./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.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 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:05:39,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:05:39,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:05:39,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:05:39,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:05:39,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:05:39,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:05:39,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:05:39,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:05:39,952 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:05:39,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:05:39,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:05:39,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:05:39,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:05:39,954 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:05:39,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:05:39,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:05:39,954 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:05:39,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:05:39,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:05:39,955 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:05:39,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:05:39,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:05:39,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:05:39,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:05:39,957 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd [2025-03-09 02:05:40,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:05:40,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:05:40,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:05:40,197 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:05:40,197 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:05:40,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2025-03-09 02:05:41,347 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eebc7bd/ad9c8c6dc0ac4cbb8e840b0daff61c09/FLAGc60cb31a8 [2025-03-09 02:05:41,551 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:05:41,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2025-03-09 02:05:41,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eebc7bd/ad9c8c6dc0ac4cbb8e840b0daff61c09/FLAGc60cb31a8 [2025-03-09 02:05:41,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eebc7bd/ad9c8c6dc0ac4cbb8e840b0daff61c09 [2025-03-09 02:05:41,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:05:41,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:05:41,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:05:41,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:05:41,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:05:41,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa72034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41, skipping insertion in model container [2025-03-09 02:05:41,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:05:41,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:05:41,764 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:05:41,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:05:41,804 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:05:41,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41 WrapperNode [2025-03-09 02:05:41,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:05:41,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:05:41,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:05:41,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:05:41,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,844 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-03-09 02:05:41,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:05:41,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:05:41,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:05:41,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:05:41,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,868 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]. [2025-03-09 02:05:41,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:05:41,882 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:05:41,882 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:05:41,882 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:05:41,883 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (1/1) ... [2025-03-09 02:05:41,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:05:41,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:41,905 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) [2025-03-09 02:05:41,910 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 [2025-03-09 02:05:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:05:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:05:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:05:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:05:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:05:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:05:41,959 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:05:41,960 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:05:42,491 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-03-09 02:05:42,491 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:05:42,508 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:05:42,510 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:05:42,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:05:42 BoogieIcfgContainer [2025-03-09 02:05:42,511 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:05:42,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:05:42,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:05:42,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:05:42,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:05:41" (1/3) ... [2025-03-09 02:05:42,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cb7b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:05:42, skipping insertion in model container [2025-03-09 02:05:42,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:41" (2/3) ... [2025-03-09 02:05:42,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cb7b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:05:42, skipping insertion in model container [2025-03-09 02:05:42,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:05:42" (3/3) ... [2025-03-09 02:05:42,520 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound100.c [2025-03-09 02:05:42,531 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:05:42,532 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound100.c that has 2 procedures, 302 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-03-09 02:05:42,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:05:42,604 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;@7d1a7ee9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:05:42,605 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-03-09 02:05:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 151 states have (on average 1.9403973509933774) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-09 02:05:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:05:42,614 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:42,614 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:05:42,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:42,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:42,620 INFO L85 PathProgramCache]: Analyzing trace with hash 312024932, now seen corresponding path program 1 times [2025-03-09 02:05:42,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:42,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128935265] [2025-03-09 02:05:42,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:42,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:05:42,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:05:42,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:42,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:05:42,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:42,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128935265] [2025-03-09 02:05:42,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128935265] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:42,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:42,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:42,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156395231] [2025-03-09 02:05:42,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:42,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:05:42,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:42,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:05:42,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:05:42,753 INFO L87 Difference]: Start difference. First operand has 302 states, 151 states have (on average 1.9403973509933774) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:42,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:42,795 INFO L93 Difference]: Finished difference Result 593 states and 636 transitions. [2025-03-09 02:05:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:05:42,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 02:05:42,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:42,803 INFO L225 Difference]: With dead ends: 593 [2025-03-09 02:05:42,803 INFO L226 Difference]: Without dead ends: 288 [2025-03-09 02:05:42,807 INFO L434 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 [2025-03-09 02:05:42,812 INFO L435 NwaCegarLoop]: 304 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, 304 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 [2025-03-09 02:05:42,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:05:42,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-03-09 02:05:42,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2025-03-09 02:05:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:05:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2025-03-09 02:05:42,891 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2025-03-09 02:05:42,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:42,892 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2025-03-09 02:05:42,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2025-03-09 02:05:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:05:42,893 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:42,894 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:05:42,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 02:05:42,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:42,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:42,894 INFO L85 PathProgramCache]: Analyzing trace with hash 312025893, now seen corresponding path program 1 times [2025-03-09 02:05:42,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:42,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891679517] [2025-03-09 02:05:42,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:42,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:42,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:05:42,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:05:42,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:42,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:42,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:05:42,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:42,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891679517] [2025-03-09 02:05:42,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891679517] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:42,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:42,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:42,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799589457] [2025-03-09 02:05:42,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:42,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:42,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:42,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:42,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:42,967 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:43,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:43,110 INFO L93 Difference]: Finished difference Result 556 states and 575 transitions. [2025-03-09 02:05:43,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:43,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 02:05:43,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:43,114 INFO L225 Difference]: With dead ends: 556 [2025-03-09 02:05:43,115 INFO L226 Difference]: Without dead ends: 536 [2025-03-09 02:05:43,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:43,116 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:43,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 520 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:43,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-03-09 02:05:43,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 346. [2025-03-09 02:05:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 199 states have (on average 1.7989949748743719) internal successors, (358), 329 states have internal predecessors, (358), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:05:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 388 transitions. [2025-03-09 02:05:43,142 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 388 transitions. Word has length 5 [2025-03-09 02:05:43,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:43,142 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 388 transitions. [2025-03-09 02:05:43,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 388 transitions. [2025-03-09 02:05:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:05:43,143 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:43,143 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:43,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:05:43,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:43,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash -857936794, now seen corresponding path program 1 times [2025-03-09 02:05:43,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:43,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859435569] [2025-03-09 02:05:43,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:43,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:43,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:05:43,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:05:43,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:43,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:43,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1520843983] [2025-03-09 02:05:43,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:43,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:43,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:43,196 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) [2025-03-09 02:05:43,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:05:43,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:05:43,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:05:43,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:43,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:43,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:43,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:43,369 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:43,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:43,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859435569] [2025-03-09 02:05:43,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:43,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520843983] [2025-03-09 02:05:43,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520843983] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:43,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:43,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:43,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140322089] [2025-03-09 02:05:43,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:43,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:43,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:43,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:43,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:43,373 INFO L87 Difference]: Start difference. First operand 346 states and 388 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:43,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:43,762 INFO L93 Difference]: Finished difference Result 506 states and 563 transitions. [2025-03-09 02:05:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:43,763 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2025-03-09 02:05:43,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:43,765 INFO L225 Difference]: With dead ends: 506 [2025-03-09 02:05:43,765 INFO L226 Difference]: Without dead ends: 451 [2025-03-09 02:05:43,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:43,766 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:43,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 267 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:43,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-09 02:05:43,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 431. [2025-03-09 02:05:43,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.6523297491039426) internal successors, (461), 409 states have internal predecessors, (461), 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) [2025-03-09 02:05:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 501 transitions. [2025-03-09 02:05:43,784 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 501 transitions. Word has length 38 [2025-03-09 02:05:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:43,785 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 501 transitions. [2025-03-09 02:05:43,785 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 501 transitions. [2025-03-09 02:05:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-09 02:05:43,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:43,785 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:43,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:05:43,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:43,990 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:43,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:43,990 INFO L85 PathProgramCache]: Analyzing trace with hash 156468804, now seen corresponding path program 1 times [2025-03-09 02:05:43,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:43,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168859061] [2025-03-09 02:05:43,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:43,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:43,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:05:44,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:05:44,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:44,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:44,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:44,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168859061] [2025-03-09 02:05:44,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168859061] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:44,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:44,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:44,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742888191] [2025-03-09 02:05:44,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:44,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:44,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:44,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:44,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:44,114 INFO L87 Difference]: Start difference. First operand 431 states and 501 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:44,373 INFO L93 Difference]: Finished difference Result 464 states and 508 transitions. [2025-03-09 02:05:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:44,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-03-09 02:05:44,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:44,377 INFO L225 Difference]: With dead ends: 464 [2025-03-09 02:05:44,377 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:05:44,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:44,378 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:44,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:44,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:05:44,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-09 02:05:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5698924731182795) internal successors, (438), 409 states have internal predecessors, (438), 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) [2025-03-09 02:05:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 478 transitions. [2025-03-09 02:05:44,399 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 478 transitions. Word has length 40 [2025-03-09 02:05:44,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:44,400 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 478 transitions. [2025-03-09 02:05:44,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 478 transitions. [2025-03-09 02:05:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-09 02:05:44,401 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:44,401 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:44,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 02:05:44,401 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:44,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:44,402 INFO L85 PathProgramCache]: Analyzing trace with hash 42672162, now seen corresponding path program 1 times [2025-03-09 02:05:44,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:44,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031724650] [2025-03-09 02:05:44,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:44,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-09 02:05:44,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 02:05:44,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:44,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:44,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:44,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031724650] [2025-03-09 02:05:44,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031724650] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:44,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:44,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:44,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246585164] [2025-03-09 02:05:44,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:44,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:44,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:44,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:44,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:44,524 INFO L87 Difference]: Start difference. First operand 431 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:44,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:44,857 INFO L93 Difference]: Finished difference Result 443 states and 485 transitions. [2025-03-09 02:05:44,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:44,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-03-09 02:05:44,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:44,860 INFO L225 Difference]: With dead ends: 443 [2025-03-09 02:05:44,860 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:05:44,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:44,860 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:44,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 367 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:44,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:05:44,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-09 02:05:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5627240143369177) internal successors, (436), 409 states have internal predecessors, (436), 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) [2025-03-09 02:05:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 476 transitions. [2025-03-09 02:05:44,873 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 476 transitions. Word has length 42 [2025-03-09 02:05:44,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:44,873 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 476 transitions. [2025-03-09 02:05:44,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 476 transitions. [2025-03-09 02:05:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-09 02:05:44,874 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:44,874 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:44,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 02:05:44,874 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:44,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:44,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1322837233, now seen corresponding path program 1 times [2025-03-09 02:05:44,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:44,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835023896] [2025-03-09 