./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/hard2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/hard2.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 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:57:41,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:57:41,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:57:41,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:57:41,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:57:41,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:57:41,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:57:41,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:57:41,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:57:41,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:57:41,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:57:41,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:57:41,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:57:41,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:57:41,484 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:57:41,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:57:41,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:57:41,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:57:41,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:57:41,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:57:41,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:57:41,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:57:41,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:57:41,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:57:41,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:57:41,493 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:57:41,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:57:41,494 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:57:41,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:57:41,494 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:57:41,494 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:57:41,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:57:41,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:57:41,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:57:41,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:57:41,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:57:41,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:57:41,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:57:41,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:57:41,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:57:41,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:57:41,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:57:41,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:57:41,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:57:41,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 [2024-11-10 18:57:41,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:57:41,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:57:41,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:57:41,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:57:41,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:57:41,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/hard2.c [2024-11-10 18:57:43,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:57:43,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:57:43,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard2.c [2024-11-10 18:57:43,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38776d87a/c4f4a192c506431dac7b34f4dcda12fb/FLAGc4671d784 [2024-11-10 18:57:43,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38776d87a/c4f4a192c506431dac7b34f4dcda12fb [2024-11-10 18:57:43,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:57:43,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:57:43,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:57:43,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:57:43,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:57:43,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2b6be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43, skipping insertion in model container [2024-11-10 18:57:43,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:57:43,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:57:43,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:57:43,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:57:43,769 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:57:43,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43 WrapperNode [2024-11-10 18:57:43,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:57:43,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:57:43,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:57:43,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:57:43,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,808 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-11-10 18:57:43,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:57:43,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:57:43,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:57:43,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:57:43,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,839 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-10 18:57:43,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:57:43,854 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:57:43,857 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:57:43,858 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:57:43,859 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (1/1) ... [2024-11-10 18:57:43,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:57:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:43,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:57:43,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:57:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:57:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:57:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:57:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:57:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:57:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:57:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:57:43,990 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:57:43,992 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:57:44,276 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-10 18:57:44,276 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:57:44,298 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:57:44,299 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:57:44,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:57:44 BoogieIcfgContainer [2024-11-10 18:57:44,303 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:57:44,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:57:44,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:57:44,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:57:44,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:57:43" (1/3) ... [2024-11-10 18:57:44,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600b525f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:57:44, skipping insertion in model container [2024-11-10 18:57:44,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:43" (2/3) ... [2024-11-10 18:57:44,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600b525f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:57:44, skipping insertion in model container [2024-11-10 18:57:44,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:57:44" (3/3) ... [2024-11-10 18:57:44,314 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2.c [2024-11-10 18:57:44,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:57:44,335 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-10 18:57:44,413 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:57:44,419 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;@289ba1e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:57:44,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-10 18:57:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 47 states have (on average 1.6808510638297873) internal successors, (79), 71 states have internal predecessors, (79), 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) [2024-11-10 18:57:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:57:44,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:44,430 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:57:44,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:44,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:44,436 INFO L85 PathProgramCache]: Analyzing trace with hash 103986691, now seen corresponding path program 1 times [2024-11-10 18:57:44,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:44,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143255475] [2024-11-10 18:57:44,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:57:44,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:44,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143255475] [2024-11-10 18:57:44,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143255475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:44,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:44,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:57:44,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942186940] [2024-11-10 18:57:44,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:44,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:57:44,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:44,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:57:44,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:57:44,595 INFO L87 Difference]: Start difference. First operand has 80 states, 47 states have (on average 1.6808510638297873) internal successors, (79), 71 states have internal predecessors, (79), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:57:44,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:44,620 INFO L93 Difference]: Finished difference Result 157 states and 190 transitions. [2024-11-10 18:57:44,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:57:44,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:57:44,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:44,627 INFO L225 Difference]: With dead ends: 157 [2024-11-10 18:57:44,628 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 18:57:44,631 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 [2024-11-10 18:57:44,634 INFO L432 NwaCegarLoop]: 87 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, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:44,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:57:44,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 18:57:44,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-10 18:57:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.619047619047619) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:57:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2024-11-10 18:57:44,666 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 5 [2024-11-10 18:57:44,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:44,666 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2024-11-10 18:57:44,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:57:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2024-11-10 18:57:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:57:44,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:44,668 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:44,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:57:44,668 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:44,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash 251931724, now seen corresponding path program 1 times [2024-11-10 18:57:44,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:44,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294020395] [2024-11-10 18:57:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:44,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:44,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427497318] [2024-11-10 18:57:44,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:44,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:44,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:44,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:57:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:44,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:57:44,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:57:44,908 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:44,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:44,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294020395] [2024-11-10 18:57:44,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:44,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427497318] [2024-11-10 18:57:44,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427497318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:44,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:44,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:57:44,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449510849] [2024-11-10 18:57:44,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:44,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:57:44,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:44,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:57:44,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:44,915 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:57:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:45,030 INFO L93 Difference]: Finished difference Result 153 states and 174 transitions. [2024-11-10 18:57:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:57:45,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-10 18:57:45,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:45,033 INFO L225 Difference]: With dead ends: 153 [2024-11-10 18:57:45,033 INFO L226 Difference]: Without dead ends: 99 [2024-11-10 18:57:45,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:45,035 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 19 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:45,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 106 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-10 18:57:45,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2024-11-10 18:57:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 61 states have (on average 1.540983606557377) internal successors, (94), 84 states have internal predecessors, (94), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:57:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 114 transitions. [2024-11-10 18:57:45,057 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 114 transitions. Word has length 15 [2024-11-10 18:57:45,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:45,059 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 114 transitions. [2024-11-10 18:57:45,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:57:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2024-11-10 18:57:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 18:57:45,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:45,061 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:45,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:57:45,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:45,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:45,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash -851917491, now seen corresponding path program 1 times [2024-11-10 18:57:45,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:45,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955975238] [2024-11-10 18:57:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:45,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:45,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:57:45,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:45,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955975238] [2024-11-10 18:57:45,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955975238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:45,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:45,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:57:45,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538160171] [2024-11-10 18:57:45,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:45,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:57:45,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:45,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:57:45,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:45,460 INFO L87 Difference]: Start difference. First operand 96 states and 114 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:45,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:45,530 INFO L93 Difference]: Finished difference Result 106 states and 121 transitions. [2024-11-10 18:57:45,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:57:45,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-10 18:57:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:45,532 INFO L225 Difference]: With dead ends: 106 [2024-11-10 18:57:45,533 INFO L226 Difference]: Without dead ends: 104 [2024-11-10 18:57:45,534 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 [2024-11-10 18:57:45,535 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 19 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:45,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 117 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:45,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-10 18:57:45,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96. [2024-11-10 18:57:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 84 states have internal predecessors, (92), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:57:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2024-11-10 18:57:45,555 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 23 [2024-11-10 18:57:45,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:45,556 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2024-11-10 18:57:45,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2024-11-10 18:57:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:57:45,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:45,558 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:45,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:57:45,558 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:45,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:45,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1646005985, now seen corresponding path program 1 times [2024-11-10 18:57:45,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:45,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531528056] [2024-11-10 18:57:45,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:45,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:45,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482529873] [2024-11-10 18:57:45,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:45,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:45,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:45,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:57:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:45,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:57:45,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:57:45,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:45,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:45,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531528056] [2024-11-10 18:57:45,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:45,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482529873] [2024-11-10 18:57:45,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482529873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:45,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:45,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:57:45,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748702230] [2024-11-10 18:57:45,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:45,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:57:45,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:45,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:57:45,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:45,675 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:45,771 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2024-11-10 18:57:45,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:57:45,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-10 18:57:45,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:45,774 INFO L225 Difference]: With dead ends: 136 [2024-11-10 18:57:45,774 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 18:57:45,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:45,776 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 45 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:45,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 98 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 18:57:45,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 116. [2024-11-10 18:57:45,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 102 states have internal predecessors, (118), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 18:57:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 142 transitions. [2024-11-10 18:57:45,796 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 142 transitions. Word has length 25 [2024-11-10 