./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/cohendiv-ll.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 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:29:58,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:29:58,835 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:29:58,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:29:58,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:29:58,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:29:58,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:29:58,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:29:58,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:29:58,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:29:58,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:29:58,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:29:58,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:29:58,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:29:58,869 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:29:58,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:29:58,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:29:58,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:29:58,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:29:58,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:29:58,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:29:58,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:29:58,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:29:58,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:29:58,873 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:29:58,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:29:58,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:29:58,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:29:58,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:29:58,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:29:58,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:29:58,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:29:58,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:29:58,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:29:58,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:29:58,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:29:58,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:29:58,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:29:58,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:29:58,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:29:58,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:29:58,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:29:58,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:29:58,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:29:58,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 [2024-11-09 11:29:59,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:29:59,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:29:59,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:29:59,083 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:29:59,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:29:59,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-11-09 11:30:00,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:30:00,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:30:00,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-11-09 11:30:00,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e173ba6/09aeb1220a794504886cde88a27d4e26/FLAG3f9d42268 [2024-11-09 11:30:00,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e173ba6/09aeb1220a794504886cde88a27d4e26 [2024-11-09 11:30:00,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:30:00,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:30:00,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:30:00,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:30:00,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:30:00,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c07a465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00, skipping insertion in model container [2024-11-09 11:30:00,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:30:00,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:30:00,746 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:30:00,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:30:00,834 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:30:00,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00 WrapperNode [2024-11-09 11:30:00,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:30:00,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:30:00,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:30:00,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:30:00,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,921 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-09 11:30:00,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:30:00,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:30:00,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:30:00,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:30:00,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,985 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:30:00,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:00,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:01,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:01,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:30:01,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:30:01,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:30:01,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:30:01,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (1/1) ... [2024-11-09 11:30:01,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:30:01,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:01,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:30:01,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:30:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:30:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:30:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:30:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:30:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:30:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:30:01,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:30:01,162 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:30:01,477 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-09 11:30:01,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:30:01,491 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:30:01,491 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:30:01,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:30:01 BoogieIcfgContainer [2024-11-09 11:30:01,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:30:01,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:30:01,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:30:01,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:30:01,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:30:00" (1/3) ... [2024-11-09 11:30:01,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b8d4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:30:01, skipping insertion in model container [2024-11-09 11:30:01,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:30:00" (2/3) ... [2024-11-09 11:30:01,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b8d4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:30:01, skipping insertion in model container [2024-11-09 11:30:01,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:30:01" (3/3) ... [2024-11-09 11:30:01,499 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll.c [2024-11-09 11:30:01,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:30:01,514 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-09 11:30:01,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:30:01,572 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;@17b97570, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:30:01,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-09 11:30:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 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) [2024-11-09 11:30:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:30:01,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:01,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:30:01,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:01,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:01,585 INFO L85 PathProgramCache]: Analyzing trace with hash 889508925, now seen corresponding path program 1 times [2024-11-09 11:30:01,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:01,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298940297] [2024-11-09 11:30:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:01,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:01,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:01,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298940297] [2024-11-09 11:30:01,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298940297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:01,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:01,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:30:01,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746494565] [2024-11-09 11:30:01,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:01,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:30:01,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:30:01,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:30:01,720 INFO L87 Difference]: Start difference. First operand has 85 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:01,738 INFO L93 Difference]: Finished difference Result 166 states and 198 transitions. [2024-11-09 11:30:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:30:01,740 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 11:30:01,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:01,745 INFO L225 Difference]: With dead ends: 166 [2024-11-09 11:30:01,746 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 11:30:01,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:30:01,755 INFO L432 NwaCegarLoop]: 91 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, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:01,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:30:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 11:30:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-09 11:30:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 70 states have internal predecessors, (72), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:30:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2024-11-09 11:30:01,796 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 6 [2024-11-09 11:30:01,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:01,797 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2024-11-09 11:30:01,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2024-11-09 11:30:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:30:01,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:01,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:30:01,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:30:01,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:01,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:01,800 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-09 11:30:01,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:01,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52413179] [2024-11-09 11:30:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:01,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:01,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1938664672] [2024-11-09 11:30:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:01,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:01,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:01,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:01,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:30:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:01,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:30:01,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:01,912 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:01,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:01,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52413179] [2024-11-09 11:30:01,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:01,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938664672] [2024-11-09 11:30:01,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938664672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:01,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:01,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:30:01,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341703902] [2024-11-09 11:30:01,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:01,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:30:01,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:01,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:30:01,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:01,919 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:02,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:02,094 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2024-11-09 11:30:02,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:30:02,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 11:30:02,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:02,096 INFO L225 Difference]: With dead ends: 102 [2024-11-09 11:30:02,096 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 11:30:02,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:02,097 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 18 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:02,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 143 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:02,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 11:30:02,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 81. [2024-11-09 11:30:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:30:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2024-11-09 11:30:02,106 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 6 [2024-11-09 11:30:02,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:02,106 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2024-11-09 11:30:02,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2024-11-09 11:30:02,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:30:02,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:02,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:02,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:30:02,311 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 [2024-11-09 11:30:02,312 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:02,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:02,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1886542531, now seen corresponding path program 1 times [2024-11-09 11:30:02,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:02,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333405690] [2024-11-09 11:30:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:02,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362832824] [2024-11-09 11:30:02,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:02,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:02,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:02,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:30:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:02,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:30:02,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:02,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:02,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:02,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333405690] [2024-11-09 11:30:02,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:02,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362832824] [2024-11-09 11:30:02,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362832824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:02,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:02,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:30:02,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493284106] [2024-11-09 11:30:02,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:02,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:30:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:02,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:30:02,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:02,409 INFO L87 Difference]: Start difference. First operand 81 states and 87 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:02,554 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-09 11:30:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:30:02,556 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-09 11:30:02,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:02,559 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:30:02,559 INFO L226 Difference]: Without dead ends: 132 [2024-11-09 11:30:02,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:02,560 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 45 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:02,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 118 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-09 11:30:02,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 112. [2024-11-09 11:30:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.710144927536232) internal successors, (118), 98 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) [2024-11-09 11:30:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 142 transitions. [2024-11-09 11:30:02,587 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 142 transitions. Word has length 13 [2024-11-09 11:30:02,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:02,587 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 142 transitions. [2024-11-09 11:30:02,588 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 142 transitions. [2024-11-09 11:30:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:30:02,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:02,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:02,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:30:02,788 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,SelfDestructingSolverStorable2 [2024-11-09 11:30:02,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:02,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash -491171553, now seen corresponding path program 1 times [2024-11-09 11:30:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:02,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541039967] [2024-11-09 11:30:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:02,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259709419] [2024-11-09 11:30:02,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:02,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:02,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:02,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:30:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:02,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:30:02,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:02,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:02,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:02,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541039967] [2024-11-09 11:30:02,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:02,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259709419] [2024-11-09 11:30:02,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259709419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:02,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:02,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:02,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725232590] [2024-11-09 11:30:02,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:02,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:02,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:02,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:02,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:02,971 INFO L87 Difference]: Start difference. First operand 112 states and 142 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:03,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:03,178 INFO L93 Difference]: Finished difference Result 131 states and 149 transitions. [2024-11-09 11:30:03,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:03,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-09 11:30:03,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:03,181 INFO L225 Difference]: With dead ends: 131 [2024-11-09 11:30:03,181 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 11:30:03,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:03,182 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 155 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:03,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 118 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:03,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 11:30:03,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 113. [2024-11-09 11:30:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.6714285714285715) internal successors, (117), 99 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) [2024-11-09 11:30:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 141 transitions. [2024-11-09 11:30:03,202 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 141 transitions. Word has length 15 [2024-11-09 11:30:03,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:03,202 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 141 transitions. [2024-11-09 11:30:03,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 141 transitions. [2024-11-09 11:30:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:30:03,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:03,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:03,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:03,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:03,404 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:03,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1953551102, now seen corresponding path program 1 times [2024-11-09 11:30:03,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:03,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770137448] [2024-11-09 11:30:03,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:03,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224339946] [2024-11-09 11:30:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:03,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:03,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:03,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:30:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:03,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:30:03,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:03,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:03,541 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:03,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770137448] [2024-11-09 11:30:03,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:03,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224339946] [2024-11-09 11:30:03,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224339946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:03,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:03,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:03,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366437823] [2024-11-09 11:30:03,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:03,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:03,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:03,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:03,547 INFO L87 Difference]: Start difference. First operand 113 states and 141 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:03,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:03,731 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2024-11-09 11:30:03,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:03,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-09 11:30:03,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:03,732 INFO L225 Difference]: With dead ends: 131 [2024-11-09 11:30:03,732 INFO L226 Difference]: Without dead ends: 124 [2024-11-09 11:30:03,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:03,733 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 151 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:03,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 121 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:03,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-09 11:30:03,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 110. [2024-11-09 11:30:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 67 states have (on average 1.6567164179104477) internal successors, (111), 96 states have internal predecessors, (111), 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) [2024-11-09 11:30:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 135 transitions. [2024-11-09 11:30:03,743 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 135 transitions. Word has length 16 [2024-11-09 11:30:03,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:03,743 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 135 transitions. [2024-11-09 11:30:03,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2024-11-09 11:30:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:30:03,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:03,744 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:03,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:30:03,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:03,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:03,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:03,950 INFO L85 PathProgramCache]: Analyzing trace with hash -833501705, now seen corresponding path program 1 times [2024-11-09 11:30:03,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:03,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183093611] [2024-11-09 11:30:03,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:03,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045066426] [2024-11-09 11:30:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:03,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:03,987 