02:05:44,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:44,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:44,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-09 02:05:44,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-09 02:05:44,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:44,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:44,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:44,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835023896] [2025-03-09 02:05:44,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835023896] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:44,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:44,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:44,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44848064] [2025-03-09 02:05:44,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:44,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:44,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:44,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:44,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:44,965 INFO L87 Difference]: Start difference. First operand 431 states and 476 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:46,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:46,370 INFO L93 Difference]: Finished difference Result 443 states and 483 transitions. [2025-03-09 02:05:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:46,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2025-03-09 02:05:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:46,373 INFO L225 Difference]: With dead ends: 443 [2025-03-09 02:05:46,373 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:05:46,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:46,374 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 136 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:46,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 448 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-09 02:05:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:05:46,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-09 02:05:46,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5555555555555556) internal successors, (434), 409 states have internal predecessors, (434), 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) [2025-03-09 02:05:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 474 transitions. [2025-03-09 02:05:46,386 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 474 transitions. Word has length 43 [2025-03-09 02:05:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:46,386 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 474 transitions. [2025-03-09 02:05:46,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 474 transitions. [2025-03-09 02:05:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-09 02:05:46,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:46,387 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:46,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:05:46,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:46,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1975692322, now seen corresponding path program 1 times [2025-03-09 02:05:46,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:46,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237908408] [2025-03-09 02:05:46,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:46,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:05:46,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:05:46,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:46,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:46,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [472875441] [2025-03-09 02:05:46,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:46,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:46,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:46,417 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) [2025-03-09 02:05:46,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:05:46,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:05:46,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:05:46,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:46,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:46,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:05:46,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:46,662 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:46,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:46,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237908408] [2025-03-09 02:05:46,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:46,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472875441] [2025-03-09 02:05:46,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472875441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:46,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:46,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:46,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370849803] [2025-03-09 02:05:46,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:46,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:46,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:46,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:46,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:46,663 INFO L87 Difference]: Start difference. First operand 431 states and 474 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:47,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:47,027 INFO L93 Difference]: Finished difference Result 448 states and 481 transitions. [2025-03-09 02:05:47,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:47,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-03-09 02:05:47,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:47,029 INFO L225 Difference]: With dead ends: 448 [2025-03-09 02:05:47,029 INFO L226 Difference]: Without dead ends: 439 [2025-03-09 02:05:47,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:47,030 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:47,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 257 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-09 02:05:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 434. [2025-03-09 02:05:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5283687943262412) internal successors, (431), 412 states have internal predecessors, (431), 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) [2025-03-09 02:05:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 471 transitions. [2025-03-09 02:05:47,051 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 471 transitions. Word has length 46 [2025-03-09 02:05:47,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:47,051 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 471 transitions. [2025-03-09 02:05:47,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 471 transitions. [2025-03-09 02:05:47,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-09 02:05:47,052 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:47,052 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:47,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:47,253 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,SelfDestructingSolverStorable6 [2025-03-09 02:05:47,253 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:47,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:47,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1116919635, now seen corresponding path program 1 times [2025-03-09 02:05:47,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:47,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690612780] [2025-03-09 02:05:47,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:47,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-09 02:05:47,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-09 02:05:47,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:47,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:47,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:47,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690612780] [2025-03-09 02:05:47,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690612780] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:47,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:47,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:47,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601540091] [2025-03-09 02:05:47,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:47,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:47,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:47,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:47,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:47,352 INFO L87 Difference]: Start difference. First operand 434 states and 471 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:47,827 INFO L93 Difference]: Finished difference Result 447 states and 472 transitions. [2025-03-09 02:05:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:47,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-03-09 02:05:47,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:47,830 INFO L225 Difference]: With dead ends: 447 [2025-03-09 02:05:47,830 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:05:47,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:47,831 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 132 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:47,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 384 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:47,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:05:47,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 434. [2025-03-09 02:05:47,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5070921985815602) internal successors, (425), 412 states have internal predecessors, (425), 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) [2025-03-09 02:05:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 465 transitions. [2025-03-09 02:05:47,845 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 465 transitions. Word has length 47 [2025-03-09 02:05:47,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:47,846 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 465 transitions. [2025-03-09 02:05:47,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 465 transitions. [2025-03-09 02:05:47,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-09 02:05:47,847 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:47,847 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:47,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 02:05:47,847 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:47,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:47,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2088594537, now seen corresponding path program 1 times [2025-03-09 02:05:47,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:47,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004865933] [2025-03-09 02:05:47,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:47,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:47,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-09 02:05:47,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-09 02:05:47,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:47,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:47,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:47,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004865933] [2025-03-09 02:05:47,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004865933] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:47,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:47,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:47,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844221790] [2025-03-09 02:05:47,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:47,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:47,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:47,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:47,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:47,978 INFO L87 Difference]: Start difference. First operand 434 states and 465 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:48,352 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2025-03-09 02:05:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:48,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-03-09 02:05:48,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:48,354 INFO L225 Difference]: With dead ends: 445 [2025-03-09 02:05:48,354 INFO L226 Difference]: Without dead ends: 372 [2025-03-09 02:05:48,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:48,354 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:48,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 269 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:48,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-09 02:05:48,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 368. [2025-03-09 02:05:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 349 states have internal predecessors, (356), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 390 transitions. [2025-03-09 02:05:48,364 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 390 transitions. Word has length 51 [2025-03-09 02:05:48,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:48,364 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 390 transitions. [2025-03-09 02:05:48,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 390 transitions. [2025-03-09 02:05:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-09 02:05:48,367 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:48,367 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:48,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 02:05:48,367 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:48,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:48,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1053201178, now seen corresponding path program 1 times [2025-03-09 02:05:48,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:48,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277583815] [2025-03-09 02:05:48,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:48,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-09 02:05:48,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-09 02:05:48,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:48,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:48,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:48,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277583815] [2025-03-09 02:05:48,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277583815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:48,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:48,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:48,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387036886] [2025-03-09 02:05:48,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:48,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:48,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:48,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:48,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:48,433 INFO L87 Difference]: Start difference. First operand 368 states and 390 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2025-03-09 02:05:48,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:48,679 INFO L93 Difference]: Finished difference Result 368 states and 390 transitions. [2025-03-09 02:05:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:48,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2025-03-09 02:05:48,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:48,681 INFO L225 Difference]: With dead ends: 368 [2025-03-09 02:05:48,681 INFO L226 Difference]: Without dead ends: 361 [2025-03-09 02:05:48,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:48,682 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:48,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 155 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:48,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-09 02:05:48,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-09 02:05:48,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 219 states have (on average 1.5936073059360731) internal successors, (349), 342 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 383 transitions. [2025-03-09 02:05:48,690 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 383 transitions. Word has length 83 [2025-03-09 02:05:48,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:48,690 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 383 transitions. [2025-03-09 02:05:48,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2025-03-09 02:05:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 383 transitions. [2025-03-09 02:05:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-09 02:05:48,691 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:48,691 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:48,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 02:05:48,691 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:48,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:48,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1710501997, now seen corresponding path program 1 times [2025-03-09 02:05:48,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:48,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298574078] [2025-03-09 02:05:48,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:48,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:05:48,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:05:48,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:48,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:48,749 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:48,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:48,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298574078] [2025-03-09 02:05:48,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298574078] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:48,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:48,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:48,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589323574] [2025-03-09 02:05:48,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:48,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:48,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:48,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:48,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:48,750 INFO L87 Difference]: Start difference. First operand 361 states and 383 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-03-09 02:05:48,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:48,949 INFO L93 Difference]: Finished difference Result 368 states and 386 transitions. [2025-03-09 02:05:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:48,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-03-09 02:05:48,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:48,952 INFO L225 Difference]: With dead ends: 368 [2025-03-09 02:05:48,952 INFO L226 Difference]: Without dead ends: 367 [2025-03-09 02:05:48,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:48,953 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:48,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 392 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:48,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-03-09 02:05:48,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2025-03-09 02:05:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2025-03-09 02:05:48,963 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2025-03-09 02:05:48,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:48,963 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2025-03-09 02:05:48,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-03-09 02:05:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2025-03-09 02:05:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:05:48,965 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:48,965 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:48,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 02:05:48,965 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:48,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:48,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1214160528, now seen corresponding path program 1 times [2025-03-09 02:05:48,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:48,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814177830] [2025-03-09 02:05:48,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:48,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:48,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:05:48,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:05:48,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:48,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:49,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:49,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814177830] [2025-03-09 02:05:49,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814177830] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:49,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:49,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:49,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769904843] [2025-03-09 02:05:49,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:49,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:49,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:49,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:49,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:49,039 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:05:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:49,103 INFO L93 Difference]: Finished difference Result 363 states and 385 transitions. [2025-03-09 02:05:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:49,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2025-03-09 02:05:49,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:49,105 INFO L225 Difference]: With dead ends: 363 [2025-03-09 02:05:49,105 INFO L226 Difference]: Without dead ends: 361 [2025-03-09 02:05:49,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:49,106 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:49,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 262 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-09 02:05:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-09 02:05:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5701357466063348) internal successors, (347), 342 states have internal predecessors, (347), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 381 transitions. [2025-03-09 02:05:49,114 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 381 transitions. Word has length 86 [2025-03-09 02:05:49,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:49,114 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 381 transitions. [2025-03-09 02:05:49,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:05:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 381 transitions. [2025-03-09 02:05:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-09 02:05:49,115 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:49,115 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:49,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 02:05:49,115 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:49,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:49,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1485954615, now seen corresponding path program 1 times [2025-03-09 02:05:49,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:49,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239562470] [2025-03-09 02:05:49,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:49,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:49,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:05:49,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:05:49,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:49,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:49,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:49,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239562470] [2025-03-09 02:05:49,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239562470] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:49,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940507422] [2025-03-09 02:05:49,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:49,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:49,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:49,181 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) [2025-03-09 02:05:49,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:05:49,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:05:49,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:05:49,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:49,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:05:49,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:49,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:49,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940507422] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:49,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:49,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 