18:57:45,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:45,796 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 142 transitions. [2024-11-10 18:57:45,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-11-10 18:57:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:57:45,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:45,797 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:45,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:45,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 18:57:45,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:45,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:45,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1263787199, now seen corresponding path program 1 times [2024-11-10 18:57:45,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:46,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587074938] [2024-11-10 18:57:46,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:46,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:46,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245476090] [2024-11-10 18:57:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:46,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:46,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:46,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:46,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:57:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:46,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:57:46,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:57:46,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:46,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587074938] [2024-11-10 18:57:46,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245476090] [2024-11-10 18:57:46,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245476090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:46,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:46,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:57:46,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573152827] [2024-11-10 18:57:46,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:46,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:57:46,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:46,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:57:46,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:46,216 INFO L87 Difference]: Start difference. First operand 116 states and 142 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:46,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:46,282 INFO L93 Difference]: Finished difference Result 129 states and 150 transitions. [2024-11-10 18:57:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:57:46,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-10 18:57:46,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:46,286 INFO L225 Difference]: With dead ends: 129 [2024-11-10 18:57:46,286 INFO L226 Difference]: Without dead ends: 127 [2024-11-10 18:57:46,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:46,287 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 38 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:46,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 89 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-10 18:57:46,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2024-11-10 18:57:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 80 states have (on average 1.4625) internal successors, (117), 103 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 18:57:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 141 transitions. [2024-11-10 18:57:46,307 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 141 transitions. Word has length 27 [2024-11-10 18:57:46,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:46,307 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 141 transitions. [2024-11-10 18:57:46,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 141 transitions. [2024-11-10 18:57:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:57:46,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:46,313 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:46,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:46,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:46,514 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:46,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash 522697518, now seen corresponding path program 1 times [2024-11-10 18:57:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233911466] [2024-11-10 18:57:46,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:46,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:46,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:57:46,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:46,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233911466] [2024-11-10 18:57:46,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233911466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:46,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:46,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:57:46,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188690553] [2024-11-10 18:57:46,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:46,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:57:46,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:46,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:57:46,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:57:46,671 INFO L87 Difference]: Start difference. First operand 117 states and 141 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:47,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:47,105 INFO L93 Difference]: Finished difference Result 129 states and 155 transitions. [2024-11-10 18:57:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:57:47,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-10 18:57:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:47,106 INFO L225 Difference]: With dead ends: 129 [2024-11-10 18:57:47,106 INFO L226 Difference]: Without dead ends: 128 [2024-11-10 18:57:47,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:57:47,107 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 86 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:47,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 136 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:57:47,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-10 18:57:47,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2024-11-10 18:57:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 86 states have (on average 1.441860465116279) internal successors, (124), 109 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 18:57:47,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2024-11-10 18:57:47,131 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 28 [2024-11-10 18:57:47,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:47,132 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2024-11-10 18:57:47,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:57:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2024-11-10 18:57:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 18:57:47,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:47,133 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:47,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:57:47,134 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:47,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -999006786, now seen corresponding path program 1 times [2024-11-10 18:57:47,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:47,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754916704] [2024-11-10 18:57:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:47,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452018682] [2024-11-10 18:57:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:47,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:47,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:47,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:47,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:57:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:47,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:57:47,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:57:47,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:47,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:47,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754916704] [2024-11-10 18:57:47,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:47,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452018682] [2024-11-10 18:57:47,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452018682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:47,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:47,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:57:47,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762576744] [2024-11-10 18:57:47,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:47,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:57:47,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:47,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:57:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:57:47,340 INFO L87 Difference]: Start difference. First operand 123 states and 148 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:57:47,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:47,464 INFO L93 Difference]: Finished difference Result 140 states and 169 transitions. [2024-11-10 18:57:47,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:57:47,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 41 [2024-11-10 18:57:47,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:47,467 INFO L225 Difference]: With dead ends: 140 [2024-11-10 18:57:47,467 INFO L226 Difference]: Without dead ends: 131 [2024-11-10 18:57:47,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:57:47,468 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 57 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:47,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 101 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:47,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-10 18:57:47,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2024-11-10 18:57:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 95 states have (on average 1.3473684210526315) internal successors, (128), 114 states have internal predecessors, (128), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 18:57:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 156 transitions. [2024-11-10 18:57:47,495 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 156 transitions. Word has length 41 [2024-11-10 18:57:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:47,496 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 156 transitions. [2024-11-10 18:57:47,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:57:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 156 transitions. [2024-11-10 18:57:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 18:57:47,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:47,500 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:47,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:57:47,700 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 [2024-11-10 18:57:47,701 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:47,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:47,701 INFO L85 PathProgramCache]: Analyzing trace with hash -904439256, now seen corresponding path program 1 times [2024-11-10 18:57:47,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:47,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583220931] [2024-11-10 18:57:47,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:47,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:47,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1947945366] [2024-11-10 18:57:47,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:47,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:47,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:47,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:47,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:57:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:47,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:57:47,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:57:47,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:48,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:48,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583220931] [2024-11-10 18:57:48,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:48,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947945366] [2024-11-10 18:57:48,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947945366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:48,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:48,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 18:57:48,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180234443] [2024-11-10 18:57:48,369 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:48,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:57:48,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:48,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:57:48,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:57:48,370 INFO L87 Difference]: Start difference. First operand 130 states and 156 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:57:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:48,539 INFO L93 Difference]: Finished difference Result 222 states and 277 transitions. [2024-11-10 18:57:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:57:48,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 42 [2024-11-10 18:57:48,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:48,543 INFO L225 Difference]: With dead ends: 222 [2024-11-10 18:57:48,543 INFO L226 Difference]: Without dead ends: 218 [2024-11-10 18:57:48,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:57:48,545 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 72 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:48,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 114 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-10 18:57:48,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 203. [2024-11-10 18:57:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 178 states have internal predecessors, (214), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:57:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 260 transitions. [2024-11-10 18:57:48,574 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 260 transitions. Word has length 42 [2024-11-10 18:57:48,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:48,574 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 260 transitions. [2024-11-10 18:57:48,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:57:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 260 transitions. [2024-11-10 18:57:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 18:57:48,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:48,577 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] [2024-11-10 18:57:48,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:57:48,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:48,778 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:48,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:48,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1308554837, now seen corresponding path program 1 times [2024-11-10 18:57:48,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:48,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394615442] [2024-11-10 18:57:48,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:48,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:48,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:48,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:48,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 18:57:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:48,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:57:48,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:48,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394615442] [2024-11-10 18:57:48,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394615442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:48,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:48,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:57:48,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893049168] [2024-11-10 18:57:48,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:48,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:57:48,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:48,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:57:48,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:57:48,903 INFO L87 Difference]: Start difference. First operand 203 states and 260 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:57:49,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:49,018 INFO L93 Difference]: Finished difference Result 208 states and 264 transitions. [2024-11-10 18:57:49,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:57:49,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 45 [2024-11-10 18:57:49,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:49,020 INFO L225 Difference]: With dead ends: 208 [2024-11-10 18:57:49,020 INFO L226 Difference]: Without dead ends: 192 [2024-11-10 18:57:49,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:57:49,021 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 23 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:49,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 113 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:49,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-10 18:57:49,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-11-10 18:57:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 150 states have (on average 1.36) internal successors, (204), 169 states have internal predecessors, (204), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 18:57:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 246 transitions. [2024-11-10 18:57:49,035 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 246 transitions. Word has length 45 [2024-11-10 18:57:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:49,035 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 246 transitions. [2024-11-10 18:57:49,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:57:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 246 transitions. [2024-11-10 18:57:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 18:57:49,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:49,036 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] [2024-11-10 18:57:49,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 18:57:49,037 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:49,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:49,037 INFO L85 PathProgramCache]: Analyzing trace with hash 845243583, now seen corresponding path program 1 times [2024-11-10 18:57:49,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:49,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297651763] [2024-11-10 18:57:49,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:49,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:57:49,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:49,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297651763] [2024-11-10 18:57:49,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297651763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:49,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987459011] [2024-11-10 18:57:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:49,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:49,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:49,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:49,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:57:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:57:49,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:57:49,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:49,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987459011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:49,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:49,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:57:49,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572066286] [2024-11-10 18:57:49,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:49,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:57:49,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:49,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:57:49,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:57:49,206 INFO L87 Difference]: Start difference. First operand 192 states and 246 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:57:49,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:49,299 INFO L93 Difference]: Finished difference Result 291 states and 383 transitions. [2024-11-10 18:57:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:57:49,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-10 18:57:49,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:49,301 INFO L225 Difference]: With dead ends: 291 [2024-11-10 18:57:49,301 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 18:57:49,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:57:49,302 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 51 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:49,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 