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:03,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:30:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:04,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:04,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:30:04,056 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:04,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183093611] [2024-11-09 11:30:04,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045066426] [2024-11-09 11:30:04,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045066426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:04,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:04,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:04,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998269355] [2024-11-09 11:30:04,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:04,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:04,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:04,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:04,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:04,058 INFO L87 Difference]: Start difference. First operand 110 states and 135 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:30:04,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:04,243 INFO L93 Difference]: Finished difference Result 177 states and 243 transitions. [2024-11-09 11:30:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:04,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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 24 [2024-11-09 11:30:04,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:04,245 INFO L225 Difference]: With dead ends: 177 [2024-11-09 11:30:04,245 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 11:30:04,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:04,246 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 101 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:04,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 71 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:04,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 11:30:04,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 156. [2024-11-09 11:30:04,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.6285714285714286) internal successors, (171), 134 states have internal predecessors, (171), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:30:04,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 211 transitions. [2024-11-09 11:30:04,264 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 211 transitions. Word has length 24 [2024-11-09 11:30:04,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:04,264 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 211 transitions. [2024-11-09 11:30:04,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:30:04,265 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 211 transitions. [2024-11-09 11:30:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:30:04,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:04,265 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:04,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:30:04,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:04,467 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:04,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:04,467 INFO L85 PathProgramCache]: Analyzing trace with hash -68748999, now seen corresponding path program 1 times [2024-11-09 11:30:04,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:04,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096689792] [2024-11-09 11:30:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:04,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631785027] [2024-11-09 11:30:04,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:04,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:04,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:04,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:30:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:04,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:04,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:30:04,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:04,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:04,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096689792] [2024-11-09 11:30:04,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:04,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631785027] [2024-11-09 11:30:04,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631785027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:04,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:04,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:04,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346448923] [2024-11-09 11:30:04,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:04,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:04,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:04,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:04,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:04,591 INFO L87 Difference]: Start difference. First operand 156 states and 211 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:30:04,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:04,710 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2024-11-09 11:30:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:04,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2024-11-09 11:30:04,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:04,712 INFO L225 Difference]: With dead ends: 175 [2024-11-09 11:30:04,712 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 11:30:04,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:04,713 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:04,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 83 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:04,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 11:30:04,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 157. [2024-11-09 11:30:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 106 states have (on average 1.5849056603773586) internal successors, (168), 135 states have internal predecessors, (168), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:30:04,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2024-11-09 11:30:04,732 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 208 transitions. Word has length 25 [2024-11-09 11:30:04,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:04,732 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-11-09 11:30:04,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:30:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2024-11-09 11:30:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:30:04,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:04,734 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] [2024-11-09 11:30:04,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:30:04,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:04,935 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:04,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:04,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2090297150, now seen corresponding path program 1 times [2024-11-09 11:30:04,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:04,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660085325] [2024-11-09 11:30:04,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:30:05,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:05,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660085325] [2024-11-09 11:30:05,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660085325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:05,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:05,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:05,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869446126] [2024-11-09 11:30:05,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:05,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:05,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:05,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:05,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:05,050 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:05,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:05,427 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2024-11-09 11:30:05,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:05,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (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 [2024-11-09 11:30:05,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:05,432 INFO L225 Difference]: With dead ends: 190 [2024-11-09 11:30:05,432 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:30:05,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:05,433 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 114 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:05,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 68 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:30:05,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 159. [2024-11-09 11:30:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 137 states have internal predecessors, (168), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:30:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 208 transitions. [2024-11-09 11:30:05,454 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 208 transitions. Word has length 45 [2024-11-09 11:30:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:05,454 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 208 transitions. [2024-11-09 11:30:05,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 208 transitions. [2024-11-09 11:30:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:30:05,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:05,455 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:05,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:30:05,456 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:05,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:05,456 INFO L85 PathProgramCache]: Analyzing trace with hash 374702305, now seen corresponding path program 1 times [2024-11-09 11:30:05,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:05,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775092654] [2024-11-09 11:30:05,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:05,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:30:05,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:05,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775092654] [2024-11-09 11:30:05,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775092654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:05,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:05,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:05,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851019153] [2024-11-09 11:30:05,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:05,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:05,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:05,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:05,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:05,641 INFO L87 Difference]: Start difference. First operand 159 states and 208 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:05,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:05,889 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2024-11-09 11:30:05,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:05,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 46 [2024-11-09 11:30:05,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:05,891 INFO L225 Difference]: With dead ends: 190 [2024-11-09 11:30:05,891 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:30:05,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:05,892 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 111 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:05,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 70 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:05,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:30:05,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2024-11-09 11:30:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 110 states have (on average 1.5272727272727273) internal successors, (168), 139 states have internal predecessors, (168), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:30:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 208 transitions. [2024-11-09 11:30:05,900 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 208 transitions. Word has length 46 [2024-11-09 11:30:05,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:05,901 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 208 transitions. [2024-11-09 11:30:05,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 208 transitions. [2024-11-09 11:30:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:30:05,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:05,902 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:05,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:30:05,902 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:05,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash -688334599, now seen corresponding path program 1 times [2024-11-09 11:30:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831594302] [2024-11-09 11:30:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:05,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:30:05,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:05,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831594302] [2024-11-09 11:30:05,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831594302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:05,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:05,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:30:05,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636373429] [2024-11-09 11:30:05,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:05,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:30:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:05,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:30:05,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:05,979 INFO L87 Difference]: Start difference. First operand 161 states and 208 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:06,064 INFO L93 Difference]: Finished difference Result 166 states and 208 transitions. [2024-11-09 11:30:06,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:30:06,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 48 [2024-11-09 11:30:06,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:06,065 INFO L225 Difference]: With dead ends: 166 [2024-11-09 11:30:06,069 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 11:30:06,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:06,070 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:06,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 126 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 11:30:06,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2024-11-09 11:30:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 110 states have (on average 1.518181818181818) internal successors, (167), 139 states have internal predecessors, (167), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:30:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2024-11-09 11:30:06,086 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 48 [2024-11-09 11:30:06,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:06,086 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2024-11-09 11:30:06,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2024-11-09 11:30:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:30:06,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:06,087 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:06,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:30:06,088 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:06,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash -688334557, now seen corresponding path program 1 times [2024-11-09 11:30:06,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:06,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982944916] [2024-11-09 11:30:06,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:30:06,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:06,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982944916] [2024-11-09 11:30:06,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982944916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:06,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:06,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:06,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661464142] [2024-11-09 11:30:06,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:06,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:06,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:06,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:06,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:06,212 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-09 11:30:06,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:06,267 INFO L93 Difference]: Finished difference Result 161 states and 207 transitions. [2024-11-09 11:30:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:06,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 48 [2024-11-09 11:30:06,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:06,268 INFO L225 Difference]: With dead ends: 161 [2024-11-09 11:30:06,268 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 11:30:06,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:06,268 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 54 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:06,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 52 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:30:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 11:30:06,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-09 11:30:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 110 states have (on average 1.481818181818182) internal successors, (163), 138 states have internal predecessors, (163), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:30:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 203 transitions. [2024-11-09 11:30:06,278 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 203 transitions. Word has length 48 [2024-11-09 11:30:06,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:06,278 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 203 transitions. [2024-11-09 11:30:06,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-09 11:30:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2024-11-09 11:30:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:30:06,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:06,279 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:06,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 11:30:06,279 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:06,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:06,279 INFO L85 PathProgramCache]: Analyzing trace with hash 136464035, now seen corresponding path program 1 times [2024-11-09 11:30:06,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:06,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157666002] [2024-11-09 11:30:06,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:06,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:30:06,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:06,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157666002] [2024-11-09 11:30:06,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157666002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:06,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:06,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:30:06,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319553224] [2024-11-09 11:30:06,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:06,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:30:06,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:06,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:30:06,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:06,351 INFO L87 Difference]: Start difference. First operand 160 states and 203 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-09 11:30:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:06,420 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2024-11-09 11:30:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:06,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 49 [2024-11-09 11:30:06,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:06,421 INFO L225 Difference]: With dead ends: 160 [2024-11-09 11:30:06,421 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 11:30:06,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:06,422 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 102 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:06,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 132 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:30:06,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 11:30:06,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-09 11:30:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 110 states have (on average 1.4636363636363636) internal successors, (161), 137 states have internal predecessors, (161), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:30:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 201 transitions. [2024-11-09 11:30:06,430 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 201 transitions. Word has length 49 [2024-11-09 11:30:06,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:06,430 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 201 transitions. [2024-11-09 11:30:06,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-09 11:30:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2024-11-09 11:30:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:30:06,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:06,431 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:06,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:30:06,431 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:06,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:06,431 INFO L85 PathProgramCache]: Analyzing trace with hash 136465317, now seen corresponding path program 1 times [2024-11-09 11:30:06,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:06,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414576574] [2024-11-09 11:30:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:06,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:30:06,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:06,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414576574] [2024-11-09 11:30:06,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414576574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:06,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:06,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:30:06,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813281361] [2024-11-09 11:30:06,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:06,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:06,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:06,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:06,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:30:06,494 INFO L87 Difference]: Start difference. First operand 159 states and 201 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:06,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:06,988 INFO L93 Difference]: Finished difference Result 211 states and 260 transitions. [2024-11-09 11:30:06,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:30:06,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 49 [2024-11-09 11:30:06,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:06,990 INFO L225 Difference]: With dead ends: 211 [2024-11-09 11:30:06,990 INFO L226 Difference]: Without dead ends: 210 [2024-11-09 11:30:06,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:30:06,991 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 265 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:06,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 214 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:06,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-09 11:30:07,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 188. [2024-11-09 11:30:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.4477611940298507) internal successors, (194), 161 states have internal predecessors, (194), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:30:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2024-11-09 11:30:07,003 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 49 [2024-11-09 11:30:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:07,003 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2024-11-09 11:30:07,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2024-11-09 11:30:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 11:30:07,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:07,006 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:07,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:30:07,006 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:07,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:07,007 INFO L85 PathProgramCache]: Analyzing trace with hash -64582085, now seen corresponding path program 1 times [2024-11-09 11:30:07,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:07,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870411408] [2024-11-09 11:30:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:30:07,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:07,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870411408] [2024-11-09 11:30:07,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870411408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:07,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:07,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:07,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398928012] [2024-11-09 11:30:07,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:07,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:07,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:07,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:07,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:07,104 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:07,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:07,197 INFO L93 Difference]: Finished difference Result 209 states and 257 