02:05:49,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489668305] [2025-03-09 02:05:49,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:49,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:49,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:49,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:49,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:49,298 INFO L87 Difference]: Start difference. First operand 361 states and 381 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2025-03-09 02:05:49,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:49,383 INFO L93 Difference]: Finished difference Result 365 states and 381 transitions. [2025-03-09 02:05:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:49,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-03-09 02:05:49,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:49,384 INFO L225 Difference]: With dead ends: 365 [2025-03-09 02:05:49,384 INFO L226 Difference]: Without dead ends: 357 [2025-03-09 02:05:49,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:49,385 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 258 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:49,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 394 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:49,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-09 02:05:49,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2025-03-09 02:05:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5339366515837105) internal successors, (339), 334 states have internal predecessors, (339), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:49,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 373 transitions. [2025-03-09 02:05:49,392 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 373 transitions. Word has length 85 [2025-03-09 02:05:49,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:49,393 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 373 transitions. [2025-03-09 02:05:49,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2025-03-09 02:05:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 373 transitions. [2025-03-09 02:05:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-09 02:05:49,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:49,394 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:49,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:49,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:49,595 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:49,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:49,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1015729430, now seen corresponding path program 1 times [2025-03-09 02:05:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533311259] [2025-03-09 02:05:49,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:49,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:49,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:05:49,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:05:49,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:49,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:49,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:49,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533311259] [2025-03-09 02:05:49,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533311259] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:49,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:49,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:05:49,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144903678] [2025-03-09 02:05:49,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:49,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:49,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:49,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:49,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:49,670 INFO L87 Difference]: Start difference. First operand 353 states and 373 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:05:49,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:49,794 INFO L93 Difference]: Finished difference Result 357 states and 373 transitions. [2025-03-09 02:05:49,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:49,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2025-03-09 02:05:49,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:49,796 INFO L225 Difference]: With dead ends: 357 [2025-03-09 02:05:49,796 INFO L226 Difference]: Without dead ends: 353 [2025-03-09 02:05:49,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:49,797 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 48 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:49,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 700 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:49,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-03-09 02:05:49,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2025-03-09 02:05:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 219 states have (on average 1.5296803652968036) internal successors, (335), 332 states have internal predecessors, (335), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 369 transitions. [2025-03-09 02:05:49,806 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 369 transitions. Word has length 87 [2025-03-09 02:05:49,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:49,807 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 369 transitions. [2025-03-09 02:05:49,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:05:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 369 transitions. [2025-03-09 02:05:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:05:49,807 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:49,808 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:49,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 02:05:49,808 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:49,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:49,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1180046933, now seen corresponding path program 1 times [2025-03-09 02:05:49,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:49,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725832119] [2025-03-09 02:05:49,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:49,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:49,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:05:49,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:05:49,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:49,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:49,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:49,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725832119] [2025-03-09 02:05:49,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725832119] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:49,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243487637] [2025-03-09 02:05:49,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:49,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:49,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:49,870 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) [2025-03-09 02:05:49,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:05:49,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:05:49,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:05:49,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:49,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:05:49,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:49,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:50,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243487637] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:50,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:50,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-09 02:05:50,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73425634] [2025-03-09 02:05:50,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:50,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:05:50,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:50,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:05:50,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:50,113 INFO L87 Difference]: Start difference. First operand 351 states and 369 transitions. Second operand has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:05:50,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:50,249 INFO L93 Difference]: Finished difference Result 610 states and 648 transitions. [2025-03-09 02:05:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:50,249 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 86 [2025-03-09 02:05:50,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:50,251 INFO L225 Difference]: With dead ends: 610 [2025-03-09 02:05:50,252 INFO L226 Difference]: Without dead ends: 602 [2025-03-09 02:05:50,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:50,252 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 467 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:50,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 743 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:50,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-03-09 02:05:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 409. [2025-03-09 02:05:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 278 states have (on average 1.5215827338129497) internal successors, (423), 385 states have internal predecessors, (423), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:05:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 467 transitions. [2025-03-09 02:05:50,264 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 467 transitions. Word has length 86 [2025-03-09 02:05:50,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:50,265 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 467 transitions. [2025-03-09 02:05:50,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:05:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 467 transitions. [2025-03-09 02:05:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-09 02:05:50,265 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:50,266 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:50,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 02:05:50,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 02:05:50,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:50,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:50,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1503557041, now seen corresponding path program 1 times [2025-03-09 02:05:50,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:50,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380823386] [2025-03-09 02:05:50,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:50,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:50,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-09 02:05:50,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:05:50,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:50,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:50,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519730976] [2025-03-09 02:05:50,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:50,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:50,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:50,491 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) [2025-03-09 02:05:50,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:05:50,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-09 02:05:50,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:05:50,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:50,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:50,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:50,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:50,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:50,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:50,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380823386] [2025-03-09 02:05:50,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:50,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519730976] [2025-03-09 02:05:50,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519730976] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:50,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:50,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-09 02:05:50,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611311485] [2025-03-09 02:05:50,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:50,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:05:50,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:50,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:05:50,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:05:50,784 INFO L87 Difference]: Start difference. First operand 409 states and 467 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:05:50,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:50,961 INFO L93 Difference]: Finished difference Result 612 states and 644 transitions. [2025-03-09 02:05:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:50,961 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 97 [2025-03-09 02:05:50,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:50,964 INFO L225 Difference]: With dead ends: 612 [2025-03-09 02:05:50,964 INFO L226 Difference]: Without dead ends: 607 [2025-03-09 02:05:50,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:50,964 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1094 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:50,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 784 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-03-09 02:05:50,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 414. [2025-03-09 02:05:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 286 states have (on average 1.479020979020979) internal successors, (423), 389 states have internal predecessors, (423), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:05:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 469 transitions. [2025-03-09 02:05:50,976 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 469 transitions. Word has length 97 [2025-03-09 02:05:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:50,977 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 469 transitions. [2025-03-09 02:05:50,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:05:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 469 transitions. [2025-03-09 02:05:50,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 02:05:50,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:50,978 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:50,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 02:05:51,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 02:05:51,179 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:51,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:51,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1039189943, now seen corresponding path program 1 times [2025-03-09 02:05:51,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:51,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548305320] [2025-03-09 02:05:51,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:51,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:51,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:05:51,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:05:51,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:51,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:05:51,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:51,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548305320] [2025-03-09 02:05:51,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548305320] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:51,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:51,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:05:51,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752309776] [2025-03-09 02:05:51,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:51,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:51,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:51,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:51,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:51,322 INFO L87 Difference]: Start difference. First operand 414 states and 469 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:51,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:51,467 INFO L93 Difference]: Finished difference Result 420 states and 472 transitions. [2025-03-09 02:05:51,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:51,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2025-03-09 02:05:51,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:51,469 INFO L225 Difference]: With dead ends: 420 [2025-03-09 02:05:51,469 INFO L226 Difference]: Without dead ends: 392 [2025-03-09 02:05:51,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:51,470 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 456 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:51,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 400 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:51,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-09 02:05:51,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-03-09 02:05:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 268 states have (on average 1.4962686567164178) internal successors, (401), 369 states have internal predecessors, (401), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:05:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 443 transitions. [2025-03-09 02:05:51,483 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 443 transitions. Word has length 103 [2025-03-09 02:05:51,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:51,483 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 443 transitions. [2025-03-09 02:05:51,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 443 transitions. [2025-03-09 02:05:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-09 02:05:51,484 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:51,484 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:51,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 02:05:51,484 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:51,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:51,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1503437932, now seen corresponding path program 1 times [2025-03-09 02:05:51,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:51,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717982211] [2025-03-09 02:05:51,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:51,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:51,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-09 02:05:51,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:05:51,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:51,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:51,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362427900] [2025-03-09 02:05:51,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:51,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:51,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:51,504 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) [2025-03-09 02:05:51,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:05:51,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-09 02:05:51,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:05:51,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:51,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:51,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:05:51,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:51,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:51,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717982211] [2025-03-09 02:05:51,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362427900] [2025-03-09 02:05:51,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362427900] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:51,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:51,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:51,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074356867] [2025-03-09 02:05:51,916 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:51,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:51,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:51,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:51,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:51,917 INFO L87 Difference]: Start difference. First operand 392 states and 443 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:52,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:52,414 INFO L93 Difference]: Finished difference Result 518 states and 606 transitions. [2025-03-09 02:05:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:52,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 118 [2025-03-09 02:05:52,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:52,417 INFO L225 Difference]: With dead ends: 518 [2025-03-09 02:05:52,417 INFO L226 Difference]: Without dead ends: 493 [2025-03-09 02:05:52,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:52,418 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 131 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:52,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 321 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:05:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-03-09 02:05:52,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 477. [2025-03-09 02:05:52,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 348 states have (on average 1.5) internal successors, (522), 449 states have internal predecessors, (522), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:05:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 574 transitions. [2025-03-09 02:05:52,434 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 574 transitions. Word has length 118 [2025-03-09 02:05:52,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:52,434 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 574 transitions. [2025-03-09 02:05:52,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:52,435 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 574 transitions. [2025-03-09 02:05:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-09 02:05:52,435 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:52,435 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:52,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 02:05:52,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-09 02:05:52,640 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:52,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:52,640 INFO L85 PathProgramCache]: Analyzing trace with hash 638064583, now seen corresponding path program 1 times [2025-03-09 02:05:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320802612] [2025-03-09 02:05:52,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:52,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:52,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-09 02:05:52,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-09 02:05:52,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:52,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:52,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398811763] [2025-03-09 02:05:52,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:52,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:52,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:52,663 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) [2025-03-09 02:05:52,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 02:05:52,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-09 02:05:52,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-09 02:05:52,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:52,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:52,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:05:52,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:52,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:57,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320802612] [2025-03-09 02:05:57,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398811763] [2025-03-09 02:05:57,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398811763] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:57,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:57,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:57,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630988116] [2025-03-09 02:05:57,230 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:57,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:57,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:57,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:57,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2025-03-09 