137 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:49,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 18:57:49,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 265. [2024-11-10 18:57:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 216 states have (on average 1.3657407407407407) internal successors, (295), 234 states have internal predecessors, (295), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 18:57:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 353 transitions. [2024-11-10 18:57:49,324 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 353 transitions. Word has length 49 [2024-11-10 18:57:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:49,325 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 353 transitions. [2024-11-10 18:57:49,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:57:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 353 transitions. [2024-11-10 18:57:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 18:57:49,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:49,326 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:49,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:57:49,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:49,527 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:49,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:49,527 INFO L85 PathProgramCache]: Analyzing trace with hash 432747328, now seen corresponding path program 1 times [2024-11-10 18:57:49,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:49,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863547685] [2024-11-10 18:57:49,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:49,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,621 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:57:49,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:49,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863547685] [2024-11-10 18:57:49,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863547685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:49,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532298480] [2024-11-10 18:57:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:49,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:49,623 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:49,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:57:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:49,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:57:49,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:57:49,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:57:49,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532298480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:57:49,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:57:49,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:57:49,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508788537] [2024-11-10 18:57:49,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:49,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:57:49,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:49,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:57:49,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:57:49,802 INFO L87 Difference]: Start difference. First operand 265 states and 353 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 18:57:49,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:49,986 INFO L93 Difference]: Finished difference Result 434 states and 574 transitions. [2024-11-10 18:57:49,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:57:49,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 50 [2024-11-10 18:57:49,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:49,989 INFO L225 Difference]: With dead ends: 434 [2024-11-10 18:57:49,989 INFO L226 Difference]: Without dead ends: 432 [2024-11-10 18:57:49,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:57:49,993 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 121 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:49,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 238 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-10 18:57:50,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 386. [2024-11-10 18:57:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 321 states have (on average 1.3613707165109035) internal successors, (437), 339 states have internal predecessors, (437), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 18:57:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 527 transitions. [2024-11-10 18:57:50,019 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 527 transitions. Word has length 50 [2024-11-10 18:57:50,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:50,020 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 527 transitions. [2024-11-10 18:57:50,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 18:57:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 527 transitions. [2024-11-10 18:57:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 18:57:50,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:50,021 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:57:50,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:50,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:50,223 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:50,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:50,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1847972214, now seen corresponding path program 2 times [2024-11-10 18:57:50,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:50,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157355875] [2024-11-10 18:57:50,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:50,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:50,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1252546900] [2024-11-10 18:57:50,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:57:50,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:50,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:50,240 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:50,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:57:50,290 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:57:50,291 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:57:50,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:57:50,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:57:50,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:50,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:50,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157355875] [2024-11-10 18:57:50,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:50,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252546900] [2024-11-10 18:57:50,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252546900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:50,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:50,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 18:57:50,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534556209] [2024-11-10 18:57:50,899 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:50,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:57:50,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:50,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:57:50,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:57:50,901 INFO L87 Difference]: Start difference. First operand 386 states and 527 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 18:57:51,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:51,079 INFO L93 Difference]: Finished difference Result 501 states and 681 transitions. [2024-11-10 18:57:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:57:51,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2024-11-10 18:57:51,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:51,083 INFO L225 Difference]: With dead ends: 501 [2024-11-10 18:57:51,083 INFO L226 Difference]: Without dead ends: 497 [2024-11-10 18:57:51,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:57:51,084 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 108 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:51,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 133 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-10 18:57:51,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 386. [2024-11-10 18:57:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 321 states have (on average 1.355140186915888) internal successors, (435), 339 states have internal predecessors, (435), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 18:57:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 525 transitions. [2024-11-10 18:57:51,106 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 525 transitions. Word has length 68 [2024-11-10 18:57:51,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:51,107 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 525 transitions. [2024-11-10 18:57:51,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 18:57:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 525 transitions. [2024-11-10 18:57:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 18:57:51,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:51,108 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:51,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:57:51,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 18:57:51,309 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:51,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2032916411, now seen corresponding path program 1 times [2024-11-10 18:57:51,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:51,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274404532] [2024-11-10 18:57:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:51,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:57:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:57:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 18:57:51,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:51,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274404532] [2024-11-10 18:57:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274404532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:51,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:51,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:57:51,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818306235] [2024-11-10 18:57:51,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:51,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:57:51,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:51,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:57:51,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:51,410 INFO L87 Difference]: Start difference. First operand 386 states and 525 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:51,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:51,465 INFO L93 Difference]: Finished difference Result 386 states and 525 transitions. [2024-11-10 18:57:51,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:57:51,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-11-10 18:57:51,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:51,469 INFO L225 Difference]: With dead ends: 386 [2024-11-10 18:57:51,469 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 18:57:51,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:57:51,470 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:51,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 107 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:57:51,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 18:57:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-11-10 18:57:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 321 states have (on average 1.3364485981308412) internal successors, (429), 338 states have internal predecessors, (429), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 18:57:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 519 transitions. [2024-11-10 18:57:51,492 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 519 transitions. Word has length 75 [2024-11-10 18:57:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:51,493 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 519 transitions. [2024-11-10 18:57:51,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 519 transitions. [2024-11-10 18:57:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 18:57:51,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:51,494 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:51,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:57:51,495 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:51,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:51,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1404100688, now seen corresponding path program 1 times [2024-11-10 18:57:51,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:51,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554519797] [2024-11-10 18:57:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:51,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:57:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:57:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:57:51,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:51,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554519797] [2024-11-10 18:57:51,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554519797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:51,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465447227] [2024-11-10 18:57:51,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:51,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:51,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:51,714 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:51,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:57:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:51,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:57:51,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:57:51,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:51,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465447227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:51,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:51,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 18:57:51,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935432819] [2024-11-10 18:57:51,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:51,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:57:51,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:51,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:57:51,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:57:51,947 INFO L87 Difference]: Start difference. First operand 385 states and 519 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 18:57:52,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:52,042 INFO L93 Difference]: Finished difference Result 412 states and 543 transitions. [2024-11-10 18:57:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:57:52,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 76 [2024-11-10 18:57:52,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:52,045 INFO L225 Difference]: With dead ends: 412 [2024-11-10 18:57:52,045 INFO L226 Difference]: Without dead ends: 411 [2024-11-10 18:57:52,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:57:52,046 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 35 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:52,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 114 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-10 18:57:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 385. [2024-11-10 18:57:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 321 states have (on average 1.3271028037383177) internal successors, (426), 338 states have internal predecessors, (426), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 18:57:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 516 transitions. [2024-11-10 18:57:52,068 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 516 transitions. Word has length 76 [2024-11-10 18:57:52,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:52,068 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 516 transitions. [2024-11-10 18:57:52,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 18:57:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions. [2024-11-10 18:57:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 18:57:52,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:52,070 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:52,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 18:57:52,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 18:57:52,271 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:52,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:52,271 INFO L85 PathProgramCache]: Analyzing trace with hash 721029838, now seen corresponding path program 1 times [2024-11-10 18:57:52,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:52,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920078184] [2024-11-10 18:57:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:52,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:57:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:57:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:57:52,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:52,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920078184] [2024-11-10 18:57:52,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920078184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:52,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076812955] [2024-11-10 18:57:52,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:52,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:52,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:52,467 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:52,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:57:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:52,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:57:52,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 18:57:52,726 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:52,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076812955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:52,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:52,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 18:57:52,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621600219] [2024-11-10 18:57:52,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:52,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:57:52,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:52,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:57:52,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:57:52,727 INFO L87 Difference]: Start difference. First operand 385 states and 516 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:52,977 INFO L93 Difference]: Finished difference Result 411 states and 544 transitions. [2024-11-10 18:57:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:57:52,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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 78 [2024-11-10 18:57:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:52,980 INFO L225 Difference]: With dead ends: 411 [2024-11-10 18:57:52,980 INFO L226 Difference]: Without dead ends: 410 [2024-11-10 18:57:52,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:57:52,981 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 77 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:52,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 136 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:57:52,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-10 18:57:53,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 397. [2024-11-10 18:57:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 333 states have (on average 1.3153153153153154) internal successors, (438), 350 states have internal predecessors, (438), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 18:57:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 528 transitions. [2024-11-10 18:57:53,010 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 528 transitions. Word has length 78 [2024-11-10 18:57:53,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:53,010 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 528 transitions. [2024-11-10 18:57:53,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 528 transitions. [2024-11-10 18:57:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 18:57:53,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:53,013 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:53,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:53,213 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,SelfDestructingSolverStorable14 [2024-11-10 18:57:53,214 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:53,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:53,214 INFO L85 PathProgramCache]: Analyzing trace with hash 877088482, now seen corresponding path program 1 times [2024-11-10 18:57:53,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:53,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170308072] [2024-11-10 18:57:53,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:57:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:57:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:57:53,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:53,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170308072] [2024-11-10 