transitions. [2024-11-09 11:30:07,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:07,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 50 [2024-11-09 11:30:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:07,199 INFO L225 Difference]: With dead ends: 209 [2024-11-09 11:30:07,199 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 11:30:07,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:07,200 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:07,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 147 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:07,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 11:30:07,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 192. [2024-11-09 11:30:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 138 states have (on average 1.434782608695652) internal successors, (198), 165 states have internal predecessors, (198), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:30:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 248 transitions. [2024-11-09 11:30:07,211 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 248 transitions. Word has length 50 [2024-11-09 11:30:07,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:07,211 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 248 transitions. [2024-11-09 11:30:07,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:30:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 248 transitions. [2024-11-09 11:30:07,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:30:07,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:07,214 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:07,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:30:07,214 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:07,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:07,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1090849636, now seen corresponding path program 1 times [2024-11-09 11:30:07,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:07,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123011249] [2024-11-09 11:30:07,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:07,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:07,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934806372] [2024-11-09 11:30:07,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:07,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:07,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:07,230 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:07,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:30:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:30:07,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:30:07,531 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:07,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:07,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123011249] [2024-11-09 11:30:07,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:07,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934806372] [2024-11-09 11:30:07,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934806372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:07,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:07,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:30:07,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841403777] [2024-11-09 11:30:07,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:07,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:30:07,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:07,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:30:07,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:07,533 INFO L87 Difference]: Start difference. First operand 192 states and 248 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:07,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:07,902 INFO L93 Difference]: Finished difference Result 287 states and 369 transitions. [2024-11-09 11:30:07,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:30:07,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 60 [2024-11-09 11:30:07,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:07,904 INFO L225 Difference]: With dead ends: 287 [2024-11-09 11:30:07,904 INFO L226 Difference]: Without dead ends: 278 [2024-11-09 11:30:07,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:30:07,905 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 241 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:07,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 123 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-09 11:30:07,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 258. [2024-11-09 11:30:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 194 states have (on average 1.402061855670103) internal successors, (272), 221 states have internal predecessors, (272), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 11:30:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 342 transitions. [2024-11-09 11:30:07,920 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 342 transitions. Word has length 60 [2024-11-09 11:30:07,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:07,921 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 342 transitions. [2024-11-09 11:30:07,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 342 transitions. [2024-11-09 11:30:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:30:07,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:07,922 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 11:30:07,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:30:08,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:08,127 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:08,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:08,127 INFO L85 PathProgramCache]: Analyzing trace with hash 543399709, now seen corresponding path program 1 times [2024-11-09 11:30:08,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:08,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814847716] [2024-11-09 11:30:08,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:08,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:08,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [51774330] [2024-11-09 11:30:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:08,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:08,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:08,142 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:08,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:30:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:30:08,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:30:08,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:09,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:09,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814847716] [2024-11-09 11:30:09,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:09,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51774330] [2024-11-09 11:30:09,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51774330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:09,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:09,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:30:09,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319640843] [2024-11-09 11:30:09,321 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:09,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:30:09,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:09,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:30:09,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:30:09,323 INFO L87 Difference]: Start difference. First operand 258 states and 342 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:09,536 INFO L93 Difference]: Finished difference Result 344 states and 449 transitions. [2024-11-09 11:30:09,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:09,537 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2024-11-09 11:30:09,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:09,538 INFO L225 Difference]: With dead ends: 344 [2024-11-09 11:30:09,538 INFO L226 Difference]: Without dead ends: 341 [2024-11-09 11:30:09,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:30:09,539 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 129 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:09,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 143 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:09,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-09 11:30:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 314. [2024-11-09 11:30:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 240 states have (on average 1.3916666666666666) internal successors, (334), 267 states have internal predecessors, (334), 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) [2024-11-09 11:30:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 424 transitions. [2024-11-09 11:30:09,558 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 424 transitions. Word has length 61 [2024-11-09 11:30:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:09,559 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 424 transitions. [2024-11-09 11:30:09,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 424 transitions. [2024-11-09 11:30:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:30:09,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:09,560 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:09,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:30:09,764 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,SelfDestructingSolverStorable15 [2024-11-09 11:30:09,765 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:09,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:09,766 INFO L85 PathProgramCache]: Analyzing trace with hash -334478146, now seen corresponding path program 1 times [2024-11-09 11:30:09,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:09,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046551799] [2024-11-09 11:30:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:09,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:30:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:30:09,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:09,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046551799] [2024-11-09 11:30:09,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046551799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:09,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:09,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:30:09,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378929498] [2024-11-09 11:30:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:09,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:30:09,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:09,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:30:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:09,890 INFO L87 Difference]: Start difference. First operand 314 states and 424 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:10,829 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2024-11-09 11:30:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:30:10,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-11-09 11:30:10,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:10,831 INFO L225 Difference]: With dead ends: 445 [2024-11-09 11:30:10,832 INFO L226 Difference]: Without dead ends: 442 [2024-11-09 11:30:10,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:30:10,832 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 129 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:10,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 173 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:30:10,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-09 11:30:10,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 320. [2024-11-09 11:30:10,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 246 states have (on average 1.3658536585365855) internal successors, (336), 271 states have internal predecessors, (336), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:30:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 430 transitions. [2024-11-09 11:30:10,853 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 430 transitions. Word has length 62 [2024-11-09 11:30:10,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:10,853 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 430 transitions. [2024-11-09 11:30:10,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:10,853 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 430 transitions. [2024-11-09 11:30:10,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:30:10,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:10,854 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:10,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:30:10,855 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:10,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:10,855 INFO L85 PathProgramCache]: Analyzing trace with hash -965738021, now seen corresponding path program 1 times [2024-11-09 11:30:10,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:10,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279528361] [2024-11-09 11:30:10,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:10,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1756081010] [2024-11-09 11:30:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:10,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:10,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:10,875 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:10,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:30:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:10,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:30:10,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:30:11,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:11,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:11,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279528361] [2024-11-09 11:30:11,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:11,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756081010] [2024-11-09 11:30:11,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756081010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:11,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:11,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:30:11,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16308609] [2024-11-09 11:30:11,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:11,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:30:11,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:11,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:30:11,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:11,050 INFO L87 Difference]: Start difference. First operand 320 states and 430 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:11,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:11,230 INFO L93 Difference]: Finished difference Result 335 states and 454 transitions. [2024-11-09 11:30:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:30:11,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-11-09 11:30:11,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:11,232 INFO L225 Difference]: With dead ends: 335 [2024-11-09 11:30:11,232 INFO L226 Difference]: Without dead ends: 331 [2024-11-09 11:30:11,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:11,233 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 133 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:11,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 135 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-09 11:30:11,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 316. [2024-11-09 11:30:11,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 246 states have (on average 1.3373983739837398) internal successors, (329), 267 states have internal predecessors, (329), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:30:11,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 423 transitions. [2024-11-09 11:30:11,250 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 423 transitions. Word has length 62 [2024-11-09 11:30:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:11,250 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 423 transitions. [2024-11-09 11:30:11,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 423 transitions. [2024-11-09 11:30:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:30:11,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:11,252 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:11,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:11,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:30:11,453 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:11,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:11,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1778887873, now seen corresponding path program 1 times [2024-11-09 11:30:11,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:11,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260490195] [2024-11-09 11:30:11,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:11,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:11,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910868190] [2024-11-09 11:30:11,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:11,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:11,466 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:11,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:30:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:11,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:30:11,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:30:11,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:11,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260490195] [2024-11-09 11:30:11,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:11,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910868190] [2024-11-09 11:30:11,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910868190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:11,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:11,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:30:11,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858905331] [2024-11-09 11:30:11,911 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:11,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:30:11,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:11,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:30:11,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:30:11,912 INFO L87 Difference]: Start difference. First operand 316 states and 423 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:12,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:12,391 INFO L93 Difference]: Finished difference Result 339 states and 433 transitions. [2024-11-09 11:30:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:30:12,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-09 11:30:12,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:12,393 INFO L225 Difference]: With dead ends: 339 [2024-11-09 11:30:12,393 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 11:30:12,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:30:12,394 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 223 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:12,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 198 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:12,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 11:30:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 314. [2024-11-09 11:30:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 244 states have (on average 1.3237704918032787) internal successors, (323), 265 states have internal predecessors, (323), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:30:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 417 transitions. [2024-11-09 11:30:12,415 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 417 transitions. Word has length 63 [2024-11-09 11:30:12,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:12,415 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 417 transitions. [2024-11-09 11:30:12,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 417 transitions. [2024-11-09 11:30:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:30:12,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:12,416 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:12,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:30:12,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:12,620 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:12,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash 126892501, now seen corresponding path program 1 times [2024-11-09 11:30:12,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:12,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867855568] [2024-11-09 11:30:12,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:12,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:12,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166944836] [2024-11-09 11:30:12,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:12,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:12,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:12,633 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:12,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:30:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:12,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:30:12,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:30:12,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:13,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:13,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867855568] [2024-11-09 11:30:13,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:13,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166944836] [2024-11-09 11:30:13,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166944836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:13,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:13,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:30:13,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457055805] [2024-11-09 11:30:13,084 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:13,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:30:13,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:13,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:30:13,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:30:13,085 INFO L87 Difference]: Start difference. First operand 314 states and 417 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:13,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:13,318 INFO L93 Difference]: Finished difference Result 508 states and 708 transitions. [2024-11-09 11:30:13,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:30:13,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-09 11:30:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:13,320 INFO L225 Difference]: With dead ends: 508 [2024-11-09 11:30:13,320 INFO L226 Difference]: Without dead ends: 504 [2024-11-09 11:30:13,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:30:13,321 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 114 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:13,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 212 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-09 11:30:13,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 408. [2024-11-09 11:30:13,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 322 states have (on average 1.313664596273292) internal successors, (423), 343 states have internal predecessors, (423), 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) [2024-11-09 11:30:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 549 transitions. [2024-11-09 11:30:13,344 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 549 transitions. Word has length 63 [2024-11-09 11:30:13,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:13,345 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 549 transitions. [2024-11-09 11:30:13,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:30:13,345 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 549 transitions. [2024-11-09 11:30:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 11:30:13,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:13,346 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-09 11:30:13,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:30:13,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:13,546 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:13,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:13,547 INFO L85 PathProgramCache]: Analyzing trace with hash 72761818, now seen corresponding path program 1 times [2024-11-09 11:30:13,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:13,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328757118] [2024-11-09 11:30:13,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:13,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:13,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328757118] [2024-11-09 11:30:13,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328757118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:13,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715157735] [2024-11-09 11:30:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:13,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:13,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:13,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:30:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:13,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:13,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:13,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:13,800 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:13,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715157735] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:13,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:13,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 11:30:13,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911024296] [2024-11-09 11:30:13,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:13,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:30:13,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:13,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:30:13,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:30:13,802 INFO L87 Difference]: Start difference. First operand 408 states and 549 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 