02:05:57,231 INFO L87 Difference]: Start difference. First operand 477 states and 574 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:57,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:57,747 INFO L93 Difference]: Finished difference Result 509 states and 581 transitions. [2025-03-09 02:05:57,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:57,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 119 [2025-03-09 02:05:57,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:57,750 INFO L225 Difference]: With dead ends: 509 [2025-03-09 02:05:57,750 INFO L226 Difference]: Without dead ends: 493 [2025-03-09 02:05:57,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2025-03-09 02:05:57,751 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 129 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:57,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 390 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:05:57,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-03-09 02:05:57,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 477. [2025-03-09 02:05:57,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 348 states have (on average 1.4540229885057472) internal successors, (506), 449 states have internal predecessors, (506), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:05:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 558 transitions. [2025-03-09 02:05:57,763 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 558 transitions. Word has length 119 [2025-03-09 02:05:57,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:57,763 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 558 transitions. [2025-03-09 02:05:57,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:57,764 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 558 transitions. [2025-03-09 02:05:57,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-09 02:05:57,765 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:57,765 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:57,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:57,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:57,970 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:57,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:57,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1694834190, now seen corresponding path program 1 times [2025-03-09 02:05:57,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:57,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142924669] [2025-03-09 02:05:57,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:57,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-09 02:05:57,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-09 02:05:57,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:57,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:58,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:58,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142924669] [2025-03-09 02:05:58,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142924669] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:58,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975192043] [2025-03-09 02:05:58,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:58,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:58,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:58,065 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) [2025-03-09 02:05:58,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 02:05:58,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-09 02:05:58,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-09 02:05:58,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:58,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:58,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:58,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:58,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:58,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975192043] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:58,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:58,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:05:58,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545512504] [2025-03-09 02:05:58,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:58,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:05:58,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:58,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:05:58,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:58,437 INFO L87 Difference]: Start difference. First operand 477 states and 558 transitions. Second operand has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:58,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:58,999 INFO L93 Difference]: Finished difference Result 493 states and 565 transitions. [2025-03-09 02:05:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:58,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 120 [2025-03-09 02:05:59,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:59,002 INFO L225 Difference]: With dead ends: 493 [2025-03-09 02:05:59,002 INFO L226 Difference]: Without dead ends: 488 [2025-03-09 02:05:59,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:59,002 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 457 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:59,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 666 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:05:59,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-03-09 02:05:59,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 473. [2025-03-09 02:05:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 348 states have (on average 1.4281609195402298) internal successors, (497), 445 states have internal predecessors, (497), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:05:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 549 transitions. [2025-03-09 02:05:59,013 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 549 transitions. Word has length 120 [2025-03-09 02:05:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:59,014 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 549 transitions. [2025-03-09 02:05:59,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 549 transitions. [2025-03-09 02:05:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-09 02:05:59,015 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:59,015 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:59,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-09 02:05:59,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:59,219 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:05:59,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:59,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1000252123, now seen corresponding path program 1 times [2025-03-09 02:05:59,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:59,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457957359] [2025-03-09 02:05:59,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:59,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:59,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-09 02:05:59,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-09 02:05:59,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:59,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:59,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:59,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457957359] [2025-03-09 02:05:59,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457957359] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:59,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214676382] [2025-03-09 02:05:59,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:59,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:59,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:59,300 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) [2025-03-09 02:05:59,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 02:05:59,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-09 02:05:59,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-09 02:05:59,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:59,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:59,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:59,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:59,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:59,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214676382] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:59,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:59,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:05:59,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282073351] [2025-03-09 02:05:59,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:59,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:05:59,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:59,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:05:59,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:59,613 INFO L87 Difference]: Start difference. First operand 473 states and 549 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:59,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:59,970 INFO L93 Difference]: Finished difference Result 489 states and 556 transitions. [2025-03-09 02:05:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:59,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 121 [2025-03-09 02:05:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:59,972 INFO L225 Difference]: With dead ends: 489 [2025-03-09 02:05:59,972 INFO L226 Difference]: Without dead ends: 484 [2025-03-09 02:05:59,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:59,973 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 454 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:59,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 409 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:59,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-09 02:05:59,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 469. [2025-03-09 02:05:59,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 348 states have (on average 1.4022988505747127) internal successors, (488), 441 states have internal predecessors, (488), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:05:59,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 540 transitions. [2025-03-09 02:05:59,984 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 540 transitions. Word has length 121 [2025-03-09 02:05:59,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:59,984 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 540 transitions. [2025-03-09 02:05:59,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 540 transitions. [2025-03-09 02:05:59,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-09 02:05:59,985 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:59,985 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:59,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:00,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:00,194 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:00,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:00,194 INFO L85 PathProgramCache]: Analyzing trace with hash -943044528, now seen corresponding path program 1 times [2025-03-09 02:06:00,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:00,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932822940] [2025-03-09 02:06:00,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:00,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:00,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-09 02:06:00,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:06:00,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:00,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:00,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27068379] [2025-03-09 02:06:00,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:00,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:00,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:00,216 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) [2025-03-09 02:06:00,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 02:06:00,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-09 02:06:00,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:06:00,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:00,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:00,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:06:00,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:00,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:00,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:00,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932822940] [2025-03-09 02:06:00,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:00,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27068379] [2025-03-09 02:06:00,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27068379] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:00,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:00,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:06:00,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856924001] [2025-03-09 02:06:00,782 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:00,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:06:00,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:00,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:06:00,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:00,782 INFO L87 Difference]: Start difference. First operand 469 states and 540 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:01,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:01,346 INFO L93 Difference]: Finished difference Result 488 states and 547 transitions. [2025-03-09 02:06:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:01,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 122 [2025-03-09 02:06:01,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:01,349 INFO L225 Difference]: With dead ends: 488 [2025-03-09 02:06:01,349 INFO L226 Difference]: Without dead ends: 473 [2025-03-09 02:06:01,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:01,351 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 112 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:01,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 382 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:06:01,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-03-09 02:06:01,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 472. [2025-03-09 02:06:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 351 states have (on average 1.3646723646723646) internal successors, (479), 444 states have internal predecessors, (479), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:01,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 531 transitions. [2025-03-09 02:06:01,365 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 531 transitions. Word has length 122 [2025-03-09 02:06:01,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:01,365 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 531 transitions. [2025-03-09 02:06:01,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 531 transitions. [2025-03-09 02:06:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-09 02:06:01,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:01,366 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:01,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-09 02:06:01,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-09 02:06:01,567 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:01,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash 830390915, now seen corresponding path program 1 times [2025-03-09 02:06:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:01,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206385892] [2025-03-09 02:06:01,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:01,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-09 02:06:01,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-09 02:06:01,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:01,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:01,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:01,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206385892] [2025-03-09 02:06:01,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206385892] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:01,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648836518] [2025-03-09 02:06:01,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:01,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:01,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:01,677 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) [2025-03-09 02:06:01,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 02:06:01,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-09 02:06:01,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-09 02:06:01,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:01,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:01,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:06:01,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:01,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:02,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648836518] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:02,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:02,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2025-03-09 02:06:02,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023182438] [2025-03-09 02:06:02,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:02,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:02,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:02,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:02,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:02,060 INFO L87 Difference]: Start difference. First operand 472 states and 531 transitions. Second operand has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:02,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:02,902 INFO L93 Difference]: Finished difference Result 486 states and 532 transitions. [2025-03-09 02:06:02,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:02,903 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 123 [2025-03-09 02:06:02,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:02,904 INFO L225 Difference]: With dead ends: 486 [2025-03-09 02:06:02,905 INFO L226 Difference]: Without dead ends: 484 [2025-03-09 02:06:02,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:02,905 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 393 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:02,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 576 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:02,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-09 02:06:02,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 472. [2025-03-09 02:06:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 351 states have (on average 1.358974358974359) internal successors, (477), 444 states have internal predecessors, (477), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 529 transitions. [2025-03-09 02:06:02,917 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 529 transitions. Word has length 123 [2025-03-09 02:06:02,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:02,917 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 529 transitions. [2025-03-09 02:06:02,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 529 transitions. [2025-03-09 02:06:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-09 02:06:02,918 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:02,918 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:02,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:03,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-09 02:06:03,119 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:03,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:03,119 INFO L85 PathProgramCache]: Analyzing trace with hash -135926465, now seen corresponding path program 1 times [2025-03-09 02:06:03,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:03,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457730307] [2025-03-09 02:06:03,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:03,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:03,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:06:03,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:06:03,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:03,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:03,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:03,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457730307] [2025-03-09 02:06:03,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457730307] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:03,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971284508] [2025-03-09 02:06:03,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:03,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:03,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:03,201 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) [2025-03-09 02:06:03,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 02:06:03,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:06:03,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:06:03,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:03,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:03,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:03,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:03,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:03,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971284508] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:03,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:03,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-03-09 02:06:03,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686041894] [2025-03-09 02:06:03,684 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:03,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:06:03,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:03,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:06:03,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:03,685 INFO L87 Difference]: Start difference. First operand 472 states and 529 transitions. Second operand has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:05,344 INFO L93 Difference]: Finished difference Result 472 states and 529 transitions. [2025-03-09 02:06:05,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:06:05,346 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 127 [2025-03-09 02:06:05,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:05,347 INFO L225 Difference]: With dead ends: 472 [2025-03-09 02:06:05,347 INFO L226 Difference]: Without dead ends: 444 [2025-03-09 02:06:05,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:05,348 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 270 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:05,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 377 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-09 02:06:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-09 02:06:05,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-09 02:06:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 351 states have (on average 1.264957264957265) internal successors, (444), 416 states have internal predecessors, (444), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 496 transitions. [2025-03-09 02:06:05,359 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 496 transitions. Word has length 127 [2025-03-09 02:06:05,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:05,359 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 496 transitions. [2025-03-09 02:06:05,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 496 transitions. [2025-03-09 02:06:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-09 02:06:05,361 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:05,361 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:05,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:05,561 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,SelfDestructingSolverStorable23 [2025-03-09 02:06:05,562 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:05,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:05,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1929537541, now seen corresponding path program 1 times [2025-03-09 02:06:05,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:05,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560253085] [2025-03-09 02:06:05,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:05,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:05,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-09 02:06:05,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-09 02:06:05,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:05,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:05,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:05,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560253085] [2025-03-09 