18:57:53,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170308072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:53,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377958039] [2024-11-10 18:57:53,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:53,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:53,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:53,370 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:53,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:57:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:53,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:57:53,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 18:57:53,569 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:57:53,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377958039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:53,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:53,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 18:57:53,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14437526] [2024-11-10 18:57:53,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:53,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:57:53,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:53,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:57:53,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:57:53,571 INFO L87 Difference]: Start difference. First operand 397 states and 528 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:53,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:53,757 INFO L93 Difference]: Finished difference Result 411 states and 538 transitions. [2024-11-10 18:57:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:57:53,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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 79 [2024-11-10 18:57:53,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:53,760 INFO L225 Difference]: With dead ends: 411 [2024-11-10 18:57:53,761 INFO L226 Difference]: Without dead ends: 409 [2024-11-10 18:57:53,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:57:53,762 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 63 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:53,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 124 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:57:53,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-10 18:57:53,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 400. [2024-11-10 18:57:53,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 336 states have (on average 1.2916666666666667) internal successors, (434), 353 states have internal predecessors, (434), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 18:57:53,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 524 transitions. [2024-11-10 18:57:53,788 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 524 transitions. Word has length 79 [2024-11-10 18:57:53,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:53,789 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 524 transitions. [2024-11-10 18:57:53,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 524 transitions. [2024-11-10 18:57:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 18:57:53,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:53,790 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:53,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:57:53,994 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,SelfDestructingSolverStorable15 [2024-11-10 18:57:53,995 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:53,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:53,995 INFO L85 PathProgramCache]: Analyzing trace with hash 274312359, now seen corresponding path program 1 times [2024-11-10 18:57:53,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:53,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679192727] [2024-11-10 18:57:53,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:53,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:54,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781195850] [2024-11-10 18:57:54,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:54,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:54,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:54,017 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:54,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:57:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:54,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:57:54,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 18:57:54,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:54,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:54,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679192727] [2024-11-10 18:57:54,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:54,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781195850] [2024-11-10 18:57:54,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781195850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:54,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:54,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 18:57:54,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690662829] [2024-11-10 18:57:54,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:54,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:57:54,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:54,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:57:54,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:57:54,990 INFO L87 Difference]: Start difference. First operand 400 states and 524 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:55,167 INFO L93 Difference]: Finished difference Result 506 states and 675 transitions. [2024-11-10 18:57:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:57:55,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 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 83 [2024-11-10 18:57:55,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:55,170 INFO L225 Difference]: With dead ends: 506 [2024-11-10 18:57:55,170 INFO L226 Difference]: Without dead ends: 505 [2024-11-10 18:57:55,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:57:55,171 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 103 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:55,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 103 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:57:55,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-10 18:57:55,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 475. [2024-11-10 18:57:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 405 states have (on average 1.306172839506173) internal successors, (529), 422 states have internal predecessors, (529), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 18:57:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 631 transitions. [2024-11-10 18:57:55,200 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 631 transitions. Word has length 83 [2024-11-10 18:57:55,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:55,200 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 631 transitions. [2024-11-10 18:57:55,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 631 transitions. [2024-11-10 18:57:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-10 18:57:55,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:55,201 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:55,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:55,402 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,SelfDestructingSolverStorable16 [2024-11-10 18:57:55,402 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:55,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:55,403 INFO L85 PathProgramCache]: Analyzing trace with hash -86251446, now seen corresponding path program 1 times [2024-11-10 18:57:55,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752342559] [2024-11-10 18:57:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:55,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:55,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962975396] [2024-11-10 18:57:55,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:55,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:55,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:55,424 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:55,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:57:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:55,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:57:55,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 18:57:55,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:57,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:57,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752342559] [2024-11-10 18:57:57,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:57,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962975396] [2024-11-10 18:57:57,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962975396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:57,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:57,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 18:57:57,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99465907] [2024-11-10 18:57:57,193 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:57,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:57:57,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:57,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:57:57,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:57:57,195 INFO L87 Difference]: Start difference. First operand 475 states and 631 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:57,379 INFO L93 Difference]: Finished difference Result 507 states and 666 transitions. [2024-11-10 18:57:57,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:57:57,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 84 [2024-11-10 18:57:57,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:57,383 INFO L225 Difference]: With dead ends: 507 [2024-11-10 18:57:57,383 INFO L226 Difference]: Without dead ends: 505 [2024-11-10 18:57:57,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:57:57,385 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 80 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:57,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 91 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:57:57,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-10 18:57:57,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 475. [2024-11-10 18:57:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 405 states have (on average 1.2691358024691357) internal successors, (514), 422 states have internal predecessors, (514), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 18:57:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 616 transitions. [2024-11-10 18:57:57,414 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 616 transitions. Word has length 84 [2024-11-10 18:57:57,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:57,414 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 616 transitions. [2024-11-10 18:57:57,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 616 transitions. [2024-11-10 18:57:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 18:57:57,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:57,415 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:57,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:57:57,616 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,SelfDestructingSolverStorable17 [2024-11-10 18:57:57,616 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:57,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1621172485, now seen corresponding path program 1 times [2024-11-10 18:57:57,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:57,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901591787] [2024-11-10 18:57:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:57:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:57:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 18:57:57,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:57,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901591787] [2024-11-10 18:57:57,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901591787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:57:57,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:57:57,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:57:57,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224851835] [2024-11-10 18:57:57,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:57:57,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:57:57,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:57,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:57:57,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:57:57,734 INFO L87 Difference]: Start difference. First operand 475 states and 616 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:58,191 INFO L93 Difference]: Finished difference Result 478 states and 617 transitions. [2024-11-10 18:57:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:57:58,192 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), 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 85 [2024-11-10 18:57:58,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:58,194 INFO L225 Difference]: With dead ends: 478 [2024-11-10 18:57:58,194 INFO L226 Difference]: Without dead ends: 477 [2024-11-10 18:57:58,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:57:58,195 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:58,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 142 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:57:58,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-10 18:57:58,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 474. [2024-11-10 18:57:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 405 states have (on average 1.2320987654320987) internal successors, (499), 421 states have internal predecessors, (499), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 18:57:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 601 transitions. [2024-11-10 18:57:58,225 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 601 transitions. Word has length 85 [2024-11-10 18:57:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:58,226 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 601 transitions. [2024-11-10 18:57:58,226 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:57:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 601 transitions. [2024-11-10 18:57:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 18:57:58,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:58,227 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:57:58,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 18:57:58,227 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:57:58,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:58,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1283260504, now seen corresponding path program 1 times [2024-11-10 18:57:58,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:58,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799879340] [2024-11-10 18:57:58,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:58,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:57:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:57:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:57:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:57:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:57:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:57:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:57:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:57:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:57:58,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:58,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799879340] [2024-11-10 18:57:58,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799879340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:58,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697580051] [2024-11-10 18:57:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:58,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:58,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:58,412 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:58,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 18:57:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:58,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 18:57:58,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:57:58,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:00,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697580051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:00,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:58:00,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-10 18:58:00,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39872585] [2024-11-10 18:58:00,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:00,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 18:58:00,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:00,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 18:58:00,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:58:00,083 INFO L87 Difference]: Start difference. First operand 474 states and 601 transitions. Second operand has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 18:58:01,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:01,742 INFO L93 Difference]: Finished difference Result 796 states and 1022 transitions. [2024-11-10 18:58:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 18:58:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 86 [2024-11-10 18:58:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:01,747 INFO L225 Difference]: With dead ends: 796 [2024-11-10 18:58:01,747 INFO L226 Difference]: Without dead ends: 787 [2024-11-10 18:58:01,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=385, Invalid=1507, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 18:58:01,750 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 498 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:01,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 416 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 18:58:01,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-10 18:58:01,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 639. [2024-11-10 18:58:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 554 states have (on average 1.2238267148014441) internal successors, (678), 570 states have internal predecessors, (678), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 18:58:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 812 transitions. [2024-11-10 18:58:01,795 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 812 transitions. Word has length 86 [2024-11-10 18:58:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:01,795 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 812 transitions. [2024-11-10 18:58:01,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 18:58:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 812 transitions. [2024-11-10 18:58:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 18:58:01,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:01,796 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-10 18:58:01,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 18:58:02,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:02,001 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:02,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:02,002 INFO L85 PathProgramCache]: Analyzing trace with hash 573612868, now seen corresponding path program 3 times [2024-11-10 18:58:02,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:02,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866895088] [2024-11-10 18:58:02,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:02,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:02,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515597420] [2024-11-10 18:58:02,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:58:02,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:02,017 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:02,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 18:58:02,062 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:58:02,062 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:02,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:58:02,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-10 18:58:02,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:58:02,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:02,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866895088] [2024-11-10 18:58:02,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:02,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515597420] [2024-11-10 18:58:02,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515597420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:02,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:02,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:58:02,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185439956] [2024-11-10 18:58:02,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:02,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:58:02,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:02,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:58:02,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:58:02,172 INFO L87 