11:30:14,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:14,253 INFO L93 Difference]: Finished difference Result 646 states and 883 transitions. [2024-11-09 11:30:14,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:30:14,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 83 [2024-11-09 11:30:14,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:14,257 INFO L225 Difference]: With dead ends: 646 [2024-11-09 11:30:14,257 INFO L226 Difference]: Without dead ends: 644 [2024-11-09 11:30:14,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:30:14,258 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 189 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:14,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 289 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:14,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-09 11:30:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 547. [2024-11-09 11:30:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 434 states have (on average 1.3110599078341014) internal successors, (569), 454 states have internal predecessors, (569), 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) [2024-11-09 11:30:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 751 transitions. [2024-11-09 11:30:14,304 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 751 transitions. Word has length 83 [2024-11-09 11:30:14,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:14,304 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 751 transitions. [2024-11-09 11:30:14,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 11:30:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 751 transitions. [2024-11-09 11:30:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 11:30:14,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:14,305 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-09 11:30:14,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:30:14,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 11:30:14,506 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:14,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash -2039350843, now seen corresponding path program 1 times [2024-11-09 11:30:14,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:14,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978991809] [2024-11-09 11:30:14,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:14,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:14,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:14,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978991809] [2024-11-09 11:30:14,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978991809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:14,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176369534] [2024-11-09 11:30:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:14,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:14,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:14,578 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:14,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:30:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:14,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:14,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:14,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:14,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176369534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:14,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:14,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-09 11:30:14,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92501421] [2024-11-09 11:30:14,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:14,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:30:14,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:14,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:30:14,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:30:14,767 INFO L87 Difference]: Start difference. First operand 547 states and 751 transitions. Second operand has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-09 11:30:15,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:15,351 INFO L93 Difference]: Finished difference Result 662 states and 879 transitions. [2024-11-09 11:30:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:30:15,352 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 84 [2024-11-09 11:30:15,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:15,355 INFO L225 Difference]: With dead ends: 662 [2024-11-09 11:30:15,355 INFO L226 Difference]: Without dead ends: 660 [2024-11-09 11:30:15,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:30:15,355 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 757 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:15,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 310 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:30:15,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-09 11:30:15,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 549. [2024-11-09 11:30:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 437 states have (on average 1.2608695652173914) internal successors, (551), 456 states have internal predecessors, (551), 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) [2024-11-09 11:30:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 733 transitions. [2024-11-09 11:30:15,386 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 733 transitions. Word has length 84 [2024-11-09 11:30:15,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:15,387 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 733 transitions. [2024-11-09 11:30:15,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-09 11:30:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 733 transitions. [2024-11-09 11:30:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:30:15,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:15,388 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-09 11:30:15,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:30:15,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 11:30:15,589 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:15,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:15,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1311069987, now seen corresponding path program 1 times [2024-11-09 11:30:15,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:15,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220581053] [2024-11-09 11:30:15,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:15,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:15,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:15,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220581053] [2024-11-09 11:30:15,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220581053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:15,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:15,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:15,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833006863] [2024-11-09 11:30:15,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:15,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:15,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:15,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:15,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:15,680 INFO L87 Difference]: Start difference. First operand 549 states and 733 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:30:15,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:15,762 INFO L93 Difference]: Finished difference Result 549 states and 733 transitions. [2024-11-09 11:30:15,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:15,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-09 11:30:15,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:15,764 INFO L225 Difference]: With dead ends: 549 [2024-11-09 11:30:15,765 INFO L226 Difference]: Without dead ends: 548 [2024-11-09 11:30:15,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:15,766 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:15,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 126 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:30:15,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-09 11:30:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2024-11-09 11:30:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 437 states have (on average 1.2517162471395882) internal successors, (547), 455 states have internal predecessors, (547), 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) [2024-11-09 11:30:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 729 transitions. [2024-11-09 11:30:15,810 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 729 transitions. Word has length 86 [2024-11-09 11:30:15,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:15,810 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 729 transitions. [2024-11-09 11:30:15,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:30:15,810 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 729 transitions. [2024-11-09 11:30:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 11:30:15,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:15,812 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-09 11:30:15,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 11:30:15,812 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:15,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:15,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1512835809, now seen corresponding path program 1 times [2024-11-09 11:30:15,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:15,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438319395] [2024-11-09 11:30:15,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:15,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:15,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:15,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438319395] [2024-11-09 11:30:15,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438319395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:15,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750014897] [2024-11-09 11:30:15,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:15,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:15,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:15,903 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:15,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:30:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:15,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:15,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:16,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:16,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750014897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:16,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:16,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 11:30:16,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911262639] [2024-11-09 11:30:16,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:16,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:30:16,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:16,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:30:16,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:30:16,047 INFO L87 Difference]: Start difference. First operand 548 states and 729 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:30:16,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:16,295 INFO L93 Difference]: Finished difference Result 559 states and 748 transitions. [2024-11-09 11:30:16,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:16,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 88 [2024-11-09 11:30:16,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:16,297 INFO L225 Difference]: With dead ends: 559 [2024-11-09 11:30:16,297 INFO L226 Difference]: Without dead ends: 558 [2024-11-09 11:30:16,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:30:16,298 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 40 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:16,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 138 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-09 11:30:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 547. [2024-11-09 11:30:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 437 states have (on average 1.2448512585812357) internal successors, (544), 454 states have internal predecessors, (544), 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) [2024-11-09 11:30:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 726 transitions. [2024-11-09 11:30:16,327 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 726 transitions. Word has length 88 [2024-11-09 11:30:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:16,327 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 726 transitions. [2024-11-09 11:30:16,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:30:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 726 transitions. [2024-11-09 11:30:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 11:30:16,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:16,328 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-09 11:30:16,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:30:16,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:16,533 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:16,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:16,533 INFO L85 PathProgramCache]: Analyzing trace with hash 346730305, now seen corresponding path program 1 times [2024-11-09 11:30:16,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:16,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519531715] [2024-11-09 11:30:16,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:16,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:16,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:16,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519531715] [2024-11-09 11:30:16,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519531715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:16,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391284847] [2024-11-09 11:30:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:16,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:16,648 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:16,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:30:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:16,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:16,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:30:16,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391284847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:16,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:16,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:30:16,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674919822] [2024-11-09 11:30:16,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:16,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:30:16,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:16,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:30:16,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:30:16,894 INFO L87 Difference]: Start difference. First operand 547 states and 726 transitions. Second operand has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:30:17,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:17,285 INFO L93 Difference]: Finished difference Result 749 states and 1003 transitions. [2024-11-09 11:30:17,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:30:17,285 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 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 89 [2024-11-09 11:30:17,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:17,287 INFO L225 Difference]: With dead ends: 749 [2024-11-09 11:30:17,287 INFO L226 Difference]: Without dead ends: 747 [2024-11-09 11:30:17,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:30:17,288 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 240 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:17,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 246 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:17,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-09 11:30:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 623. [2024-11-09 11:30:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 504 states have (on average 1.2380952380952381) internal successors, (624), 521 states have internal predecessors, (624), 100 states have call successors, (100), 1 states have call predecessors, (100), 1 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 11:30:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 824 transitions. [2024-11-09 11:30:17,327 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 824 transitions. Word has length 89 [2024-11-09 11:30:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:17,327 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 824 transitions. [2024-11-09 11:30:17,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:30:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 824 transitions. [2024-11-09 11:30:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 11:30:17,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:17,330 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:17,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:17,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:17,531 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:17,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash -627337340, now seen corresponding path program 1 times [2024-11-09 11:30:17,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:17,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797445080] [2024-11-09 11:30:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:17,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:30:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:30:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:30:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 11:30:17,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:17,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797445080] [2024-11-09 11:30:17,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797445080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:17,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050466884] [2024-11-09 11:30:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:17,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:17,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:17,617 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:17,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:30:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:17,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:30:17,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 11:30:17,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 11:30:17,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050466884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:17,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:17,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-09 11:30:17,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582999148] [2024-11-09 11:30:17,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:17,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:17,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:17,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:17,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:30:17,902 INFO L87 Difference]: Start difference. First operand 623 states and 824 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 11:30:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:18,234 INFO L93 Difference]: Finished difference Result 627 states and 824 transitions. [2024-11-09 11:30:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:30:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 96 [2024-11-09 11:30:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:18,237 INFO L225 Difference]: With dead ends: 627 [2024-11-09 11:30:18,237 INFO L226 Difference]: Without dead ends: 626 [2024-11-09 11:30:18,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 206 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:30:18,237 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 253 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:18,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 265 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:18,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-09 11:30:18,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 593. [2024-11-09 11:30:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 480 states have (on average 1.23125) internal successors, (591), 496 states have internal predecessors, (591), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-09 11:30:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 781 transitions. [2024-11-09 11:30:18,270 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 781 transitions. Word has length 96 [2024-11-09 11:30:18,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:18,271 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 781 transitions. [2024-11-09 11:30:18,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 11:30:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 781 transitions. [2024-11-09 11:30:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 11:30:18,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:18,272 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:18,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:18,475 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,SelfDestructingSolverStorable25 [2024-11-09 11:30:18,476 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:18,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:18,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1353707904, now seen corresponding path program 1 times [2024-11-09 11:30:18,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:18,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028220002] [2024-11-09 11:30:18,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:18,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:18,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921113137] [2024-11-09 11:30:18,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:18,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:18,490 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:18,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:30:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:18,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:30:18,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 11:30:18,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:19,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:19,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028220002] [2024-11-09 11:30:19,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:19,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921113137] [2024-11-09 11:30:19,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921113137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:19,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:19,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:30:19,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29365117] [2024-11-09 11:30:19,074 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:19,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:19,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:19,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:19,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:30:19,075 INFO L87 Difference]: Start difference. First operand 593 states and 781 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:30:19,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:19,752 INFO L93 Difference]: Finished difference Result 1061 states and 1435 transitions. [2024-11-09 11:30:19,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:30:19,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 98 [2024-11-09 11:30:19,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:19,757 INFO L225 Difference]: With dead ends: 1061 [2024-11-09 11:30:19,757 INFO L226 Difference]: Without dead ends: 1058 [2024-11-09 11:30:19,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:30:19,758 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 210 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:19,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 170 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:30:19,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-09 11:30:19,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 635. [2024-11-09 11:30:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 513 states have (on average 1.2358674463937622) internal successors, (634), 529 states have internal predecessors, (634), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 11:30:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 842 transitions. [2024-11-09 11:30:19,806 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 842 transitions. Word has length 98 [2024-11-09 11:30:19,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:19,807 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 842 transitions. [2024-11-09 11:30:19,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:30:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 842 transitions. [2024-11-09 11:30:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 11:30:19,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:19,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:19,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:20,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:30:20,009 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:20,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:20,010 INFO L85 PathProgramCache]: Analyzing trace with hash 984727993, now seen corresponding path program 1 times [2024-11-09 11:30:20,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:20,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624440275] [2024-11-09 11:30:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:20,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575723220] [2024-11-09 11:30:20,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:20,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:20,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:20,024 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) [2024-11-09 11:30:20,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:30:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:20,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:30:20,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 