02:06:05,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560253085] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:05,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961556838] [2025-03-09 02:06:05,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:05,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:05,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:05,670 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) [2025-03-09 02:06:05,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 02:06:05,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-09 02:06:05,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-09 02:06:05,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:05,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:05,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:06:05,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:06,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:07,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961556838] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:07,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:07,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2025-03-09 02:06:07,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88295977] [2025-03-09 02:06:07,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:07,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:07,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:07,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:07,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:07,167 INFO L87 Difference]: Start difference. First operand 444 states and 496 transitions. Second operand has 11 states, 10 states have (on average 18.2) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:08,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:08,195 INFO L93 Difference]: Finished difference Result 444 states and 496 transitions. [2025-03-09 02:06:08,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:06:08,196 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.2) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 131 [2025-03-09 02:06:08,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:08,198 INFO L225 Difference]: With dead ends: 444 [2025-03-09 02:06:08,198 INFO L226 Difference]: Without dead ends: 404 [2025-03-09 02:06:08,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:06:08,199 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 241 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:08,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 409 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-09 02:06:08,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-09 02:06:08,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-03-09 02:06:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 323 states have (on average 1.2445820433436532) internal successors, (402), 378 states have internal predecessors, (402), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 450 transitions. [2025-03-09 02:06:08,213 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 450 transitions. Word has length 131 [2025-03-09 02:06:08,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:08,213 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 450 transitions. [2025-03-09 02:06:08,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.2) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 450 transitions. [2025-03-09 02:06:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-09 02:06:08,214 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:08,214 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:06:08,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:08,416 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,SelfDestructingSolverStorable24 [2025-03-09 02:06:08,416 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:08,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1915178913, now seen corresponding path program 1 times [2025-03-09 02:06:08,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:08,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345730505] [2025-03-09 02:06:08,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:08,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:08,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-09 02:06:08,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-09 02:06:08,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:08,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-09 02:06:08,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:08,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345730505] [2025-03-09 02:06:08,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345730505] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:08,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:08,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:06:08,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587704472] [2025-03-09 02:06:08,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:08,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:06:08,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:08,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:06:08,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:08,493 INFO L87 Difference]: Start difference. First operand 404 states and 450 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:08,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:08,698 INFO L93 Difference]: Finished difference Result 404 states and 450 transitions. [2025-03-09 02:06:08,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:06:08,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 160 [2025-03-09 02:06:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:08,701 INFO L225 Difference]: With dead ends: 404 [2025-03-09 02:06:08,701 INFO L226 Difference]: Without dead ends: 403 [2025-03-09 02:06:08,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:08,702 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 268 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:08,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 180 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:08,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-09 02:06:08,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-09 02:06:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.238390092879257) internal successors, (400), 377 states have internal predecessors, (400), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 448 transitions. [2025-03-09 02:06:08,713 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 448 transitions. Word has length 160 [2025-03-09 02:06:08,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:08,713 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 448 transitions. [2025-03-09 02:06:08,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 448 transitions. [2025-03-09 02:06:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-09 02:06:08,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:08,714 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:06:08,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-09 02:06:08,715 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:08,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash -172302884, now seen corresponding path program 1 times [2025-03-09 02:06:08,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:08,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285415953] [2025-03-09 02:06:08,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:08,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:08,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-09 02:06:08,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-09 02:06:08,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:08,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:08,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [873742745] [2025-03-09 02:06:08,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:08,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:08,742 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) [2025-03-09 02:06:08,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 02:06:08,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-09 02:06:08,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-09 02:06:08,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:08,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:08,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:06:08,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:09,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:09,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:09,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285415953] [2025-03-09 02:06:09,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:09,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873742745] [2025-03-09 02:06:09,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873742745] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:09,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:09,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:06:09,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031635214] [2025-03-09 02:06:09,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:09,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:09,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:09,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:09,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:09,625 INFO L87 Difference]: Start difference. First operand 403 states and 448 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:06:09,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:09,997 INFO L93 Difference]: Finished difference Result 405 states and 448 transitions. [2025-03-09 02:06:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:09,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 168 [2025-03-09 02:06:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:09,999 INFO L225 Difference]: With dead ends: 405 [2025-03-09 02:06:09,999 INFO L226 Difference]: Without dead ends: 404 [2025-03-09 02:06:09,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:10,000 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 59 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:10,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 366 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:06:10,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-09 02:06:10,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 403. [2025-03-09 02:06:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.2352941176470589) internal successors, (399), 377 states have internal predecessors, (399), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 447 transitions. [2025-03-09 02:06:10,011 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 447 transitions. Word has length 168 [2025-03-09 02:06:10,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:10,011 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 447 transitions. [2025-03-09 02:06:10,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:06:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 447 transitions. [2025-03-09 02:06:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-09 02:06:10,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:10,012 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:06:10,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:10,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:10,212 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:10,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:10,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1046421978, now seen corresponding path program 1 times [2025-03-09 02:06:10,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:10,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39463273] [2025-03-09 02:06:10,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:10,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:10,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-09 02:06:10,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-09 02:06:10,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:10,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:10,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028834794] [2025-03-09 02:06:10,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:10,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:10,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:10,234 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) [2025-03-09 02:06:10,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 02:06:10,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-09 02:06:10,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-09 02:06:10,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:10,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:10,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:06:10,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:10,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:10,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:10,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39463273] [2025-03-09 02:06:10,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:10,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028834794] [2025-03-09 02:06:10,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028834794] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:10,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:10,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:06:10,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753979482] [2025-03-09 02:06:10,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:10,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:06:10,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:10,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:06:10,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:10,705 INFO L87 Difference]: Start difference. First operand 403 states and 447 transitions. Second operand has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:06:11,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:11,132 INFO L93 Difference]: Finished difference Result 415 states and 447 transitions. [2025-03-09 02:06:11,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:06:11,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 169 [2025-03-09 02:06:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:11,134 INFO L225 Difference]: With dead ends: 415 [2025-03-09 02:06:11,134 INFO L226 Difference]: Without dead ends: 414 [2025-03-09 02:06:11,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:11,135 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 119 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:11,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 438 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:06:11,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2025-03-09 02:06:11,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 403. [2025-03-09 02:06:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.2321981424148607) internal successors, (398), 377 states have internal predecessors, (398), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 446 transitions. [2025-03-09 02:06:11,143 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 446 transitions. Word has length 169 [2025-03-09 02:06:11,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:11,144 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 446 transitions. [2025-03-09 02:06:11,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:06:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 446 transitions. [2025-03-09 02:06:11,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-09 02:06:11,144 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:11,145 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:11,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-09 02:06:11,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-09 02:06:11,345 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:11,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:11,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1084385192, now seen corresponding path program 1 times [2025-03-09 02:06:11,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:11,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455798265] [2025-03-09 02:06:11,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:11,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:11,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-09 02:06:11,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-09 02:06:11,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:11,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:11,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [759577748] [2025-03-09 02:06:11,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:11,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:11,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:11,365 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) [2025-03-09 02:06:11,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 02:06:11,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-09 02:06:11,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-09 02:06:11,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:11,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:11,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:06:11,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:12,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:12,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:12,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455798265] [2025-03-09 02:06:12,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:12,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759577748] [2025-03-09 02:06:12,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759577748] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:12,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:12,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-09 02:06:12,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570301224] [2025-03-09 02:06:12,972 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:12,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:12,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:12,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:12,973 INFO L87 Difference]: Start difference. First operand 403 states and 446 transitions. Second operand has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:06:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:14,969 INFO L93 Difference]: Finished difference Result 412 states and 446 transitions. [2025-03-09 02:06:14,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:06:14,969 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 172 [2025-03-09 02:06:14,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:14,971 INFO L225 Difference]: With dead ends: 412 [2025-03-09 02:06:14,971 INFO L226 Difference]: Without dead ends: 404 [2025-03-09 02:06:14,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:06:14,971 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 619 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:14,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 277 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-09 02:06:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-09 02:06:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 403. [2025-03-09 02:06:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.2074303405572755) internal successors, (390), 377 states have internal predecessors, (390), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 438 transitions. [2025-03-09 02:06:14,989 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 438 transitions. Word has length 172 [2025-03-09 02:06:14,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:14,989 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 438 transitions. [2025-03-09 02:06:14,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:06:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 438 transitions. [2025-03-09 02:06:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-09 02:06:14,990 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:14,991 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:14,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:15,191 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,SelfDestructingSolverStorable28 [2025-03-09 02:06:15,192 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:15,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:15,194 INFO L85 PathProgramCache]: Analyzing trace with hash -153949247, now seen corresponding path program 1 times [2025-03-09 02:06:15,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:15,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776725253] [2025-03-09 02:06:15,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:15,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:15,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 02:06:15,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 02:06:15,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:15,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:15,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498974485] [2025-03-09 02:06:15,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:15,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:15,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:15,223 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) [2025-03-09 02:06:15,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-09 02:06:15,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 02:06:15,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 02:06:15,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:15,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:15,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-09 02:06:15,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:15,785 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:15,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:16,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:16,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776725253] [2025-03-09 02:06:16,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498974485] [2025-03-09 02:06:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498974485] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:16,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:16,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-09 02:06:16,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256437711] [2025-03-09 02:06:16,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:16,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:06:16,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:16,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:06:16,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:06:16,203 INFO L87 Difference]: Start difference. First operand 403 states and 438 transitions. Second operand has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-03-09 02:06:17,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:17,407 INFO L93 Difference]: Finished difference Result 477 states and 536 transitions. [2025-03-09 02:06:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:06:17,407 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 191 [2025-03-09 02:06:17,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:17,409 INFO L225 Difference]: With dead ends: 477 [2025-03-09 02:06:17,409 INFO L226 Difference]: Without dead ends: 470 [2025-03-09 02:06:17,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:06:17,410 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 293 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:17,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 316 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-09 02:06:17,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-03-09 02:06:17,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 469. [2025-03-09 02:06:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 383 states have (on average 1.2219321148825066) internal successors, (468), 437 states have internal predecessors, (468), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 528 transitions. [2025-03-09 02:06:17,426 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 528 transitions. Word has length 191 [2025-03-09 02:06:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:17,427 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 528 transitions. [2025-03-09 02:06:17,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-03-09 02:06:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 528 transitions. [2025-03-09 02:06:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-09 02:06:17,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:17,428 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:06:17,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-09 02:06:17,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:17,629 