Difference]: Start difference. First operand 639 states and 812 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:58:02,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:02,261 INFO L93 Difference]: Finished difference Result 640 states and 812 transitions. [2024-11-10 18:58:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:58:02,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 94 [2024-11-10 18:58:02,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:02,265 INFO L225 Difference]: With dead ends: 640 [2024-11-10 18:58:02,265 INFO L226 Difference]: Without dead ends: 637 [2024-11-10 18:58:02,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:58:02,266 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 85 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:02,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 103 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:58:02,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-10 18:58:02,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 510. [2024-11-10 18:58:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 440 states have (on average 1.2022727272727274) internal successors, (529), 453 states have internal predecessors, (529), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 18:58:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 639 transitions. [2024-11-10 18:58:02,300 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 639 transitions. Word has length 94 [2024-11-10 18:58:02,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:02,301 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 639 transitions. [2024-11-10 18:58:02,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 18:58:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 639 transitions. [2024-11-10 18:58:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 18:58:02,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:02,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:02,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 18:58:02,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:02,503 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:02,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:02,504 INFO L85 PathProgramCache]: Analyzing trace with hash 200112750, now seen corresponding path program 1 times [2024-11-10 18:58:02,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:02,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996836806] [2024-11-10 18:58:02,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:02,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:02,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1513786445] [2024-11-10 18:58:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:02,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:02,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:02,525 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:02,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 18:58:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:02,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 18:58:02,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-10 18:58:02,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:03,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996836806] [2024-11-10 18:58:03,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513786445] [2024-11-10 18:58:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513786445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:03,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:58:03,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 18:58:03,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243097912] [2024-11-10 18:58:03,434 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:03,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:58:03,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:58:03,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-10 18:58:03,436 INFO L87 Difference]: Start difference. First operand 510 states and 639 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 18:58:03,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:03,842 INFO L93 Difference]: Finished difference Result 534 states and 654 transitions. [2024-11-10 18:58:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:58:03,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 100 [2024-11-10 18:58:03,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:03,845 INFO L225 Difference]: With dead ends: 534 [2024-11-10 18:58:03,846 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 18:58:03,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:58:03,847 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 15 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:03,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 226 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:58:03,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 18:58:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 383. [2024-11-10 18:58:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 325 states have (on average 1.1815384615384616) internal successors, (384), 338 states have internal predecessors, (384), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 18:58:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2024-11-10 18:58:03,873 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 100 [2024-11-10 18:58:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:03,874 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2024-11-10 18:58:03,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 18:58:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2024-11-10 18:58:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 18:58:03,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:03,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:03,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 18:58:04,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 18:58:04,076 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:04,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:04,076 INFO L85 PathProgramCache]: Analyzing trace with hash -965176244, now seen corresponding path program 1 times [2024-11-10 18:58:04,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:04,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442598254] [2024-11-10 18:58:04,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:58:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 18:58:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 18:58:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-10 18:58:04,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:04,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442598254] [2024-11-10 18:58:04,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442598254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:04,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:04,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:58:04,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110716387] [2024-11-10 18:58:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:04,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:58:04,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:04,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:58:04,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:58:04,199 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:58:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:04,706 INFO L93 Difference]: Finished difference Result 386 states and 471 transitions. [2024-11-10 18:58:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:58:04,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 102 [2024-11-10 18:58:04,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:04,708 INFO L225 Difference]: With dead ends: 386 [2024-11-10 18:58:04,708 INFO L226 Difference]: Without dead ends: 347 [2024-11-10 18:58:04,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:58:04,709 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 33 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:04,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 201 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:58:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-10 18:58:04,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 343. [2024-11-10 18:58:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 290 states have (on average 1.196551724137931) internal successors, (347), 302 states have internal predecessors, (347), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-10 18:58:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 425 transitions. [2024-11-10 18:58:04,735 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 425 transitions. Word has length 102 [2024-11-10 18:58:04,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:04,735 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 425 transitions. [2024-11-10 18:58:04,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:58:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 425 transitions. [2024-11-10 18:58:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 18:58:04,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:04,737 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1] [2024-11-10 18:58:04,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 18:58:04,737 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:04,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:04,737 INFO L85 PathProgramCache]: Analyzing trace with hash -209803712, now seen corresponding path program 1 times [2024-11-10 18:58:04,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:04,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895988008] [2024-11-10 18:58:04,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:04,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 18:58:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:58:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 18:58:04,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:04,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895988008] [2024-11-10 18:58:04,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895988008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:04,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810314043] [2024-11-10 18:58:04,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:04,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:04,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:04,861 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:04,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 18:58:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:04,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:58:04,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 18:58:04,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 18:58:05,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810314043] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:05,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:58:05,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 18:58:05,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733917576] [2024-11-10 18:58:05,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:05,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 18:58:05,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 18:58:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:58:05,107 INFO L87 Difference]: Start difference. First operand 343 states and 425 transitions. Second operand has 11 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 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) [2024-11-10 18:58:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:05,395 INFO L93 Difference]: Finished difference Result 882 states and 1081 transitions. [2024-11-10 18:58:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:58:05,396 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 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 105 [2024-11-10 18:58:05,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:05,414 INFO L225 Difference]: With dead ends: 882 [2024-11-10 18:58:05,415 INFO L226 Difference]: Without dead ends: 881 [2024-11-10 18:58:05,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:58:05,416 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 357 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:05,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 361 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:58:05,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-10 18:58:05,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 402. [2024-11-10 18:58:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 337 states have (on average 1.1928783382789319) internal successors, (402), 349 states have internal predecessors, (402), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 18:58:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 504 transitions. [2024-11-10 18:58:05,471 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 504 transitions. Word has length 105 [2024-11-10 18:58:05,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:05,472 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 504 transitions. [2024-11-10 18:58:05,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 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) [2024-11-10 18:58:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 504 transitions. [2024-11-10 18:58:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 18:58:05,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:05,474 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 18:58:05,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 18:58:05,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:05,674 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:05,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:05,675 INFO L85 PathProgramCache]: Analyzing trace with hash -772392458, now seen corresponding path program 2 times [2024-11-10 18:58:05,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:05,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569091262] [2024-11-10 18:58:05,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:05,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:05,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836871172] [2024-11-10 18:58:05,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:58:05,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:05,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:05,696 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:05,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 18:58:05,758 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:58:05,758 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:05,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 18:58:05,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:58:06,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:07,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:07,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569091262] [2024-11-10 18:58:07,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:07,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836871172] [2024-11-10 18:58:07,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836871172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:07,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:58:07,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 18:58:07,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673710854] [2024-11-10 18:58:07,235 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:07,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:58:07,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:07,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:58:07,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-10 18:58:07,236 INFO L87 Difference]: Start difference. First operand 402 states and 504 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-10 18:58:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:07,773 INFO L93 Difference]: Finished difference Result 479 states and 597 transitions. [2024-11-10 18:58:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:58:07,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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 112 [2024-11-10 18:58:07,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:07,776 INFO L225 Difference]: With dead ends: 479 [2024-11-10 18:58:07,776 INFO L226 Difference]: Without dead ends: 478 [2024-11-10 18:58:07,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-10 18:58:07,777 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 36 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:07,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 348 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:58:07,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-10 18:58:07,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 432. [2024-11-10 18:58:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 365 states have (on average 1.180821917808219) internal successors, (431), 377 states have internal predecessors, (431), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-10 18:58:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 537 transitions. [2024-11-10 18:58:07,813 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 537 transitions. Word has length 112 [2024-11-10 18:58:07,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:07,814 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 537 transitions. [2024-11-10 18:58:07,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-10 18:58:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 537 transitions. [2024-11-10 18:58:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 18:58:07,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:07,816 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2024-11-10 18:58:07,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 18:58:08,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:08,020 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:08,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash 360479399, now seen corresponding path program 1 times [2024-11-10 18:58:08,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:08,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897887112] [2024-11-10 18:58:08,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:08,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:58:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 18:58:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 18:58:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:08,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:08,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897887112] [2024-11-10 18:58:08,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897887112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:08,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357309199] [2024-11-10 18:58:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:08,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:08,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:08,175 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:08,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 18:58:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:58:08,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-11-10 18:58:08,398 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:58:08,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357309199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:08,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:58:08,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 18:58:08,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950197192] [2024-11-10 18:58:08,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:08,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:58:08,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:08,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:58:08,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:58:08,400 INFO L87 Difference]: Start difference. First operand 432 states and 537 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:08,459 INFO L93 Difference]: Finished difference Result 437 states and 539 transitions. [2024-11-10 18:58:08,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:58:08,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 123 [2024-11-10 18:58:08,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:08,461 INFO L225 Difference]: With dead ends: 437 [2024-11-10 18:58:08,462 INFO L226 Difference]: Without dead ends: 432 [2024-11-10 18:58:08,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:58:08,463 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:08,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 78 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:58:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-10 18:58:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2024-11-10 18:58:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 363 states have (on average 1.1707988980716253) internal successors, (425), 375 states have internal predecessors, (425), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-10 18:58:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 531 transitions. [2024-11-10 18:58:08,504 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 531 transitions. Word has length 123 [2024-11-10 18:58:08,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:08,504 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 531 transitions. [2024-11-10 