11:30:20,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:20,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:20,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624440275] [2024-11-09 11:30:20,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:20,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575723220] [2024-11-09 11:30:20,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575723220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:20,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:20,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:30:20,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960668884] [2024-11-09 11:30:20,967 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:20,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:20,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:20,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:20,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:30:20,968 INFO L87 Difference]: Start difference. First operand 635 states and 842 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:30:21,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:21,448 INFO L93 Difference]: Finished difference Result 726 states and 954 transitions. [2024-11-09 11:30:21,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:30:21,448 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 99 [2024-11-09 11:30:21,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:21,451 INFO L225 Difference]: With dead ends: 726 [2024-11-09 11:30:21,451 INFO L226 Difference]: Without dead ends: 723 [2024-11-09 11:30:21,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:30:21,451 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 72 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:21,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 256 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:21,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-09 11:30:21,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 702. [2024-11-09 11:30:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 568 states have (on average 1.232394366197183) internal successors, (700), 584 states have internal predecessors, (700), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-09 11:30:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 932 transitions. [2024-11-09 11:30:21,495 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 932 transitions. Word has length 99 [2024-11-09 11:30:21,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:21,495 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 932 transitions. [2024-11-09 11:30:21,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:30:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 932 transitions. [2024-11-09 11:30:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 11:30:21,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:21,496 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] [2024-11-09 11:30:21,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:30:21,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-09 11:30:21,697 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:21,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:21,697 INFO L85 PathProgramCache]: Analyzing trace with hash 461796770, now seen corresponding path program 1 times [2024-11-09 11:30:21,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:21,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792797483] [2024-11-09 11:30:21,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:21,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:30:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 11:30:21,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:21,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792797483] [2024-11-09 11:30:21,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792797483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:21,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:21,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:30:21,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868871835] [2024-11-09 11:30:21,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:21,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:21,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:30:21,769 INFO L87 Difference]: Start difference. First operand 702 states and 932 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:30:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:22,566 INFO L93 Difference]: Finished difference Result 706 states and 932 transitions. [2024-11-09 11:30:22,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:30:22,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 100 [2024-11-09 11:30:22,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:22,569 INFO L225 Difference]: With dead ends: 706 [2024-11-09 11:30:22,569 INFO L226 Difference]: Without dead ends: 705 [2024-11-09 11:30:22,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:30:22,570 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 85 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:22,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 167 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:30:22,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-09 11:30:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 671. [2024-11-09 11:30:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 540 states have (on average 1.2277777777777779) internal successors, (663), 555 states have internal predecessors, (663), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 11:30:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 891 transitions. [2024-11-09 11:30:22,611 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 891 transitions. Word has length 100 [2024-11-09 11:30:22,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:22,611 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 891 transitions. [2024-11-09 11:30:22,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:30:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 891 transitions. [2024-11-09 11:30:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:30:22,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:22,612 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:22,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 11:30:22,612 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:22,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:22,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1430798043, now seen corresponding path program 1 times [2024-11-09 11:30:22,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:22,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818347128] [2024-11-09 11:30:22,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:22,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:22,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654524461] [2024-11-09 11:30:22,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:22,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:22,624 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) [2024-11-09 11:30:22,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:30:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:22,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:30:22,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:22,942 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 11:30:22,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:27,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:27,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818347128] [2024-11-09 11:30:27,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:27,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654524461] [2024-11-09 11:30:27,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654524461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:27,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:27,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:30:27,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893363255] [2024-11-09 11:30:27,156 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:27,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:30:27,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:27,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:30:27,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-09 11:30:27,157 INFO L87 Difference]: Start difference. First operand 671 states and 891 transitions. Second operand has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:30:27,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:27,734 INFO L93 Difference]: Finished difference Result 687 states and 897 transitions. [2024-11-09 11:30:27,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:30:27,734 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 101 [2024-11-09 11:30:27,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:27,737 INFO L225 Difference]: With dead ends: 687 [2024-11-09 11:30:27,737 INFO L226 Difference]: Without dead ends: 680 [2024-11-09 11:30:27,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=91, Invalid=328, Unknown=1, NotChecked=0, Total=420 [2024-11-09 11:30:27,738 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 180 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:27,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 220 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:27,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-09 11:30:27,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 555. [2024-11-09 11:30:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 445 states have (on average 1.2314606741573033) internal successors, (548), 460 states have internal predecessors, (548), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-09 11:30:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 734 transitions. [2024-11-09 11:30:27,810 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 734 transitions. Word has length 101 [2024-11-09 11:30:27,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:27,811 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 734 transitions. [2024-11-09 11:30:27,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:30:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 734 transitions. [2024-11-09 11:30:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:30:27,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:27,814 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:27,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:28,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:28,015 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:28,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:28,015 INFO L85 PathProgramCache]: Analyzing trace with hash -958388879, now seen corresponding path program 2 times [2024-11-09 11:30:28,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:28,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091165421] [2024-11-09 11:30:28,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:28,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:28,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1562715513] [2024-11-09 11:30:28,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:30:28,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:28,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:28,034 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) [2024-11-09 11:30:28,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:30:28,082 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:30:28,082 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:28,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:30:28,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 11:30:28,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:28,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:28,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091165421] [2024-11-09 11:30:28,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:28,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562715513] [2024-11-09 11:30:28,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562715513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:28,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:28,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:30:28,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119057541] [2024-11-09 11:30:28,538 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:28,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:30:28,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:28,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:30:28,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:30:28,539 INFO L87 Difference]: Start difference. First operand 555 states and 734 transitions. Second operand has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:30:29,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:29,066 INFO L93 Difference]: Finished difference Result 750 states and 1004 transitions. [2024-11-09 11:30:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:30:29,067 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 101 [2024-11-09 11:30:29,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:29,069 INFO L225 Difference]: With dead ends: 750 [2024-11-09 11:30:29,069 INFO L226 Difference]: Without dead ends: 746 [2024-11-09 11:30:29,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:30:29,070 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 142 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:29,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 303 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-09 11:30:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 555. [2024-11-09 11:30:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 445 states have (on average 1.2044943820224718) internal successors, (536), 460 states have internal predecessors, (536), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-09 11:30:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 722 transitions. [2024-11-09 11:30:29,138 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 722 transitions. Word has length 101 [2024-11-09 11:30:29,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:29,139 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 722 transitions. [2024-11-09 11:30:29,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:30:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 722 transitions. [2024-11-09 11:30:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 11:30:29,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:29,140 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-09 11:30:29,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:29,341 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,SelfDestructingSolverStorable30 [2024-11-09 11:30:29,341 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:29,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:29,342 INFO L85 PathProgramCache]: Analyzing trace with hash 744952956, now seen corresponding path program 2 times [2024-11-09 11:30:29,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:29,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6958418] [2024-11-09 11:30:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:29,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:30:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:30:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:30:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:30:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:30:29,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:29,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6958418] [2024-11-09 11:30:29,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6958418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:29,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:29,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:30:29,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042315150] [2024-11-09 11:30:29,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:29,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:30:29,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:29,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:30:29,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:29,410 INFO L87 Difference]: Start difference. First operand 555 states and 722 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-09 11:30:29,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:29,685 INFO L93 Difference]: Finished difference Result 982 states and 1279 transitions. [2024-11-09 11:30:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:30:29,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 108 [2024-11-09 11:30:29,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:29,688 INFO L225 Difference]: With dead ends: 982 [2024-11-09 11:30:29,688 INFO L226 Difference]: Without dead ends: 597 [2024-11-09 11:30:29,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:29,692 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 29 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:29,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 124 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-09 11:30:29,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2024-11-09 11:30:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 477 states have (on average 1.2033542976939204) internal successors, (574), 492 states have internal predecessors, (574), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 11:30:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 768 transitions. [2024-11-09 11:30:29,738 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 768 transitions. Word has length 108 [2024-11-09 11:30:29,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:29,739 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 768 transitions. [2024-11-09 11:30:29,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-09 11:30:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 768 transitions. [2024-11-09 11:30:29,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 11:30:29,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:29,740 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:29,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 11:30:29,741 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:29,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:29,741 INFO L85 PathProgramCache]: Analyzing trace with hash -723083932, now seen corresponding path program 2 times [2024-11-09 11:30:29,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:29,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644249369] [2024-11-09 11:30:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:29,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:29,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968813560] [2024-11-09 11:30:29,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:30:29,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:29,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:29,754 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) [2024-11-09 11:30:29,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:30:29,804 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:30:29,805 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:29,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:30:29,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 5 proven. 48 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 11:30:30,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:30,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:30,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644249369] [2024-11-09 11:30:30,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:30,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968813560] [2024-11-09 11:30:30,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968813560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:30,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:30,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:30:30,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445179320] [2024-11-09 11:30:30,399 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:30,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:30:30,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:30,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:30:30,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:30:30,400 INFO L87 Difference]: Start difference. First operand 591 states and 768 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:30:31,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:31,843 INFO L93 Difference]: Finished difference Result 1060 states and 1409 transitions. [2024-11-09 11:30:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:30:31,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 136 [2024-11-09 11:30:31,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:31,847 INFO L225 Difference]: With dead ends: 1060 [2024-11-09 11:30:31,847 INFO L226 Difference]: Without dead ends: 1057 [2024-11-09 11:30:31,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:30:31,849 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 246 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:31,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 576 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:30:31,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-09 11:30:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 583. [2024-11-09 11:30:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 469 states have (on average 1.2004264392324093) internal successors, (563), 484 states have internal predecessors, (563), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 11:30:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 757 transitions. [2024-11-09 11:30:31,896 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 757 transitions. Word has length 136 [2024-11-09 11:30:31,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:31,896 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 757 transitions. [2024-11-09 11:30:31,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:30:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 757 transitions. [2024-11-09 11:30:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 11:30:31,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:31,897 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:31,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:32,097 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,SelfDestructingSolverStorable32 [2024-11-09 11:30:32,098 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:32,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:32,099 INFO L85 PathProgramCache]: Analyzing trace with hash -940765355, now seen corresponding path program 2 times [2024-11-09 11:30:32,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:32,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105733101] [2024-11-09 11:30:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:32,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:32,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199315708] [2024-11-09 11:30:32,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:30:32,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:32,117 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) [2024-11-09 11:30:32,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:30:32,167 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:30:32,167 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:32,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:30:32,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 11:30:32,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:32,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:32,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105733101] [2024-11-09 11:30:32,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:32,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199315708] [2024-11-09 11:30:32,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199315708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:32,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:32,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:30:32,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136809004] [2024-11-09 11:30:32,971 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:32,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:32,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:32,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:32,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:30:32,972 INFO L87 Difference]: Start difference. First operand 583 states and 757 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:30:33,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:33,227 INFO L93 Difference]: Finished difference Result 668 states and 863 transitions. [2024-11-09 11:30:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:30:33,228 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 137 [2024-11-09 11:30:33,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:33,230 INFO L225 Difference]: With dead ends: 668 [2024-11-09 11:30:33,230 INFO L226 Difference]: Without dead ends: 665 [2024-11-09 11:30:33,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:30:33,231 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 159 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:33,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 196 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:33,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-09 11:30:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 650. [2024-11-09 11:30:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 524 states have (on average 1.1946564885496183) internal successors, (626), 539 states have internal predecessors, (626), 109 states have call successors, (109), 1 states have call predecessors, (109), 1 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-09 11:30:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 844 transitions. [2024-11-09 11:30:33,279 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 844 transitions. Word has length 137 [2024-11-09 11:30:33,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:33,279 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 844 transitions. [2024-11-09 11:30:33,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:30:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 844 transitions. [2024-11-09 11:30:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 11:30:33,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:33,280 