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:17,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:17,629 INFO L85 PathProgramCache]: Analyzing trace with hash 14131833, now seen corresponding path program 1 times [2025-03-09 02:06:17,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140083844] [2025-03-09 02:06:17,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:17,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:17,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-09 02:06:17,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-09 02:06:17,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:17,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:17,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1572710719] [2025-03-09 02:06:17,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:17,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:17,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:17,653 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) [2025-03-09 02:06:17,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-09 02:06:17,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-09 02:06:17,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-09 02:06:17,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:17,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:17,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:06:17,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:17,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:17,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:17,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140083844] [2025-03-09 02:06:17,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:17,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572710719] [2025-03-09 02:06:17,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572710719] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:17,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:17,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:06:17,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764474155] [2025-03-09 02:06:17,874 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:17,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:17,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:17,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:17,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:06:17,875 INFO L87 Difference]: Start difference. First operand 469 states and 528 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:06:17,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:17,976 INFO L93 Difference]: Finished difference Result 589 states and 621 transitions. [2025-03-09 02:06:17,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:06:17,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 192 [2025-03-09 02:06:17,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:17,978 INFO L225 Difference]: With dead ends: 589 [2025-03-09 02:06:17,978 INFO L226 Difference]: Without dead ends: 588 [2025-03-09 02:06:17,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:06:17,978 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 287 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:17,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 727 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:17,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-09 02:06:17,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 469. [2025-03-09 02:06:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 383 states have (on average 1.2193211488250653) internal successors, (467), 437 states have internal predecessors, (467), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 527 transitions. [2025-03-09 02:06:17,993 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 527 transitions. Word has length 192 [2025-03-09 02:06:17,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:17,994 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 527 transitions. [2025-03-09 02:06:17,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:06:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 527 transitions. [2025-03-09 02:06:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-09 02:06:17,995 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:17,995 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 02:06:18,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-09 02:06:18,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:18,199 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:18,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:18,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1244043865, now seen corresponding path program 2 times [2025-03-09 02:06:18,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:18,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261970455] [2025-03-09 02:06:18,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:18,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:18,207 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-09 02:06:18,220 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-09 02:06:18,221 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:18,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:18,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802492818] [2025-03-09 02:06:18,222 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:18,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:18,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:18,224 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) [2025-03-09 02:06:18,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-09 02:06:18,254 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-09 02:06:18,285 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-09 02:06:18,285 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:18,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:18,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:06:18,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:18,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:18,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:18,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261970455] [2025-03-09 02:06:18,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:18,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802492818] [2025-03-09 02:06:18,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802492818] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:18,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:18,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-09 02:06:18,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56365983] [2025-03-09 02:06:18,813 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:18,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:06:18,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:18,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:06:18,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:18,814 INFO L87 Difference]: Start difference. First operand 469 states and 527 transitions. Second operand has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:19,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:19,436 INFO L93 Difference]: Finished difference Result 553 states and 624 transitions. [2025-03-09 02:06:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:06:19,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 199 [2025-03-09 02:06:19,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:19,439 INFO L225 Difference]: With dead ends: 553 [2025-03-09 02:06:19,439 INFO L226 Difference]: Without dead ends: 539 [2025-03-09 02:06:19,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:19,439 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 175 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:19,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 590 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:06:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2025-03-09 02:06:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 523. [2025-03-09 02:06:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 434 states have (on average 1.2188940092165899) internal successors, (529), 488 states have internal predecessors, (529), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:06:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 595 transitions. [2025-03-09 02:06:19,462 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 595 transitions. Word has length 199 [2025-03-09 02:06:19,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:19,462 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 595 transitions. [2025-03-09 02:06:19,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 595 transitions. [2025-03-09 02:06:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-09 02:06:19,463 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:19,463 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:06:19,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-09 02:06:19,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:19,663 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:19,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:19,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1525252919, now seen corresponding path program 2 times [2025-03-09 02:06:19,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:19,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501862260] [2025-03-09 02:06:19,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:19,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:19,670 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-03-09 02:06:19,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-03-09 02:06:19,683 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:19,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:19,802 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:19,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:19,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501862260] [2025-03-09 02:06:19,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501862260] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:19,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560709969] [2025-03-09 02:06:19,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:19,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:19,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:19,808 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) [2025-03-09 02:06:19,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-09 02:06:19,839 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-03-09 02:06:19,868 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-03-09 02:06:19,868 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:19,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:19,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:19,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:20,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:20,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560709969] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:20,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:20,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-09 02:06:20,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030012513] [2025-03-09 02:06:20,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:20,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:06:20,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:20,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:06:20,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:06:20,448 INFO L87 Difference]: Start difference. First operand 523 states and 595 transitions. Second operand has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:21,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:21,156 INFO L93 Difference]: Finished difference Result 578 states and 645 transitions. [2025-03-09 02:06:21,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:06:21,158 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 201 [2025-03-09 02:06:21,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:21,159 INFO L225 Difference]: With dead ends: 578 [2025-03-09 02:06:21,159 INFO L226 Difference]: Without dead ends: 577 [2025-03-09 02:06:21,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:06:21,160 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 646 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:21,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 564 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:06:21,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-03-09 02:06:21,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 556. [2025-03-09 02:06:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 464 states have (on average 1.2112068965517242) internal successors, (562), 518 states have internal predecessors, (562), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:06:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 634 transitions. [2025-03-09 02:06:21,179 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 634 transitions. Word has length 201 [2025-03-09 02:06:21,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:21,182 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 634 transitions. [2025-03-09 02:06:21,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 634 transitions. [2025-03-09 02:06:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-09 02:06:21,183 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:21,183 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 02:06:21,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-09 02:06:21,384 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,SelfDestructingSolverStorable32 [2025-03-09 02:06:21,384 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:21,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:21,384 INFO L85 PathProgramCache]: Analyzing trace with hash 38200446, now seen corresponding path program 2 times [2025-03-09 02:06:21,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:21,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342666242] [2025-03-09 02:06:21,384 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:21,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:21,391 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-03-09 02:06:21,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:06:21,404 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:21,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:21,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1861415345] [2025-03-09 02:06:21,405 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:21,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:21,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:21,406 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) [2025-03-09 02:06:21,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-09 02:06:21,433 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-03-09 02:06:21,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:06:21,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:21,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:21,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:06:21,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:21,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:22,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:22,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342666242] [2025-03-09 02:06:22,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:22,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861415345] [2025-03-09 02:06:22,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861415345] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:22,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:22,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:06:22,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747341476] [2025-03-09 02:06:22,352 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:22,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:06:22,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:22,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:06:22,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:22,353 INFO L87 Difference]: Start difference. First operand 556 states and 634 transitions. Second operand has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:06:25,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:25,226 INFO L93 Difference]: Finished difference Result 599 states and 659 transitions. [2025-03-09 02:06:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:06:25,228 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 202 [2025-03-09 02:06:25,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:25,229 INFO L225 Difference]: With dead ends: 599 [2025-03-09 02:06:25,229 INFO L226 Difference]: Without dead ends: 465 [2025-03-09 02:06:25,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:06:25,230 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 630 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 2829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:25,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 1094 Invalid, 2829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2742 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-09 02:06:25,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-09 02:06:25,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 448. [2025-03-09 02:06:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 364 states have (on average 1.1978021978021978) internal successors, (436), 416 states have internal predecessors, (436), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 496 transitions. [2025-03-09 02:06:25,245 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 496 transitions. Word has length 202 [2025-03-09 02:06:25,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:25,245 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 496 transitions. [2025-03-09 02:06:25,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:06:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 496 transitions. [2025-03-09 02:06:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-03-09 02:06:25,246 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:25,246 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-03-09 02:06:25,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:25,447 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,SelfDestructingSolverStorable33 [2025-03-09 02:06:25,447 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:25,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:25,448 INFO L85 PathProgramCache]: Analyzing trace with hash 138330569, now seen corresponding path program 1 times [2025-03-09 02:06:25,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:25,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818481767] [2025-03-09 02:06:25,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:25,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:25,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-03-09 02:06:25,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-03-09 02:06:25,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:25,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2025-03-09 02:06:25,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:25,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818481767] [2025-03-09 02:06:25,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818481767] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:25,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:25,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:25,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263798070] [2025-03-09 02:06:25,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:25,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:25,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:25,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:25,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:25,501 INFO L87 Difference]: Start difference. First operand 448 states and 496 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:25,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:25,673 INFO L93 Difference]: Finished difference Result 448 states and 496 transitions. [2025-03-09 02:06:25,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:25,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 244 [2025-03-09 02:06:25,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:25,675 INFO L225 Difference]: With dead ends: 448 [2025-03-09 02:06:25,675 INFO L226 Difference]: Without dead ends: 447 [2025-03-09 02:06:25,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:25,676 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 119 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:25,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 144 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2025-03-09 02:06:25,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2025-03-09 02:06:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 364 states have (on average 1.1923076923076923) internal successors, (434), 415 states have internal predecessors, (434), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 494 transitions. [2025-03-09 02:06:25,692 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 494 transitions. Word has length 244 [2025-03-09 02:06:25,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:25,692 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 494 transitions. [2025-03-09 02:06:25,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 494 transitions. [2025-03-09 02:06:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-03-09 02:06:25,694 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:25,694 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-09 02:06:25,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-09 02:06:25,694 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:25,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1032234614, now seen corresponding path program 2 times [2025-03-09 02:06:25,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:25,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106902910] [2025-03-09 02:06:25,695 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:25,701 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-09 02:06:25,715 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-09 02:06:25,716 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:25,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:25,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473901628] [2025-03-09 02:06:25,717 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:25,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:25,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:25,719 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:25,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-09 02:06:25,747 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-09 02:06:25,778 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-09 02:06:25,778 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:25,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:25,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:06:25,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:26,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:26,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106902910] [2025-03-09 02:06:26,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473901628] [2025-03-09 02:06:26,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473901628] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:26,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:26,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:06:26,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149108063] [2025-03-09 02:06:26,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:26,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:26,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:26,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:26,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:26,889 INFO L87 Difference]: Start difference. First operand 447 states and 494 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-09 02:06:27,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:27,598 INFO L93 Difference]: Finished difference Result 447 states and 494 transitions. [2025-03-09 02:06:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:06:27,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 248 [2025-03-09 02:06:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:27,600 INFO L225 Difference]: With dead ends: 447 [2025-03-09 02:06:27,600 INFO L226 Difference]: Without dead ends: 444 [2025-03-09 02:06:27,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:06:27,601 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 540 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:27,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 147 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:06:27,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-09 02:06:27,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-09 