18:58:08,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 531 transitions. [2024-11-10 18:58:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 18:58:08,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:08,506 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1] [2024-11-10 18:58:08,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 18:58:08,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:08,707 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:08,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:08,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2081264700, now seen corresponding path program 2 times [2024-11-10 18:58:08,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:08,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704330075] [2024-11-10 18:58:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:08,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:58:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 18:58:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:58:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:08,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:08,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704330075] [2024-11-10 18:58:08,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704330075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:08,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883174130] [2024-11-10 18:58:08,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:58:08,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:08,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:08,866 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:08,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 18:58:08,925 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:58:08,926 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:08,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:58:08,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:09,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:09,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883174130] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:09,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:58:09,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-10 18:58:09,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215628135] [2024-11-10 18:58:09,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:09,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:58:09,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:58:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:58:09,143 INFO L87 Difference]: Start difference. First operand 430 states and 531 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 18:58:09,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:09,264 INFO L93 Difference]: Finished difference Result 439 states and 537 transitions. [2024-11-10 18:58:09,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:58:09,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 126 [2024-11-10 18:58:09,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:09,266 INFO L225 Difference]: With dead ends: 439 [2024-11-10 18:58:09,266 INFO L226 Difference]: Without dead ends: 432 [2024-11-10 18:58:09,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 274 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:58:09,267 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 40 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:09,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 216 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:58:09,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-10 18:58:09,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2024-11-10 18:58:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 363 states have (on average 1.165289256198347) internal successors, (423), 375 states have internal predecessors, (423), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-10 18:58:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 529 transitions. [2024-11-10 18:58:09,301 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 529 transitions. Word has length 126 [2024-11-10 18:58:09,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:09,301 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 529 transitions. [2024-11-10 18:58:09,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 18:58:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 529 transitions. [2024-11-10 18:58:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 18:58:09,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:09,303 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 18:58:09,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:09,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 18:58:09,503 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:09,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:09,504 INFO L85 PathProgramCache]: Analyzing trace with hash -326598998, now seen corresponding path program 2 times [2024-11-10 18:58:09,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:09,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226704212] [2024-11-10 18:58:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 18:58:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:58:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 18:58:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 18:58:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 18:58:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-10 18:58:09,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:09,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226704212] [2024-11-10 18:58:09,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226704212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:09,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471180266] [2024-11-10 18:58:09,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:58:09,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:09,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:09,627 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:09,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 18:58:09,698 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:58:09,698 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:09,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:58:09,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-10 18:58:09,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:09,930 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-10 18:58:09,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471180266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:09,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:58:09,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-10 18:58:09,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734089011] [2024-11-10 18:58:09,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:09,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 18:58:09,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:09,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 18:58:09,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:58:09,932 INFO L87 Difference]: Start difference. First operand 430 states and 529 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-11-10 18:58:10,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:10,236 INFO L93 Difference]: Finished difference Result 1314 states and 1634 transitions. [2024-11-10 18:58:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:58:10,237 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) Word has length 128 [2024-11-10 18:58:10,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:10,242 INFO L225 Difference]: With dead ends: 1314 [2024-11-10 18:58:10,242 INFO L226 Difference]: Without dead ends: 1312 [2024-11-10 18:58:10,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:58:10,243 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 447 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:10,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 454 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:58:10,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2024-11-10 18:58:10,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 455. [2024-11-10 18:58:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 382 states have (on average 1.1544502617801047) internal successors, (441), 394 states have internal predecessors, (441), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 18:58:10,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 559 transitions. [2024-11-10 18:58:10,291 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 559 transitions. Word has length 128 [2024-11-10 18:58:10,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:10,292 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 559 transitions. [2024-11-10 18:58:10,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-11-10 18:58:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 559 transitions. [2024-11-10 18:58:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 18:58:10,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:10,293 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:10,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-10 18:58:10,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 18:58:10,494 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:10,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:10,495 INFO L85 PathProgramCache]: Analyzing trace with hash -881723920, now seen corresponding path program 1 times [2024-11-10 18:58:10,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:10,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829819422] [2024-11-10 18:58:10,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:10,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:58:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 18:58:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 18:58:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:10,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:10,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829819422] [2024-11-10 18:58:10,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829819422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:10,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694766388] [2024-11-10 18:58:10,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:10,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:10,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:10,719 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:10,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 18:58:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:10,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:58:10,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 26 proven. 22 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:11,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:11,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694766388] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:11,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:58:11,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 19 [2024-11-10 18:58:11,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500618714] [2024-11-10 18:58:11,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:11,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 18:58:11,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:11,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 18:58:11,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:58:11,355 INFO L87 Difference]: Start difference. First operand 455 states and 559 transitions. Second operand has 20 states, 19 states have (on average 10.0) internal successors, (190), 20 states have internal predecessors, (190), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 18:58:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:11,916 INFO L93 Difference]: Finished difference Result 718 states and 889 transitions. [2024-11-10 18:58:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 18:58:11,917 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.0) internal successors, (190), 20 states have internal predecessors, (190), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 128 [2024-11-10 18:58:11,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:11,920 INFO L225 Difference]: With dead ends: 718 [2024-11-10 18:58:11,920 INFO L226 Difference]: Without dead ends: 610 [2024-11-10 18:58:11,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=347, Invalid=913, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 18:58:11,922 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 352 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:11,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 558 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:58:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-10 18:58:11,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 469. [2024-11-10 18:58:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 392 states have (on average 1.1607142857142858) internal successors, (455), 404 states have internal predecessors, (455), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-10 18:58:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 581 transitions. [2024-11-10 18:58:11,964 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 581 transitions. Word has length 128 [2024-11-10 18:58:11,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:11,965 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 581 transitions. [2024-11-10 18:58:11,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.0) internal successors, (190), 20 states have internal predecessors, (190), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 18:58:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 581 transitions. [2024-11-10 18:58:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-10 18:58:11,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:11,966 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:11,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:12,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 18:58:12,171 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:12,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash -938048568, now seen corresponding path program 1 times [2024-11-10 18:58:12,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:12,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181831989] [2024-11-10 18:58:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:12,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:58:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 18:58:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:58:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,401 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-10 18:58:12,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:12,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181831989] [2024-11-10 18:58:12,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181831989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:12,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619191478] [2024-11-10 18:58:12,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:12,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:12,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:12,404 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:12,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 18:58:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:12,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:58:12,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 22 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:12,710 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:15,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619191478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:15,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:58:15,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-10 18:58:15,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347626669] [2024-11-10 18:58:15,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:15,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 18:58:15,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:15,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 18:58:15,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-10 18:58:15,704 INFO L87 Difference]: Start difference. First operand 469 states and 581 transitions. Second operand has 21 states, 20 states have (on average 10.3) internal successors, (206), 21 states have internal predecessors, (206), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-10 18:58:16,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:16,065 INFO L93 Difference]: Finished difference Result 633 states and 793 transitions. [2024-11-10 18:58:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:58:16,065 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.3) internal successors, (206), 21 states have internal predecessors, (206), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 136 [2024-11-10 18:58:16,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:16,067 INFO L225 Difference]: With dead ends: 633 [2024-11-10 18:58:16,067 INFO L226 Difference]: Without dead ends: 632 [2024-11-10 18:58:16,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:58:16,068 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 401 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:16,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 405 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:58:16,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-10 18:58:16,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 468. [2024-11-10 18:58:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 392 states have (on average 1.155612244897959) internal successors, (453), 403 states have internal predecessors, (453), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-10 18:58:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 579 transitions. [2024-11-10 18:58:16,117 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 579 transitions. Word has length 136 [2024-11-10 18:58:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:16,118 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 579 transitions. [2024-11-10 18:58:16,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.3) internal successors, (206), 21 states have internal predecessors, (206), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-10 18:58:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 579 transitions. [2024-11-10 18:58:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-10 18:58:16,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:16,119 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:16,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 18:58:16,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:16,320 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:16,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:16,320 INFO L85 PathProgramCache]: Analyzing trace with hash 985265448, now seen corresponding path program 1 times [2024-11-10 18:58:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:16,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324805411] [2024-11-10 18:58:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:58:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 18:58:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:58:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:16,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:16,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324805411] [2024-11-10 18:58:16,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324805411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:16,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548463612] [2024-11-10 18:58:16,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:16,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:16,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:16,604 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:16,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 18:58:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:16,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:58:16,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:16,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:18,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548463612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:18,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:58:18,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 22 [2024-11-10 18:58:18,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752808861] [2024-11-10 18:58:18,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:18,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:58:18,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:18,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:58:18,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=326, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:58:18,338 INFO L87 Difference]: Start difference. First operand 468 states and 579 transitions. Second operand has 23 states, 22 states have (on average 9.863636363636363) internal successors, (217), 23 states have internal predecessors, (217), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 18:58:19,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:19,377 INFO L93 Difference]: Finished difference Result 812 states and 992 transitions. [2024-11-10 18:58:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 18:58:19,377 