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:33,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-09 11:30:33,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:33,485 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:33,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:33,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2132372105, now seen corresponding path program 2 times [2024-11-09 11:30:33,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:33,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684696955] [2024-11-09 11:30:33,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:33,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:33,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966316708] [2024-11-09 11:30:33,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:30:33,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:33,500 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) [2024-11-09 11:30:33,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:30:33,553 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:30:33,553 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:33,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:30:33,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 11:30:33,912 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:35,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:35,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684696955] [2024-11-09 11:30:35,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:35,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966316708] [2024-11-09 11:30:35,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966316708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:35,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:35,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:30:35,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796660410] [2024-11-09 11:30:35,408 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:35,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:30:35,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:35,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:30:35,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:30:35,409 INFO L87 Difference]: Start difference. First operand 650 states and 844 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:30:36,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:36,064 INFO L93 Difference]: Finished difference Result 670 states and 854 transitions. [2024-11-09 11:30:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:30:36,065 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 139 [2024-11-09 11:30:36,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:36,067 INFO L225 Difference]: With dead ends: 670 [2024-11-09 11:30:36,067 INFO L226 Difference]: Without dead ends: 663 [2024-11-09 11:30:36,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:30:36,069 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 76 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:36,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:30:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-09 11:30:36,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 534. [2024-11-09 11:30:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 429 states have (on average 1.1981351981351982) internal successors, (514), 444 states have internal predecessors, (514), 88 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-09 11:30:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 690 transitions. [2024-11-09 11:30:36,111 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 690 transitions. Word has length 139 [2024-11-09 11:30:36,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:36,111 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 690 transitions. [2024-11-09 11:30:36,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:30:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 690 transitions. [2024-11-09 11:30:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 11:30:36,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:36,112 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:36,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:36,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:36,317 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:36,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:36,317 INFO L85 PathProgramCache]: Analyzing trace with hash -226591731, now seen corresponding path program 3 times [2024-11-09 11:30:36,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:36,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831606069] [2024-11-09 11:30:36,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:36,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:36,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071209698] [2024-11-09 11:30:36,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:30:36,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:36,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:36,352 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) [2024-11-09 11:30:36,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:30:36,423 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:30:36,424 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:36,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:30:36,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 45 proven. 17 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-09 11:30:36,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:37,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:37,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831606069] [2024-11-09 11:30:37,017 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:37,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071209698] [2024-11-09 11:30:37,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071209698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:37,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:37,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:30:37,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216228872] [2024-11-09 11:30:37,017 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:37,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:37,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:37,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:37,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:30:37,018 INFO L87 Difference]: Start difference. First operand 534 states and 690 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:30:37,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:37,775 INFO L93 Difference]: Finished difference Result 692 states and 902 transitions. [2024-11-09 11:30:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:30:37,775 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 139 [2024-11-09 11:30:37,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:37,778 INFO L225 Difference]: With dead ends: 692 [2024-11-09 11:30:37,778 INFO L226 Difference]: Without dead ends: 688 [2024-11-09 11:30:37,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:30:37,778 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 227 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:37,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 290 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:30:37,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-09 11:30:37,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 534. [2024-11-09 11:30:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 429 states have (on average 1.1888111888111887) internal successors, (510), 444 states have internal predecessors, (510), 88 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-09 11:30:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 686 transitions. [2024-11-09 11:30:37,824 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 686 transitions. Word has length 139 [2024-11-09 11:30:37,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:37,824 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 686 transitions. [2024-11-09 11:30:37,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:30:37,824 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 686 transitions. [2024-11-09 11:30:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 11:30:37,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:37,826 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, 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] [2024-11-09 11:30:37,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:30:38,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:30:38,030 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:38,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:38,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1163089504, now seen corresponding path program 3 times [2024-11-09 11:30:38,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:38,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351142798] [2024-11-09 11:30:38,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:38,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:38,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868955084] [2024-11-09 11:30:38,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:30:38,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:38,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:38,046 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) [2024-11-09 11:30:38,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:30:38,144 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 11:30:38,145 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:38,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:30:38,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 99 proven. 61 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 11:30:38,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:40,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:40,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351142798] [2024-11-09 11:30:40,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:40,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868955084] [2024-11-09 11:30:40,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868955084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:40,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:40,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:30:40,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716898147] [2024-11-09 11:30:40,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:40,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:30:40,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:40,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:30:40,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:30:40,134 INFO L87 Difference]: Start difference. First operand 534 states and 686 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:30:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:41,562 INFO L93 Difference]: Finished difference Result 550 states and 708 transitions. [2024-11-09 11:30:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:30:41,565 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 146 [2024-11-09 11:30:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:41,567 INFO L225 Difference]: With dead ends: 550 [2024-11-09 11:30:41,568 INFO L226 Difference]: Without dead ends: 535 [2024-11-09 11:30:41,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:30:41,569 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 226 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:41,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 144 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:30:41,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-09 11:30:41,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 466. [2024-11-09 11:30:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 378 states have (on average 1.1216931216931216) internal successors, (424), 388 states have internal predecessors, (424), 76 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-09 11:30:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 576 transitions. [2024-11-09 11:30:41,614 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 576 transitions. Word has length 146 [2024-11-09 11:30:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:41,615 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 576 transitions. [2024-11-09 11:30:41,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:30:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 576 transitions. [2024-11-09 11:30:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 11:30:41,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:41,616 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 11:30:41,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:41,816 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,SelfDestructingSolverStorable36 [2024-11-09 11:30:41,817 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:41,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:41,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1037518274, now seen corresponding path program 3 times [2024-11-09 11:30:41,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:41,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131348417] [2024-11-09 11:30:41,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:41,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:41,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014058236] [2024-11-09 11:30:41,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:30:41,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:41,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:41,839 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) [2024-11-09 11:30:41,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:30:41,889 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 11:30:41,889 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:41,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:30:41,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 66 proven. 64 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-09 11:30:42,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:42,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:42,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131348417] [2024-11-09 11:30:42,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:42,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014058236] [2024-11-09 11:30:42,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014058236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:42,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:42,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:30:42,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081227590] [2024-11-09 11:30:42,331 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:42,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:30:42,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:42,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:30:42,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:30:42,332 INFO L87 Difference]: Start difference. First operand 466 states and 576 transitions. Second operand has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:30:43,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:43,015 INFO L93 Difference]: Finished difference Result 470 states and 581 transitions. [2024-11-09 11:30:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:30:43,015 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 148 [2024-11-09 11:30:43,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:43,017 INFO L225 Difference]: With dead ends: 470 [2024-11-09 11:30:43,017 INFO L226 Difference]: Without dead ends: 457 [2024-11-09 11:30:43,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:30:43,018 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 172 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:43,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 90 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:30:43,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-09 11:30:43,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 445. [2024-11-09 11:30:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 360 states have (on average 1.1111111111111112) internal successors, (400), 369 states have internal predecessors, (400), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-09 11:30:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 548 transitions. [2024-11-09 11:30:43,060 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 548 transitions. Word has length 148 [2024-11-09 11:30:43,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:43,060 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 548 transitions. [2024-11-09 11:30:43,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:30:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 548 transitions. [2024-11-09 11:30:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 11:30:43,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:43,061 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:43,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:30:43,261 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,SelfDestructingSolverStorable37 [2024-11-09 11:30:43,262 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:43,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:43,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1476468408, now seen corresponding path program 3 times [2024-11-09 11:30:43,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:43,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481071347] [2024-11-09 11:30:43,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:43,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:43,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1402160182] [2024-11-09 11:30:43,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:30:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:43,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:43,278 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) [2024-11-09 11:30:43,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:30:43,316 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:30:43,317 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:43,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:30:43,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-09 11:30:43,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:48,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:48,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481071347] [2024-11-09 11:30:48,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:48,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402160182] [2024-11-09 11:30:48,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402160182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:48,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:48,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:30:48,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354128331] [2024-11-09 11:30:48,360 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:48,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:48,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:48,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:48,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=168, Unknown=1, NotChecked=0, Total=210 [2024-11-09 11:30:48,361 INFO L87 Difference]: Start difference. First operand 445 states and 548 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:30:48,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:48,772 INFO L93 Difference]: Finished difference Result 648 states and 807 transitions. [2024-11-09 11:30:48,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:30:48,773 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 174 [2024-11-09 11:30:48,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:48,775 INFO L225 Difference]: With dead ends: 648 [2024-11-09 11:30:48,775 INFO L226 Difference]: Without dead ends: 644 [2024-11-09 11:30:48,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=110, Invalid=351, Unknown=1, NotChecked=0, Total=462 [2024-11-09 11:30:48,776 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 190 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:48,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 120 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-09 11:30:48,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 555. [2024-11-09 11:30:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 449 states have (on average 1.111358574610245) internal successors, (499), 458 states have internal predecessors, (499), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-09 11:30:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 689 transitions. [2024-11-09 11:30:48,829 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 689 transitions. Word has length 174 [2024-11-09 11:30:48,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:48,830 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 689 transitions. [2024-11-09 11:30:48,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:30:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 689 transitions. [2024-11-09 11:30:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-09 11:30:48,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:48,831 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:48,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:49,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:30:49,035 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:49,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:49,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1756681134, now seen corresponding path program 2 times [2024-11-09 11:30:49,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:49,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279887756] [2024-11-09 11:30:49,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:49,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:30:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:30:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:30:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 11:30:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:30:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:30:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 11:30:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 11:30:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 11:30:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:30:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 11:30:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 11:30:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:49,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 11:30:49,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:49,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279887756] [2024-11-09 11:30:49,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279887756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:49,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440681091] [2024-11-09 11:30:49,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:30:49,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:49,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:49,171 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) [2024-11-09 11:30:49,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:30:49,235 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:30:49,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:49,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:30:49,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 11:30:49,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 11:30:49,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440681091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:49,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:49,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-09 11:30:49,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380133175] [2024-11-09 11:30:49,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:49,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:30:49,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:49,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:30:49,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:30:49,602 INFO L87 Difference]: Start difference. First operand 555 states and 689 transitions. Second operand has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-09 11:30:50,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:50,332 INFO L93 Difference]: Finished difference Result 1457 states and 1838 transitions. [2024-11-09 11:30:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:30:50,332 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 197 [2024-11-09 11:30:50,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:50,337 INFO L225 Difference]: With dead ends: 1457 [2024-11-09 11:30:50,337 INFO L226 Difference]: Without dead ends: 1456 [2024-11-09 11:30:50,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:30:50,337 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 469 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:50,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 423 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:30:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2024-11-09 11:30:50,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1080. [2024-11-09 11:30:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 878 states have (on average 1.1697038724373576) internal successors, (1027), 887 states have internal predecessors, (1027), 191 states have call successors, (191), 1 states have call predecessors, (191), 1 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-09 11:30:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1409 transitions. [2024-11-09 11:30:50,440 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1409 transitions. Word has length 197 [2024-11-09 11:30:50,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:50,440 INFO L471 AbstractCegarLoop]: Abstraction has 1080 states and 1409 transitions. [2024-11-09 11:30:50,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-09 11:30:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1409 transitions. [2024-11-09 11:30:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-09 11:30:50,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:50,441 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:50,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:30:50,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:30:50,642 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:50,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:50,642 