02:06:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 364 states have (on average 1.1758241758241759) internal successors, (428), 412 states have internal predecessors, (428), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 488 transitions. [2025-03-09 02:06:27,618 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 488 transitions. Word has length 248 [2025-03-09 02:06:27,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:27,618 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 488 transitions. [2025-03-09 02:06:27,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-09 02:06:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 488 transitions. [2025-03-09 02:06:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-03-09 02:06:27,619 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:27,619 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-09 02:06:27,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:27,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:27,820 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:27,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:27,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1934501832, now seen corresponding path program 2 times [2025-03-09 02:06:27,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:27,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937023306] [2025-03-09 02:06:27,820 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:27,826 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-03-09 02:06:27,839 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-03-09 02:06:27,840 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:27,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966635140] [2025-03-09 02:06:27,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:27,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:27,844 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) [2025-03-09 02:06:27,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-09 02:06:27,874 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-03-09 02:06:27,911 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-03-09 02:06:27,911 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:27,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:27,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:06:27,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:28,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:28,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:28,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937023306] [2025-03-09 02:06:28,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:28,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966635140] [2025-03-09 02:06:28,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966635140] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:28,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:28,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:06:28,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815894095] [2025-03-09 02:06:28,477 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:28,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:28,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:28,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:28,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:28,478 INFO L87 Difference]: Start difference. First operand 444 states and 488 transitions. Second operand has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:06:28,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:28,779 INFO L93 Difference]: Finished difference Result 445 states and 488 transitions. [2025-03-09 02:06:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:06:28,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 249 [2025-03-09 02:06:28,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:28,780 INFO L225 Difference]: With dead ends: 445 [2025-03-09 02:06:28,781 INFO L226 Difference]: Without dead ends: 444 [2025-03-09 02:06:28,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:28,781 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 92 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:28,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 953 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:06:28,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-09 02:06:28,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-09 02:06:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 364 states have (on average 1.1730769230769231) internal successors, (427), 412 states have internal predecessors, (427), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 487 transitions. [2025-03-09 02:06:28,795 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 487 transitions. Word has length 249 [2025-03-09 02:06:28,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:28,796 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 487 transitions. [2025-03-09 02:06:28,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:06:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 487 transitions. [2025-03-09 02:06:28,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-03-09 02:06:28,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:28,797 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2025-03-09 02:06:28,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-09 02:06:28,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:28,998 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:28,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:28,998 INFO L85 PathProgramCache]: Analyzing trace with hash -872772346, now seen corresponding path program 2 times [2025-03-09 02:06:28,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:28,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312170144] [2025-03-09 02:06:28,998 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:28,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:29,005 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-03-09 02:06:29,015 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-03-09 02:06:29,015 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:29,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:29,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742866831] [2025-03-09 02:06:29,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:29,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:29,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:29,019 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) [2025-03-09 02:06:29,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-09 02:06:29,054 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-03-09 02:06:29,108 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-03-09 02:06:29,108 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:29,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:29,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 02:06:29,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:29,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:30,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312170144] [2025-03-09 02:06:30,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742866831] [2025-03-09 02:06:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742866831] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:30,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:06:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628015490] [2025-03-09 02:06:30,067 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:30,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:30,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:30,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:30,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:06:30,068 INFO L87 Difference]: Start difference. First operand 444 states and 487 transitions. Second operand has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-09 02:06:30,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:30,902 INFO L93 Difference]: Finished difference Result 446 states and 487 transitions. [2025-03-09 02:06:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:06:30,902 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 252 [2025-03-09 02:06:30,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:30,903 INFO L225 Difference]: With dead ends: 446 [2025-03-09 02:06:30,903 INFO L226 Difference]: Without dead ends: 444 [2025-03-09 02:06:30,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:06:30,904 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 25 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 2701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:30,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 520 Invalid, 2701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-09 02:06:30,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-09 02:06:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 364 states have (on average 1.1675824175824177) internal successors, (425), 412 states have internal predecessors, (425), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 485 transitions. [2025-03-09 02:06:30,917 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 485 transitions. Word has length 252 [2025-03-09 02:06:30,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:30,918 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 485 transitions. [2025-03-09 02:06:30,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-09 02:06:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 485 transitions. [2025-03-09 02:06:30,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-03-09 02:06:30,919 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:30,919 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2025-03-09 02:06:30,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-09 02:06:31,119 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,SelfDestructingSolverStorable37 [2025-03-09 02:06:31,119 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:31,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:31,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1286138828, now seen corresponding path program 1 times [2025-03-09 02:06:31,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:31,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929288638] [2025-03-09 02:06:31,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:31,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:31,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-03-09 02:06:31,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-03-09 02:06:31,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:31,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:31,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580681241] [2025-03-09 02:06:31,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:31,147 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) [2025-03-09 02:06:31,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-09 02:06:31,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-03-09 02:06:31,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-03-09 02:06:31,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:31,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:31,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:06:31,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:31,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:32,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:32,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929288638] [2025-03-09 02:06:32,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:32,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580681241] [2025-03-09 02:06:32,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580681241] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:32,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:32,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:06:32,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707280235] [2025-03-09 02:06:32,018 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:32,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:32,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:32,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:32,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:06:32,019 INFO L87 Difference]: Start difference. First operand 444 states and 485 transitions. Second operand has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:32,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:32,829 INFO L93 Difference]: Finished difference Result 448 states and 485 transitions. [2025-03-09 02:06:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:06:32,830 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 253 [2025-03-09 02:06:32,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:32,831 INFO L225 Difference]: With dead ends: 448 [2025-03-09 02:06:32,831 INFO L226 Difference]: Without dead ends: 444 [2025-03-09 02:06:32,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:06:32,832 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 54 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:32,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 448 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:32,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-09 02:06:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-09 02:06:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 364 states have (on average 1.1565934065934067) internal successors, (421), 412 states have internal predecessors, (421), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 481 transitions. [2025-03-09 02:06:32,846 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 481 transitions. Word has length 253 [2025-03-09 02:06:32,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:32,847 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 481 transitions. [2025-03-09 02:06:32,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 481 transitions. [2025-03-09 02:06:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-03-09 02:06:32,848 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:32,848 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-03-09 02:06:32,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-09 02:06:33,048 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,SelfDestructingSolverStorable38 [2025-03-09 02:06:33,049 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:33,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:33,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1808710063, now seen corresponding path program 1 times [2025-03-09 02:06:33,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:33,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370781276] [2025-03-09 02:06:33,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:33,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-09 02:06:33,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-09 02:06:33,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:33,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:33,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905451802] [2025-03-09 02:06:33,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:33,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:33,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:33,072 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) [2025-03-09 02:06:33,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-09 02:06:33,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-09 02:06:33,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-09 02:06:33,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:33,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:33,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:06:33,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:33,284 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:33,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:33,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370781276] [2025-03-09 02:06:33,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:33,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905451802] [2025-03-09 02:06:33,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905451802] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:33,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:33,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:06:33,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443965404] [2025-03-09 02:06:33,546 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:33,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:06:33,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:33,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:06:33,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:33,547 INFO L87 Difference]: Start difference. First operand 444 states and 481 transitions. Second operand has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:06:33,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:33,811 INFO L93 Difference]: Finished difference Result 639 states and 680 transitions. [2025-03-09 02:06:33,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:06:33,811 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 261 [2025-03-09 02:06:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:33,813 INFO L225 Difference]: With dead ends: 639 [2025-03-09 02:06:33,813 INFO L226 Difference]: Without dead ends: 637 [2025-03-09 02:06:33,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:33,814 INFO L435 NwaCegarLoop]: 348 mSDtfsCounter, 902 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:33,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 1468 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:33,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-03-09 02:06:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 443. [2025-03-09 02:06:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 364 states have (on average 1.1483516483516483) internal successors, (418), 411 states have internal predecessors, (418), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 478 transitions. [2025-03-09 02:06:33,829 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 478 transitions. Word has length 261 [2025-03-09 02:06:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:33,829 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 478 transitions. [2025-03-09 02:06:33,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:06:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 478 transitions. [2025-03-09 02:06:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2025-03-09 02:06:33,830 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:33,830 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:33,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-09 02:06:34,030 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,SelfDestructingSolverStorable39 [2025-03-09 02:06:34,031 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:34,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:34,031 INFO L85 PathProgramCache]: Analyzing trace with hash -467902870, now seen corresponding path program 1 times [2025-03-09 02:06:34,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:34,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226587202] [2025-03-09 02:06:34,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:34,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:34,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-03-09 02:06:34,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-03-09 02:06:34,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:34,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:34,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:34,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226587202] [2025-03-09 02:06:34,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226587202] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:34,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273612479] [2025-03-09 02:06:34,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:34,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:34,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:34,222 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) [2025-03-09 02:06:34,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-09 02:06:34,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-03-09 02:06:34,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-03-09 02:06:34,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:34,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:34,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:06:34,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:34,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:34,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273612479] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:34,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:34,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:06:34,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463537042] [2025-03-09 02:06:34,848 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:34,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:06:34,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:34,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:06:34,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:06:34,849 INFO L87 Difference]: Start difference. First operand 443 states and 478 transitions. Second operand has 16 states, 15 states have (on average 24.933333333333334) internal successors, (374), 16 states have internal predecessors, (374), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-09 02:06:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:36,289 INFO L93 Difference]: Finished difference Result 443 states and 478 transitions. [2025-03-09 02:06:36,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:06:36,290 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 24.933333333333334) internal successors, (374), 16 states have internal predecessors, (374), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 272 [2025-03-09 02:06:36,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:36,291 INFO L225 Difference]: With dead ends: 443 [2025-03-09 02:06:36,291 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:06:36,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2025-03-09 02:06:36,291 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 632 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 2209 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 2256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:36,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 368 Invalid, 2256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2209 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-09 02:06:36,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:06:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2025-03-09 02:06:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 364 states have (on average 1.14010989010989) internal successors, (415), 409 states have internal predecessors, (415), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 475 transitions. [2025-03-09 02:06:36,306 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 475 transitions. Word has length 272 [2025-03-09 02:06:36,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:36,306 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 475 transitions. [2025-03-09 02:06:36,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 24.933333333333334) internal successors, (374), 16 states have internal predecessors, (374), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-09 02:06:36,307 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 475 transitions. [2025-03-09 02:06:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-09 02:06:36,307 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:36,308 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:36,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:36,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:36,508 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:36,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:36,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2125434353, now seen corresponding path program 1 times [2025-03-09 02:06:36,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:36,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837025938] [2025-03-09 02:06:36,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:36,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:36,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-09 02:06:36,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-09 02:06:36,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:36,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:36,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:36,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837025938] [2025-03-09 02:06:36,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837025938] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:36,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:36,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:06:36,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320013913] [2025-03-09 