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.863636363636363) internal successors, (217), 23 states have internal predecessors, (217), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 137 [2024-11-10 18:58:19,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:19,380 INFO L225 Difference]: With dead ends: 812 [2024-11-10 18:58:19,380 INFO L226 Difference]: Without dead ends: 811 [2024-11-10 18:58:19,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=443, Invalid=747, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:58:19,380 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 403 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:19,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 682 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:58:19,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-10 18:58:19,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 665. [2024-11-10 18:58:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 569 states have (on average 1.1599297012302285) internal successors, (660), 580 states have internal predecessors, (660), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-10 18:58:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 826 transitions. [2024-11-10 18:58:19,450 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 826 transitions. Word has length 137 [2024-11-10 18:58:19,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:19,450 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 826 transitions. [2024-11-10 18:58:19,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.863636363636363) internal successors, (217), 23 states have internal predecessors, (217), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 18:58:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 826 transitions. [2024-11-10 18:58:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-10 18:58:19,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:19,453 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:19,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 18:58:19,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:19,654 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:19,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:19,655 INFO L85 PathProgramCache]: Analyzing trace with hash -886567228, now seen corresponding path program 3 times [2024-11-10 18:58:19,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:19,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601358474] [2024-11-10 18:58:19,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:19,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:19,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469445591] [2024-11-10 18:58:19,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:58:19,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:19,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:19,677 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:19,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 18:58:19,725 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:58:19,726 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:19,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 18:58:19,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-10 18:58:20,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:48,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:48,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601358474] [2024-11-10 18:58:48,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:48,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469445591] [2024-11-10 18:58:48,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469445591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:48,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:58:48,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 18:58:48,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208995549] [2024-11-10 18:58:48,204 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:48,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 18:58:48,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:48,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 18:58:48,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=229, Unknown=2, NotChecked=0, Total=306 [2024-11-10 18:58:48,205 INFO L87 Difference]: Start difference. First operand 665 states and 826 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:48,704 INFO L93 Difference]: Finished difference Result 682 states and 841 transitions. [2024-11-10 18:58:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:58:48,705 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 138 [2024-11-10 18:58:48,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:48,707 INFO L225 Difference]: With dead ends: 682 [2024-11-10 18:58:48,707 INFO L226 Difference]: Without dead ends: 681 [2024-11-10 18:58:48,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 26.9s TimeCoverageRelationStatistics Valid=134, Invalid=370, Unknown=2, NotChecked=0, Total=506 [2024-11-10 18:58:48,708 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 103 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:48,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 130 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:58:48,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-10 18:58:48,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 665. [2024-11-10 18:58:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 569 states have (on average 1.149384885764499) internal successors, (654), 580 states have internal predecessors, (654), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-10 18:58:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 820 transitions. [2024-11-10 18:58:48,788 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 820 transitions. Word has length 138 [2024-11-10 18:58:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:48,788 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 820 transitions. [2024-11-10 18:58:48,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 820 transitions. [2024-11-10 18:58:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 18:58:48,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:48,790 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-10 18:58:48,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:48,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-10 18:58:48,990 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:48,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:48,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1260142611, now seen corresponding path program 2 times [2024-11-10 18:58:48,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:48,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200394827] [2024-11-10 18:58:48,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:48,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:49,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137933086] [2024-11-10 18:58:49,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:58:49,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:49,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:49,020 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:49,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 18:58:49,065 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:58:49,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:49,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:58:49,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 18:58:49,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:58:49,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:49,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200394827] [2024-11-10 18:58:49,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:49,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137933086] [2024-11-10 18:58:49,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137933086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:49,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:49,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:58:49,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895371992] [2024-11-10 18:58:49,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:49,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:58:49,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:49,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:58:49,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:58:49,200 INFO L87 Difference]: Start difference. First operand 665 states and 820 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:49,379 INFO L93 Difference]: Finished difference Result 665 states and 820 transitions. [2024-11-10 18:58:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:58:49,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 141 [2024-11-10 18:58:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:49,382 INFO L225 Difference]: With dead ends: 665 [2024-11-10 18:58:49,382 INFO L226 Difference]: Without dead ends: 664 [2024-11-10 18:58:49,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:58:49,383 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 66 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:49,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 81 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:58:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-10 18:58:49,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2024-11-10 18:58:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 569 states have (on average 1.1370826010544814) internal successors, (647), 579 states have internal predecessors, (647), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-10 18:58:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 813 transitions. [2024-11-10 18:58:49,442 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 813 transitions. Word has length 141 [2024-11-10 18:58:49,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:49,443 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 813 transitions. [2024-11-10 18:58:49,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 813 transitions. [2024-11-10 18:58:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 18:58:49,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:49,444 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-10 18:58:49,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:49,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-10 18:58:49,649 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:49,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:49,649 INFO L85 PathProgramCache]: Analyzing trace with hash -409715260, now seen corresponding path program 2 times [2024-11-10 18:58:49,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:49,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671735811] [2024-11-10 18:58:49,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:49,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:49,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262546160] [2024-11-10 18:58:49,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:58:49,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:49,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:49,673 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:49,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 18:58:49,716 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:58:49,717 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:49,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:58:49,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-10 18:58:49,853 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:58:49,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:49,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671735811] [2024-11-10 18:58:49,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:49,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262546160] [2024-11-10 18:58:49,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262546160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:49,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:49,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:58:49,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606107534] [2024-11-10 18:58:49,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:49,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:58:49,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:58:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:58:49,855 INFO L87 Difference]: Start difference. First operand 664 states and 813 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:50,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:50,017 INFO L93 Difference]: Finished difference Result 664 states and 813 transitions. [2024-11-10 18:58:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:58:50,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 142 [2024-11-10 18:58:50,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:50,019 INFO L225 Difference]: With dead ends: 664 [2024-11-10 18:58:50,020 INFO L226 Difference]: Without dead ends: 663 [2024-11-10 18:58:50,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:58:50,020 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 75 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:50,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 72 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:58:50,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-10 18:58:50,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 627. [2024-11-10 18:58:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 537 states have (on average 1.1191806331471137) internal successors, (601), 546 states have internal predecessors, (601), 79 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-10 18:58:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 759 transitions. [2024-11-10 18:58:50,092 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 759 transitions. Word has length 142 [2024-11-10 18:58:50,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:50,093 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 759 transitions. [2024-11-10 18:58:50,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:58:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 759 transitions. [2024-11-10 18:58:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 18:58:50,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:50,095 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-10 18:58:50,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:50,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:50,296 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:50,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:50,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1400626850, now seen corresponding path program 4 times [2024-11-10 18:58:50,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389430160] [2024-11-10 18:58:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:58:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 18:58:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:58:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:58:50,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:50,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389430160] [2024-11-10 18:58:50,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389430160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:50,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948663380] [2024-11-10 18:58:50,700 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:58:50,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:50,702 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:50,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 18:58:50,771 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:58:50,771 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:50,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 18:58:50,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 36 proven. 66 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-10 18:58:51,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:52,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948663380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:52,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:58:52,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2024-11-10 18:58:52,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035484033] [2024-11-10 18:58:52,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:52,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:58:52,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:52,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:58:52,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-11-10 18:58:52,140 INFO L87 Difference]: Start difference. First operand 627 states and 759 transitions. Second operand has 23 states, 22 states have (on average 7.409090909090909) internal successors, (163), 23 states have internal predecessors, (163), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 18:58:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:53,272 INFO L93 Difference]: Finished difference Result 773 states and 936 transitions. [2024-11-10 18:58:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:58:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.409090909090909) internal successors, (163), 23 states have internal predecessors, (163), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 144 [2024-11-10 18:58:53,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:53,274 INFO L225 Difference]: With dead ends: 773 [2024-11-10 18:58:53,274 INFO L226 Difference]: Without dead ends: 765 [2024-11-10 18:58:53,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=238, Invalid=1402, Unknown=0, NotChecked=0, Total=1640 [2024-11-10 18:58:53,275 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 319 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:53,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 604 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 18:58:53,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-10 18:58:53,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 736. [2024-11-10 18:58:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 636 states have (on average 1.121069182389937) internal successors, (713), 645 states have internal predecessors, (713), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 18:58:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 891 transitions. [2024-11-10 18:58:53,344 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 891 transitions. Word has length 144 [2024-11-10 18:58:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:53,344 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 891 transitions. [2024-11-10 18:58:53,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.409090909090909) internal successors, (163), 23 states have internal predecessors, (163), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 18:58:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 891 transitions. [2024-11-10 18:58:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 18:58:53,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:53,346 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, 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] [2024-11-10 18:58:53,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:53,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:53,546 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:53,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash -936118002, now seen corresponding path program 1 times [2024-11-10 18:58:53,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:53,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853515957] [2024-11-10 18:58:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:53,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747804496] [2024-11-10 18:58:53,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:53,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:53,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:53,565 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:53,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 18:58:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:53,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 18:58:53,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-10 18:58:54,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:54,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853515957] [2024-11-10 18:58:54,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747804496] [2024-11-10 18:58:54,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747804496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:54,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:58:54,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 18:58:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871824795] [2024-11-10 18:58:54,575 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:54,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:58:54,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:54,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:58:54,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:58:54,577 INFO L87 Difference]: Start difference. First operand 736 states and 891 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 18:58:55,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:55,069 INFO L93 Difference]: Finished difference Result 740 states and 894 transitions. [2024-11-10 18:58:55,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:58:55,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 152 [2024-11-10 18:58:55,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:55,071 INFO L225 Difference]: With dead ends: 740 [2024-11-10 18:58:55,072 INFO L226 Difference]: Without dead ends: 738 [2024-11-10 18:58:55,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:58:55,072 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 12 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:55,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 354 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:58:55,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-10 18:58:55,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 736. [2024-11-10 18:58:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 636 states have (on average 1.119496855345912) internal successors, (712), 645 states have internal predecessors, (712), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 18:58:55,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 890 transitions. [2024-11-10 18:58:55,140 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 890 transitions. Word has length 152 [2024-11-10 18:58:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:55,141 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 890 transitions. [2024-11-10 18:58:55,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 18:58:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 890 transitions. [2024-11-10 18:58:55,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 18:58:55,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:55,142 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, 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] [2024-11-10 18:58:55,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-10 18:58:55,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:55,343 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:55,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:55,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1615829992, now seen corresponding path program 3 times [2024-11-10 18:58:55,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:55,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202304945] [2024-11-10 18:58:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:55,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652199391] [2024-11-10 18:58:55,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:58:55,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:55,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:55,366 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:55,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 18:58:55,421 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 18:58:55,421 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:55,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:58:55,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 64 proven. 