INFO L85 PathProgramCache]: Analyzing trace with hash 390752864, now seen corresponding path program 1 times [2024-11-09 11:30:50,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:50,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146106592] [2024-11-09 11:30:50,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:50,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:30:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:30:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:30:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 11:30:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:30:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 11:30:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 11:30:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:30:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 11:30:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 11:30:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 11:30:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 11:30:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 11:30:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 11:30:50,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:50,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146106592] [2024-11-09 11:30:50,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146106592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349461871] [2024-11-09 11:30:50,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:50,800 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) [2024-11-09 11:30:50,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:30:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:50,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:30:50,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-11-09 11:30:50,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 11:30:51,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349461871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:51,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:51,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-09 11:30:51,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15933818] [2024-11-09 11:30:51,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:51,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:30:51,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:51,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:30:51,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:30:51,157 INFO L87 Difference]: Start difference. First operand 1080 states and 1409 transitions. Second operand has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-09 11:30:52,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:52,032 INFO L93 Difference]: Finished difference Result 1750 states and 2285 transitions. [2024-11-09 11:30:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 11:30:52,033 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 212 [2024-11-09 11:30:52,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:52,037 INFO L225 Difference]: With dead ends: 1750 [2024-11-09 11:30:52,037 INFO L226 Difference]: Without dead ends: 1160 [2024-11-09 11:30:52,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 460 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-09 11:30:52,039 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 177 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:52,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 605 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:30:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-09 11:30:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1134. [2024-11-09 11:30:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 922 states have (on average 1.165943600867679) internal successors, (1075), 931 states have internal predecessors, (1075), 201 states have call successors, (201), 1 states have call predecessors, (201), 1 states have return successors, (201), 201 states have call predecessors, (201), 201 states have call successors, (201) [2024-11-09 11:30:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1477 transitions. [2024-11-09 11:30:52,165 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1477 transitions. Word has length 212 [2024-11-09 11:30:52,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:52,165 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1477 transitions. [2024-11-09 11:30:52,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-09 11:30:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1477 transitions. [2024-11-09 11:30:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-09 11:30:52,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:52,167 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:52,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-09 11:30:52,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:52,371 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:52,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:52,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1587931792, now seen corresponding path program 2 times [2024-11-09 11:30:52,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:52,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880065511] [2024-11-09 11:30:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:52,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:30:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:30:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:30:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:30:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:30:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:30:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:30:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:30:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:30:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:30:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:30:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 11:30:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:30:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:30:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 11:30:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 11:30:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 11:30:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:30:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 11:30:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 11:30:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 11:30:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 11:30:52,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:52,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880065511] [2024-11-09 11:30:52,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880065511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:52,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522031044] [2024-11-09 11:30:52,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:30:52,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:52,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:52,526 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) [2024-11-09 11:30:52,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:30:52,584 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:30:52,585 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:52,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:30:52,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 11:30:52,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 11:30:53,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522031044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:53,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:53,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-09 11:30:53,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416681148] [2024-11-09 11:30:53,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:53,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:30:53,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:53,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:30:53,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:30:53,110 INFO L87 Difference]: Start difference. First operand 1134 states and 1477 transitions. Second operand has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-09 11:30:54,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:54,133 INFO L93 Difference]: Finished difference Result 3105 states and 4108 transitions. [2024-11-09 11:30:54,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 11:30:54,134 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 212 [2024-11-09 11:30:54,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:54,142 INFO L225 Difference]: With dead ends: 3105 [2024-11-09 11:30:54,143 INFO L226 Difference]: Without dead ends: 3042 [2024-11-09 11:30:54,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 11:30:54,144 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 873 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:54,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 425 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:30:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2024-11-09 11:30:54,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 1703. [2024-11-09 11:30:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1392 states have (on average 1.1436781609195403) internal successors, (1592), 1401 states have internal predecessors, (1592), 300 states have call successors, (300), 1 states have call predecessors, (300), 1 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-11-09 11:30:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2192 transitions. [2024-11-09 11:30:54,348 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2192 transitions. Word has length 212 [2024-11-09 11:30:54,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:54,348 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2192 transitions. [2024-11-09 11:30:54,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-09 11:30:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2192 transitions. [2024-11-09 11:30:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-09 11:30:54,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:54,350 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:30:54,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:54,550 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,SelfDestructingSolverStorable41 [2024-11-09 11:30:54,551 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:54,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash 336538929, now seen corresponding path program 4 times [2024-11-09 11:30:54,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:54,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591621717] [2024-11-09 11:30:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:54,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698070846] [2024-11-09 11:30:54,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:30:54,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:54,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:54,566 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) [2024-11-09 11:30:54,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:30:54,628 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:30:54,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:54,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:30:54,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 138 proven. 43 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 11:30:55,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:55,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:55,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591621717] [2024-11-09 11:30:55,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:55,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698070846] [2024-11-09 11:30:55,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698070846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:55,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:55,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:30:55,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583179687] [2024-11-09 11:30:55,231 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:55,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:30:55,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:30:55,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:30:55,232 INFO L87 Difference]: Start difference. First operand 1703 states and 2192 transitions. Second operand has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2024-11-09 11:30:56,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:56,463 INFO L93 Difference]: Finished difference Result 2143 states and 2760 transitions. [2024-11-09 11:30:56,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:30:56,464 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) Word has length 221 [2024-11-09 11:30:56,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:56,470 INFO L225 Difference]: With dead ends: 2143 [2024-11-09 11:30:56,473 INFO L226 Difference]: Without dead ends: 2118 [2024-11-09 11:30:56,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:30:56,475 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 163 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:56,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 475 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:30:56,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2024-11-09 11:30:56,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 1669. [2024-11-09 11:30:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1364 states have (on average 1.1407624633431086) internal successors, (1556), 1373 states have internal predecessors, (1556), 294 states have call successors, (294), 1 states have call predecessors, (294), 1 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-09 11:30:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2144 transitions. [2024-11-09 11:30:56,683 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2144 transitions. Word has length 221 [2024-11-09 11:30:56,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:56,683 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2144 transitions. [2024-11-09 11:30:56,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2024-11-09 11:30:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2144 transitions. [2024-11-09 11:30:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-09 11:30:56,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:56,685 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:30:56,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:56,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:56,886 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:30:56,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:56,886 INFO L85 PathProgramCache]: Analyzing trace with hash -922079403, now seen corresponding path program 5 times [2024-11-09 11:30:56,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:56,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730311783] [2024-11-09 11:30:56,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:56,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:56,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526219397] [2024-11-09 11:30:56,913 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:30:56,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:56,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:56,914 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) [2024-11-09 11:30:56,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:30:56,998 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-09 11:30:56,998 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:30:56,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:30:57,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 28 proven. 245 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-09 11:30:57,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:57,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:57,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730311783] [2024-11-09 11:30:57,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:57,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526219397] [2024-11-09 11:30:57,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526219397] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:57,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:57,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-09 11:30:57,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419627690] [2024-11-09 11:30:57,894 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:57,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:30:57,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:57,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:30:57,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:30:57,895 INFO L87 Difference]: Start difference. First operand 1669 states and 2144 transitions. Second operand has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-09 11:31:00,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:00,897 INFO L93 Difference]: Finished difference Result 3787 states and 4962 transitions. [2024-11-09 11:31:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 11:31:00,897 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 259 [2024-11-09 11:31:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:00,907 INFO L225 Difference]: With dead ends: 3787 [2024-11-09 11:31:00,907 INFO L226 Difference]: Without dead ends: 3756 [2024-11-09 11:31:00,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=498, Invalid=2364, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 11:31:00,909 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 503 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 4517 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 4517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:00,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 620 Invalid, 4643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 4517 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 11:31:00,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2024-11-09 11:31:01,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 2412. [2024-11-09 11:31:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 1968 states have (on average 1.1366869918699187) internal successors, (2237), 1977 states have internal predecessors, (2237), 433 states have call successors, (433), 1 states have call predecessors, (433), 1 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-09 11:31:01,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3103 transitions. [2024-11-09 11:31:01,323 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3103 transitions. Word has length 259 [2024-11-09 11:31:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:01,323 INFO L471 AbstractCegarLoop]: Abstraction has 2412 states and 3103 transitions. [2024-11-09 11:31:01,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-09 11:31:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3103 transitions. [2024-11-09 11:31:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-09 11:31:01,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:01,326 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:01,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:01,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:01,530 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:31:01,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1227874804, now seen corresponding path program 1 times [2024-11-09 11:31:01,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:01,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182943728] [2024-11-09 11:31:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:01,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:31:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:31:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:31:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:31:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:31:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:31:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:31:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:31:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:31:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:31:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:31:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 11:31:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 11:31:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:31:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 11:31:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:31:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 11:31:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 11:31:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 11:31:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 11:31:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 11:31:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 11:31:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 11:31:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 11:31:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 11:31:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 11:31:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 64 proven. 249 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-09 11:31:01,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182943728] [2024-11-09 11:31:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182943728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938856614] [2024-11-09 11:31:01,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:01,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:01,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:01,818 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) [2024-11-09 11:31:01,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:31:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:01,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:31:01,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 584 proven. 157 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-11-09 11:31:02,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 144 proven. 157 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2024-11-09 11:31:02,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938856614] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:02,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:02,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-11-09 11:31:02,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257532838] [2024-11-09 11:31:02,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:02,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:31:02,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:02,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:31:02,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:31:02,283 INFO L87 Difference]: Start difference. First operand 2412 states and 3103 transitions. Second operand has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-09 11:31:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:03,446 INFO L93 Difference]: Finished difference Result 3295 states and 4238 transitions. [2024-11-09 11:31:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:31:03,447 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 262 [2024-11-09 11:31:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:03,451 INFO L225 Difference]: With dead ends: 3295 [2024-11-09 11:31:03,451 INFO L226 Difference]: Without dead ends: 1634 [2024-11-09 11:31:03,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 570 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:31:03,454 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 153 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:03,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 812 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:31:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-11-09 11:31:03,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1571. [2024-11-09 11:31:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1276 states have (on average 1.134796238244514) internal successors, (1448), 1285 states have internal predecessors, (1448), 284 states have call successors, (284), 1 states have call predecessors, (284), 1 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-09 11:31:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2016 transitions. [2024-11-09 11:31:03,702 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2016 transitions. Word has length 262 [2024-11-09 11:31:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:03,702 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2016 transitions. [2024-11-09 11:31:03,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-09 11:31:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2016 transitions. [2024-11-09 11:31:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-09 11:31:03,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:03,703 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:31:03,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-09 11:31:03,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-09 11:31:03,908 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:31:03,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash 181554417, now seen corresponding path program 6 times [2024-11-09 11:31:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:03,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144446791] [2024-11-09 11:31:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:03,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:31:03,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925639677] [2024-11-09 11:31:03,943 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 11:31:03,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:03,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:03,947 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:03,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:31:04,047 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-09 11:31:04,047 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:31:04,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:31:04,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 178 proven. 