02:06:36,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:36,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:06:36,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:36,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:06:36,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:06:36,610 INFO L87 Difference]: Start difference. First operand 441 states and 475 transitions. Second operand has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:06:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:36,994 INFO L93 Difference]: Finished difference Result 441 states and 475 transitions. [2025-03-09 02:06:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:06:36,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 275 [2025-03-09 02:06:36,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:36,995 INFO L225 Difference]: With dead ends: 441 [2025-03-09 02:06:36,995 INFO L226 Difference]: Without dead ends: 439 [2025-03-09 02:06:36,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:36,996 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 181 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:36,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 378 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:06:36,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-09 02:06:37,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2025-03-09 02:06:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 364 states have (on average 1.129120879120879) internal successors, (411), 407 states have internal predecessors, (411), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 471 transitions. [2025-03-09 02:06:37,010 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 471 transitions. Word has length 275 [2025-03-09 02:06:37,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:37,011 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 471 transitions. [2025-03-09 02:06:37,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:06:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 471 transitions. [2025-03-09 02:06:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-03-09 02:06:37,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:37,012 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:37,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-09 02:06:37,012 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:37,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:37,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1463955418, now seen corresponding path program 1 times [2025-03-09 02:06:37,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:37,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448555099] [2025-03-09 02:06:37,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:37,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:37,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-03-09 02:06:37,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-03-09 02:06:37,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:37,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:37,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:37,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448555099] [2025-03-09 02:06:37,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448555099] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:37,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405732611] [2025-03-09 02:06:37,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:37,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:37,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:37,194 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:37,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-09 02:06:37,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-03-09 02:06:37,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-03-09 02:06:37,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:37,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:37,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:06:37,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:37,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:38,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405732611] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:38,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:38,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:06:38,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44396912] [2025-03-09 02:06:38,827 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:38,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:06:38,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:38,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:06:38,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:06:38,828 INFO L87 Difference]: Start difference. First operand 439 states and 471 transitions. Second operand has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-09 02:06:40,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:40,860 INFO L93 Difference]: Finished difference Result 439 states and 471 transitions. [2025-03-09 02:06:40,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:06:40,860 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 276 [2025-03-09 02:06:40,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:40,862 INFO L225 Difference]: With dead ends: 439 [2025-03-09 02:06:40,862 INFO L226 Difference]: Without dead ends: 403 [2025-03-09 02:06:40,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2025-03-09 02:06:40,862 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 762 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 2433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:40,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 425 Invalid, 2433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-09 02:06:40,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-09 02:06:40,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-09 02:06:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 332 states have (on average 1.1295180722891567) internal successors, (375), 373 states have internal predecessors, (375), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:06:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 431 transitions. [2025-03-09 02:06:40,876 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 431 transitions. Word has length 276 [2025-03-09 02:06:40,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:40,877 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 431 transitions. [2025-03-09 02:06:40,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-09 02:06:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 431 transitions. [2025-03-09 02:06:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-03-09 02:06:40,878 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:40,878 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-09 02:06:40,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-09 02:06:41,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:41,078 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:41,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:41,079 INFO L85 PathProgramCache]: Analyzing trace with hash 623126763, now seen corresponding path program 3 times [2025-03-09 02:06:41,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:41,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152354843] [2025-03-09 02:06:41,079 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:06:41,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:41,085 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-03-09 02:06:41,118 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 279 of 279 statements. [2025-03-09 02:06:41,118 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-09 02:06:41,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:41,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479104062] [2025-03-09 02:06:41,119 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:06:41,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:41,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:41,124 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) [2025-03-09 02:06:41,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-09 02:06:41,152 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-03-09 02:06:41,177 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 92 of 279 statements. [2025-03-09 02:06:41,177 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:06:41,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:41,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-09 02:06:41,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 146 proven. 94 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2025-03-09 02:06:42,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:51,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:51,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152354843] [2025-03-09 02:06:51,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:51,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479104062] [2025-03-09 02:06:51,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479104062] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:51,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:51,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-09 02:06:51,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777146960] [2025-03-09 02:06:51,220 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:51,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:06:51,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:51,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:06:51,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=445, Unknown=1, NotChecked=0, Total=552 [2025-03-09 02:06:51,221 INFO L87 Difference]: Start difference. First operand 403 states and 431 transitions. Second operand has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:04,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:04,934 INFO L93 Difference]: Finished difference Result 405 states and 433 transitions. [2025-03-09 02:07:04,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:07:04,935 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 279 [2025-03-09 02:07:04,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:04,936 INFO L225 Difference]: With dead ends: 405 [2025-03-09 02:07:04,936 INFO L226 Difference]: Without dead ends: 388 [2025-03-09 02:07:04,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=197, Invalid=672, Unknown=1, NotChecked=0, Total=870 [2025-03-09 02:07:04,937 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 419 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:04,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 183 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2025-03-09 02:07:04,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-03-09 02:07:04,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2025-03-09 02:07:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 332 states have (on average 1.0753012048192772) internal successors, (357), 356 states have internal predecessors, (357), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:07:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 413 transitions. [2025-03-09 02:07:04,954 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 413 transitions. Word has length 279 [2025-03-09 02:07:04,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:04,954 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 413 transitions. [2025-03-09 02:07:04,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 413 transitions. [2025-03-09 02:07:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2025-03-09 02:07:04,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:04,955 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-03-09 02:07:04,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-09 02:07:05,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:05,156 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:05,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:05,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1731842920, now seen corresponding path program 1 times [2025-03-09 02:07:05,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:05,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535561263] [2025-03-09 02:07:05,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:05,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:05,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-03-09 02:07:05,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-03-09 02:07:05,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:05,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:05,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393654149] [2025-03-09 02:07:05,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:05,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:05,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:05,177 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) [2025-03-09 02:07:05,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-09 02:07:05,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-03-09 02:07:05,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-03-09 02:07:05,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:05,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:05,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 02:07:05,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:07:06,110 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:06,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:06,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535561263] [2025-03-09 02:07:06,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:06,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393654149] [2025-03-09 02:07:06,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393654149] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:06,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:06,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-09 02:07:06,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686948440] [2025-03-09 02:07:06,378 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:06,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:07:06,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:06,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:07:06,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:07:06,379 INFO L87 Difference]: Start difference. First operand 386 states and 413 transitions. Second operand has 14 states, 13 states have (on average 15.307692307692308) internal successors, (199), 14 states have internal predecessors, (199), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-03-09 02:07:08,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:08,313 INFO L93 Difference]: Finished difference Result 511 states and 563 transitions. [2025-03-09 02:07:08,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:07:08,314 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.307692307692308) internal successors, (199), 14 states have internal predecessors, (199), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 286 [2025-03-09 02:07:08,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:08,315 INFO L225 Difference]: With dead ends: 511 [2025-03-09 02:07:08,315 INFO L226 Difference]: Without dead ends: 476 [2025-03-09 02:07:08,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:07:08,316 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 107 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 3755 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:08,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 794 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3755 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-09 02:07:08,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-09 02:07:08,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 472. [2025-03-09 02:07:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 413 states have (on average 1.1041162227602905) internal successors, (456), 437 states have internal predecessors, (456), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:07:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 522 transitions. [2025-03-09 02:07:08,339 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 522 transitions. Word has length 286 [2025-03-09 02:07:08,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:08,339 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 522 transitions. [2025-03-09 02:07:08,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.307692307692308) internal successors, (199), 14 states have internal predecessors, (199), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-03-09 02:07:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 522 transitions. [2025-03-09 02:07:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2025-03-09 02:07:08,341 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:08,341 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:08,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-09 02:07:08,541 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,SelfDestructingSolverStorable44 [2025-03-09 02:07:08,541 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:08,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:08,543 INFO L85 PathProgramCache]: Analyzing trace with hash -28910006, now seen corresponding path program 3 times [2025-03-09 02:07:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:08,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052468443] [2025-03-09 02:07:08,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:07:08,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:08,550 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 329 statements into 8 equivalence classes. [2025-03-09 02:07:08,573 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 329 of 329 statements. [2025-03-09 02:07:08,573 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-09 02:07:08,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:08,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557657155] [2025-03-09 02:07:08,575 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:07:08,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:08,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:08,577 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) [2025-03-09 02:07:08,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-09 02:07:08,609 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 329 statements into 8 equivalence classes. [2025-03-09 02:07:08,636 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 174 of 329 statements. [2025-03-09 02:07:08,636 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-09 02:07:08,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:08,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-09 02:07:08,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-09 02:07:08,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:09,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:09,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052468443] [2025-03-09 02:07:09,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:09,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557657155] [2025-03-09 02:07:09,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557657155] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:09,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:09,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:07:09,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178904045] [2025-03-09 02:07:09,280 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:09,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:07:09,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:09,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:07:09,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:09,280 INFO L87 Difference]: Start difference. First operand 472 states and 522 transitions. Second operand has 9 states, 8 states have (on average 28.375) internal successors, (227), 9 states have internal predecessors, (227), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2025-03-09 02:07:09,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:09,900 INFO L93 Difference]: Finished difference Result 488 states and 524 transitions. [2025-03-09 02:07:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:07:09,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 28.375) internal successors, (227), 9 states have internal predecessors, (227), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 329 [2025-03-09 02:07:09,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:09,902 INFO L225 Difference]: With dead ends: 488 [2025-03-09 02:07:09,902 INFO L226 Difference]: Without dead ends: 487 [2025-03-09 02:07:09,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:07:09,902 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 120 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:09,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1450 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:07:09,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-03-09 02:07:09,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 472. [2025-03-09 02:07:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 413 states have (on average 1.1016949152542372) internal successors, (455), 437 states have internal predecessors, (455), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:07:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 521 transitions. [2025-03-09 02:07:09,923 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 521 transitions. Word has length 329 [2025-03-09 02:07:09,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:09,923 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 521 transitions. [2025-03-09 02:07:09,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 28.375) internal successors, (227), 9 states have internal predecessors, (227), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2025-03-09 02:07:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 521 transitions. [2025-03-09 02:07:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2025-03-09 02:07:09,924 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:09,924 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:09,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-09 02:07:10,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:10,125 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:10,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:10,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2012707896, now seen corresponding path program 1 times [2025-03-09 02:07:10,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:10,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060326399] [2025-03-09 02:07:10,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:10,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-03-09 02:07:10,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-03-09 02:07:10,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:10,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:10,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968410269] [2025-03-09 02:07:10,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:10,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:10,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:10,151 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) [2025-03-09 02:07:10,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-09 02:07:10,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-03-09 02:07:10,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-03-09 02:07:10,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:10,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:10,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 02:07:10,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-09 02:07:11,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:11,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:11,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060326399] [2025-03-09 02:07:11,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:11,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968410269] [2025-03-09 02:07:11,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968410269] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:11,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:11,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:07:11,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043228841] [2025-03-09 02:07:11,536 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:11,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:07:11,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:11,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:07:11,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:07:11,537 INFO L87 Difference]: Start difference. First operand 472 states and 521 transitions. Second operand has 13 states, 12 states have (on average 19.083333333333332) internal successors, (229), 13 states have internal predecessors, (229), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21)