2 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-11-10 18:58:55,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:55,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:55,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202304945] [2024-11-10 18:58:55,902 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:55,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652199391] [2024-11-10 18:58:55,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652199391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:55,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:58:55,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 18:58:55,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641829983] [2024-11-10 18:58:55,902 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:55,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:58:55,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:55,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:58:55,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-10 18:58:55,903 INFO L87 Difference]: Start difference. First operand 736 states and 890 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:58:56,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:56,150 INFO L93 Difference]: Finished difference Result 738 states and 892 transitions. [2024-11-10 18:58:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:58:56,151 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 158 [2024-11-10 18:58:56,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:56,153 INFO L225 Difference]: With dead ends: 738 [2024-11-10 18:58:56,153 INFO L226 Difference]: Without dead ends: 736 [2024-11-10 18:58:56,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:58:56,154 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 100 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:56,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 110 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:58:56,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-10 18:58:56,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 734. [2024-11-10 18:58:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 635 states have (on average 1.1165354330708661) internal successors, (709), 643 states have internal predecessors, (709), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 18:58:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 887 transitions. [2024-11-10 18:58:56,217 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 887 transitions. Word has length 158 [2024-11-10 18:58:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:56,217 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 887 transitions. [2024-11-10 18:58:56,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:58:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 887 transitions. [2024-11-10 18:58:56,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-10 18:58:56,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:56,218 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2024-11-10 18:58:56,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:56,419 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,SelfDestructingSolverStorable36 [2024-11-10 18:58:56,419 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:56,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:56,419 INFO L85 PathProgramCache]: Analyzing trace with hash 871824240, now seen corresponding path program 5 times [2024-11-10 18:58:56,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:56,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537279471] [2024-11-10 18:58:56,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:56,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:56,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490637225] [2024-11-10 18:58:56,448 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:58:56,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:56,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:56,450 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:56,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 18:58:56,526 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-10 18:58:56,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:58:56,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-10 18:58:56,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 132 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-10 18:58:57,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:58,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:58,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537279471] [2024-11-10 18:58:58,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:58,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490637225] [2024-11-10 18:58:58,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490637225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:58,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:58:58,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2024-11-10 18:58:58,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96492957] [2024-11-10 18:58:58,321 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:58,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 18:58:58,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:58,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 18:58:58,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2024-11-10 18:58:58,322 INFO L87 Difference]: Start difference. First operand 734 states and 887 transitions. Second operand has 21 states, 20 states have (on average 4.8) internal successors, (96), 21 states have internal predecessors, (96), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 18:58:59,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:59,515 INFO L93 Difference]: Finished difference Result 852 states and 1025 transitions. [2024-11-10 18:58:59,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:58:59,515 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.8) internal successors, (96), 21 states have internal predecessors, (96), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 170 [2024-11-10 18:58:59,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:59,517 INFO L225 Difference]: With dead ends: 852 [2024-11-10 18:58:59,518 INFO L226 Difference]: Without dead ends: 850 [2024-11-10 18:58:59,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:58:59,518 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 73 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 2514 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:59,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 722 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2514 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 18:58:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-10 18:58:59,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 770. [2024-11-10 18:58:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 669 states have (on average 1.1121076233183858) internal successors, (744), 677 states have internal predecessors, (744), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-10 18:58:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 926 transitions. [2024-11-10 18:58:59,579 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 926 transitions. Word has length 170 [2024-11-10 18:58:59,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:59,579 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 926 transitions. [2024-11-10 18:58:59,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.8) internal successors, (96), 21 states have internal predecessors, (96), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 18:58:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 926 transitions. [2024-11-10 18:58:59,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 18:58:59,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:59,581 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:59,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-10 18:58:59,785 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,SelfDestructingSolverStorable37 [2024-11-10 18:58:59,785 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:58:59,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1071979413, now seen corresponding path program 1 times [2024-11-10 18:58:59,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:59,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106447029] [2024-11-10 18:58:59,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:59,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:58:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:58:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:58:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:58:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:58:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:58:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:58:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:58:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:58:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:58:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:58:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 18:58:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:58:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 18:58:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 18:58:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 18:58:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 18:58:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-10 18:58:59,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:59,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106447029] [2024-11-10 18:58:59,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106447029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:58:59,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297380741] [2024-11-10 18:58:59,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:59,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:59,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:59,924 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:58:59,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 18:58:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:59,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:58:59,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 30 proven. 72 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-10 18:59:00,327 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 22 proven. 72 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-11-10 18:59:00,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297380741] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:00,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:00,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 5] total 12 [2024-11-10 18:59:00,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630427974] [2024-11-10 18:59:00,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:00,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 18:59:00,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:00,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 18:59:00,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:59:00,841 INFO L87 Difference]: Start difference. First operand 770 states and 926 transitions. Second operand has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) [2024-11-10 18:59:01,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:01,241 INFO L93 Difference]: Finished difference Result 963 states and 1161 transitions. [2024-11-10 18:59:01,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 18:59:01,241 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) Word has length 178 [2024-11-10 18:59:01,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:01,244 INFO L225 Difference]: With dead ends: 963 [2024-11-10 18:59:01,244 INFO L226 Difference]: Without dead ends: 741 [2024-11-10 18:59:01,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:59:01,245 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 153 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:01,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 346 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:59:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-10 18:59:01,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 661. [2024-11-10 18:59:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 573 states have (on average 1.0924956369982548) internal successors, (626), 580 states have internal predecessors, (626), 79 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-10 18:59:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 784 transitions. [2024-11-10 18:59:01,301 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 784 transitions. Word has length 178 [2024-11-10 18:59:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:01,301 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 784 transitions. [2024-11-10 18:59:01,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) [2024-11-10 18:59:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 784 transitions. [2024-11-10 18:59:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 18:59:01,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:01,303 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:01,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:01,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 18:59:01,503 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:59:01,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:01,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1403556751, now seen corresponding path program 1 times [2024-11-10 18:59:01,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:01,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991546477] [2024-11-10 18:59:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 18:59:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 18:59:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:59:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 18:59:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:59:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:59:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 18:59:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 18:59:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 18:59:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 18:59:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 18:59:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:59:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 18:59:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 18:59:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 18:59:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 18:59:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 18:59:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 18:59:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 30 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 18:59:01,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:01,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991546477] [2024-11-10 18:59:01,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991546477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:01,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078514339] [2024-11-10 18:59:01,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:01,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:01,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:01,697 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:01,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 18:59:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:01,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:59:01,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 66 proven. 40 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 18:59:01,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 66 proven. 40 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 18:59:02,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078514339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:02,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:02,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-11-10 18:59:02,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120163578] [2024-11-10 18:59:02,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:02,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:59:02,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:02,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:59:02,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:02,121 INFO L87 Difference]: Start difference. First operand 661 states and 784 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 18:59:02,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:02,285 INFO L93 Difference]: Finished difference Result 743 states and 881 transitions. [2024-11-10 18:59:02,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:59:02,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 179 [2024-11-10 18:59:02,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:02,287 INFO L225 Difference]: With dead ends: 743 [2024-11-10 18:59:02,287 INFO L226 Difference]: Without dead ends: 737 [2024-11-10 18:59:02,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 389 SyntacticMatches, 8 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:02,288 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 49 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:02,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 291 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:02,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-10 18:59:02,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 734. [2024-11-10 18:59:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 638 states have (on average 1.0940438871473355) internal successors, (698), 645 states have internal predecessors, (698), 87 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-10 18:59:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 872 transitions. [2024-11-10 18:59:02,377 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 872 transitions. Word has length 179 [2024-11-10 18:59:02,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:02,378 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 872 transitions. [2024-11-10 18:59:02,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 18:59:02,378 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 872 transitions. [2024-11-10 18:59:02,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 18:59:02,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:02,380 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:02,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0