189 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2024-11-09 11:31:04,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:16,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:16,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144446791] [2024-11-09 11:31:16,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:31:16,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925639677] [2024-11-09 11:31:16,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925639677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:16,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:31:16,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:31:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353193443] [2024-11-09 11:31:16,845 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:16,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:31:16,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:16,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:31:16,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=272, Unknown=3, NotChecked=0, Total=342 [2024-11-09 11:31:16,846 INFO L87 Difference]: Start difference. First operand 1571 states and 2016 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 11:31:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:18,203 INFO L93 Difference]: Finished difference Result 1573 states and 2018 transitions. [2024-11-09 11:31:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:31:18,203 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 297 [2024-11-09 11:31:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:18,207 INFO L225 Difference]: With dead ends: 1573 [2024-11-09 11:31:18,207 INFO L226 Difference]: Without dead ends: 1549 [2024-11-09 11:31:18,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=258, Invalid=861, Unknown=3, NotChecked=0, Total=1122 [2024-11-09 11:31:18,208 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 247 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:18,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 119 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:31:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2024-11-09 11:31:18,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 859. [2024-11-09 11:31:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 699 states have (on average 1.0586552217453504) internal successors, (740), 704 states have internal predecessors, (740), 153 states have call successors, (153), 1 states have call predecessors, (153), 1 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2024-11-09 11:31:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1046 transitions. [2024-11-09 11:31:18,357 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1046 transitions. Word has length 297 [2024-11-09 11:31:18,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:18,357 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1046 transitions. [2024-11-09 11:31:18,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 11:31:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1046 transitions. [2024-11-09 11:31:18,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 11:31:18,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:18,359 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:18,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:18,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-09 11:31:18,564 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:31:18,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:18,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1608355544, now seen corresponding path program 2 times [2024-11-09 11:31:18,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:18,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427431544] [2024-11-09 11:31:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:18,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:31:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:31:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:31:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:31:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:31:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:31:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:31:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:31:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:31:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:31:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:31:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 11:31:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:31:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:31:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 11:31:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 11:31:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 11:31:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:31:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 11:31:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 11:31:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 11:31:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 11:31:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 11:31:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 11:31:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 11:31:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 11:31:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 11:31:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 11:31:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-09 11:31:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 11:31:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-09 11:31:18,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:18,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427431544] [2024-11-09 11:31:18,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427431544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:18,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003900566] [2024-11-09 11:31:18,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:31:18,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:18,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:18,820 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:18,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:31:18,939 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:31:18,939 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:31:18,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:31:18,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 196 proven. 363 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-09 11:31:19,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-09 11:31:19,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003900566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:19,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:19,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2024-11-09 11:31:19,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366242228] [2024-11-09 11:31:19,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:19,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:31:19,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:19,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:31:19,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:31:19,411 INFO L87 Difference]: Start difference. First operand 859 states and 1046 transitions. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:31:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:20,755 INFO L93 Difference]: Finished difference Result 1279 states and 1549 transitions. [2024-11-09 11:31:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:31:20,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 300 [2024-11-09 11:31:20,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:20,757 INFO L225 Difference]: With dead ends: 1279 [2024-11-09 11:31:20,757 INFO L226 Difference]: Without dead ends: 728 [2024-11-09 11:31:20,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 653 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:31:20,758 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 177 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:20,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1104 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:31:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-09 11:31:20,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 631. [2024-11-09 11:31:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 511 states have (on average 1.0528375733855186) internal successors, (538), 516 states have internal predecessors, (538), 113 states have call successors, (113), 1 states have call predecessors, (113), 1 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 11:31:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 764 transitions. [2024-11-09 11:31:20,854 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 764 transitions. Word has length 300 [2024-11-09 11:31:20,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:20,854 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 764 transitions. [2024-11-09 11:31:20,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:31:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 764 transitions. [2024-11-09 11:31:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-09 11:31:20,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:20,856 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:20,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-09 11:31:21,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-09 11:31:21,056 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:31:21,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:21,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1211731780, now seen corresponding path program 3 times [2024-11-09 11:31:21,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:21,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088944961] [2024-11-09 11:31:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:21,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:31:21,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [650807734] [2024-11-09 11:31:21,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:31:21,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:21,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:21,078 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:21,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:31:21,225 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:31:21,225 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:31:21,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:31:21,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 405 proven. 48 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2024-11-09 11:31:21,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:22,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:22,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088944961] [2024-11-09 11:31:22,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:31:22,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650807734] [2024-11-09 11:31:22,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650807734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:22,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:31:22,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:31:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184110463] [2024-11-09 11:31:22,214 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:22,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:31:22,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:31:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:31:22,215 INFO L87 Difference]: Start difference. First operand 631 states and 764 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:31:22,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:22,946 INFO L93 Difference]: Finished difference Result 631 states and 764 transitions. [2024-11-09 11:31:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:31:22,947 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 338 [2024-11-09 11:31:22,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:22,949 INFO L225 Difference]: With dead ends: 631 [2024-11-09 11:31:22,949 INFO L226 Difference]: Without dead ends: 627 [2024-11-09 11:31:22,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:31:22,951 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 92 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:22,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 335 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:31:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-09 11:31:23,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2024-11-09 11:31:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 511 states have (on average 1.0371819960861057) internal successors, (530), 512 states have internal predecessors, (530), 113 states have call successors, (113), 1 states have call predecessors, (113), 1 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 11:31:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 756 transitions. [2024-11-09 11:31:23,051 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 756 transitions. Word has length 338 [2024-11-09 11:31:23,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:23,051 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 756 transitions. [2024-11-09 11:31:23,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:31:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 756 transitions. [2024-11-09 11:31:23,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-11-09 11:31:23,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:23,053 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-11-09 11:31:23,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:23,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:23,254 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:31:23,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:23,254 INFO L85 PathProgramCache]: Analyzing trace with hash -357747614, now seen corresponding path program 1 times [2024-11-09 11:31:23,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:23,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539436662] [2024-11-09 11:31:23,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:23,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:31:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:31:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:31:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:31:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:31:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:31:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:31:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:31:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:31:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:31:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:31:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 11:31:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:31:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:31:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 11:31:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 11:31:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 11:31:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:31:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 11:31:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 11:31:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 11:31:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-09 11:31:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 11:31:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 11:31:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 11:31:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 11:31:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 11:31:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 11:31:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-09 11:31:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 11:31:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 11:31:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 11:31:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-09 11:31:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-09 11:31:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-09 11:31:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-09 11:31:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 11:31:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-09 11:31:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-09 11:31:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2024-11-09 11:31:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-09 11:31:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 378 proven. 171 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2024-11-09 11:31:23,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:23,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539436662] [2024-11-09 11:31:23,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539436662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:23,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998458436] [2024-11-09 11:31:23,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:23,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:23,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:23,467 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:23,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:31:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:31:23,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 789 proven. 657 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2024-11-09 11:31:23,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 181 proven. 657 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-09 11:31:24,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998458436] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:24,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:24,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 13] total 23 [2024-11-09 11:31:24,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483606942] [2024-11-09 11:31:24,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:24,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 11:31:24,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:24,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 11:31:24,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:31:24,366 INFO L87 Difference]: Start difference. First operand 627 states and 756 transitions. Second operand has 23 states, 23 states have (on average 13.956521739130435) internal successors, (321), 23 states have internal predecessors, (321), 19 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 19 states have call predecessors, (73), 19 states have call successors, (73) [2024-11-09 11:31:27,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:27,803 INFO L93 Difference]: Finished difference Result 1329 states and 1599 transitions. [2024-11-09 11:31:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 11:31:27,804 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 13.956521739130435) internal successors, (321), 23 states have internal predecessors, (321), 19 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 19 states have call predecessors, (73), 19 states have call successors, (73) Word has length 397 [2024-11-09 11:31:27,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:27,806 INFO L225 Difference]: With dead ends: 1329 [2024-11-09 11:31:27,806 INFO L226 Difference]: Without dead ends: 1057 [2024-11-09 11:31:27,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 953 GetRequests, 865 SyntacticMatches, 7 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1671 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1373, Invalid=5433, Unknown=0, NotChecked=0, Total=6806 [2024-11-09 11:31:27,809 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 783 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 3711 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 3711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:27,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1814 Invalid, 3898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 3711 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 11:31:27,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-09 11:31:27,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 834. [2024-11-09 11:31:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 681 states have (on average 1.0352422907488987) internal successors, (705), 681 states have internal predecessors, (705), 151 states have call successors, (151), 1 states have call predecessors, (151), 1 states have return successors, (151), 151 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-09 11:31:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1007 transitions. [2024-11-09 11:31:27,952 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1007 transitions. Word has length 397 [2024-11-09 11:31:27,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:27,953 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1007 transitions. [2024-11-09 11:31:27,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 13.956521739130435) internal successors, (321), 23 states have internal predecessors, (321), 19 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 19 states have call predecessors, (73), 19 states have call successors, (73) [2024-11-09 11:31:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1007 transitions. [2024-11-09 11:31:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-11-09 11:31:27,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:27,955 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:27,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:28,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-09 11:31:28,156 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:31:28,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:28,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2046698588, now seen corresponding path program 3 times [2024-11-09 11:31:28,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:28,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84268109] [2024-11-09 11:31:28,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:28,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:31:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:31:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:31:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:31:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:31:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:31:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:31:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:31:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:31:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:31:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:31:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 11:31:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:31:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:31:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 11:31:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 11:31:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 11:31:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:31:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 11:31:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 11:31:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-09 11:31:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-09 11:31:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 11:31:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 11:31:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 11:31:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-09 11:31:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 11:31:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 11:31:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 11:31:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-09 11:31:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 11:31:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-09 11:31:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-09 11:31:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-09 11:31:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-09 11:31:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-09 11:31:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 11:31:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-09 11:31:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-09 11:31:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2024-11-09 11:31:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-09 11:31:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 0 proven. 851 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-09 11:31:28,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:28,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84268109] [2024-11-09 11:31:28,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84268109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:28,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547671840] [2024-11-09 11:31:28,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:31:28,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:28,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:28,523 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:28,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:31:28,576 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 11:31:28,577 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:31:28,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 11:31:28,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 363 proven. 289 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2024-11-09 11:31:29,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:29,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547671840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:29,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:31:29,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 26 [2024-11-09 11:31:29,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96815269] [2024-11-09 11:31:29,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:29,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 11:31:29,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:29,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 11:31:29,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 11:31:29,685 INFO L87 Difference]: Start difference. First operand 834 states and 1007 transitions. Second operand has 27 states, 25 states have (on average 10.8) internal successors, (270), 26 states have internal predecessors, (270), 16 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (57), 17 states have call predecessors, (57), 16 states have call successors, (57)