./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 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_valuebound10.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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:53:02,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:53:02,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:53:02,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:53:02,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:53:02,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:53:02,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:53:02,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:53:02,664 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:53:02,664 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:53:02,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:53:02,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:53:02,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:53:02,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:53:02,665 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:53:02,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:53:02,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:53:02,667 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:53:02,667 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:53:02,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:53:02,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:53:02,668 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 -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2025-03-04 10:53:02,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:53:02,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:53:02,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:53:02,873 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:53:02,873 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:53:02,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2025-03-04 10:53:03,991 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b3e08e5b/e171e8e1743d4725a786461f418218d6/FLAG27d55282c [2025-03-04 10:53:04,198 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:53:04,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2025-03-04 10:53:04,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b3e08e5b/e171e8e1743d4725a786461f418218d6/FLAG27d55282c [2025-03-04 10:53:04,566 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b3e08e5b/e171e8e1743d4725a786461f418218d6 [2025-03-04 10:53:04,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:53:04,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:53:04,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:53:04,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:53:04,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:53:04,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bc32e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04, skipping insertion in model container [2025-03-04 10:53:04,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:53:04,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:53:04,702 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:53:04,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:53:04,733 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:53:04,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04 WrapperNode [2025-03-04 10:53:04,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:53:04,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:53:04,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:53:04,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:53:04,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,766 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-03-04 10:53:04,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:53:04,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:53:04,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:53:04,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:53:04,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,797 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]. [2025-03-04 10:53:04,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:53:04,812 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:53:04,812 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:53:04,812 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:53:04,813 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (1/1) ... [2025-03-04 10:53:04,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:53:04,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:04,847 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) [2025-03-04 10:53:04,850 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 [2025-03-04 10:53:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:53:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:53:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:53:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:53:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 10:53:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 10:53:04,910 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:53:04,911 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:53:05,432 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-03-04 10:53:05,433 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:53:05,448 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:53:05,450 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:53:05,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:53:05 BoogieIcfgContainer [2025-03-04 10:53:05,451 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:53:05,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:53:05,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:53:05,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:53:05,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:53:04" (1/3) ... [2025-03-04 10:53:05,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4520014f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:53:05, skipping insertion in model container [2025-03-04 10:53:05,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:53:04" (2/3) ... [2025-03-04 10:53:05,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4520014f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:53:05, skipping insertion in model container [2025-03-04 10:53:05,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:53:05" (3/3) ... [2025-03-04 10:53:05,461 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound10.c [2025-03-04 10:53:05,473 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:53:05,474 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound10.c that has 2 procedures, 302 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-03-04 10:53:05,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:53:05,538 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;@33cd1a71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:53:05,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-03-04 10:53:05,543 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) [2025-03-04 10:53:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-04 10:53:05,547 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:05,548 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-04 10:53:05,548 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)] === [2025-03-04 10:53:05,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:05,553 INFO L85 PathProgramCache]: Analyzing trace with hash 312024932, now seen corresponding path program 1 times [2025-03-04 10:53:05,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:05,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559475781] [2025-03-04 10:53:05,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:05,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:05,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 10:53:05,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 10:53:05,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:05,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:53:05,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:05,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559475781] [2025-03-04 10:53:05,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559475781] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:05,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:05,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:05,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454518929] [2025-03-04 10:53:05,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:05,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 10:53:05,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:05,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 10:53:05,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 10:53:05,666 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) [2025-03-04 10:53:05,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:05,704 INFO L93 Difference]: Finished difference Result 593 states and 636 transitions. [2025-03-04 10:53:05,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 10:53:05,705 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 [2025-03-04 10:53:05,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:05,710 INFO L225 Difference]: With dead ends: 593 [2025-03-04 10:53:05,710 INFO L226 Difference]: Without dead ends: 288 [2025-03-04 10:53:05,713 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 [2025-03-04 10:53:05,714 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 [2025-03-04 10:53:05,715 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] [2025-03-04 10:53:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-03-04 10:53:05,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2025-03-04 10:53:05,745 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) [2025-03-04 10:53:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2025-03-04 10:53:05,757 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2025-03-04 10:53:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:05,757 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2025-03-04 10:53:05,757 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) [2025-03-04 10:53:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2025-03-04 10:53:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-04 10:53:05,757 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:05,757 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-04 10:53:05,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:53:05,758 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)] === [2025-03-04 10:53:05,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:05,758 INFO L85 PathProgramCache]: Analyzing trace with hash 312025893, now seen corresponding path program 1 times [2025-03-04 10:53:05,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:05,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029737329] [2025-03-04 10:53:05,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:05,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:05,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 10:53:05,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 10:53:05,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:05,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:53:05,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:05,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029737329] [2025-03-04 10:53:05,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029737329] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:05,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:05,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:05,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830183445] [2025-03-04 10:53:05,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:05,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:05,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:05,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:05,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:05,824 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) [2025-03-04 10:53:05,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:05,963 INFO L93 Difference]: Finished difference Result 556 states and 575 transitions. [2025-03-04 10:53:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:05,964 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 [2025-03-04 10:53:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:05,966 INFO L225 Difference]: With dead ends: 556 [2025-03-04 10:53:05,966 INFO L226 Difference]: Without dead ends: 536 [2025-03-04 10:53:05,966 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 [2025-03-04 10:53:05,967 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 [2025-03-04 10:53:05,967 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] [2025-03-04 10:53:05,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-03-04 10:53:05,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 346. [2025-03-04 10:53:05,988 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) [2025-03-04 10:53:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 388 transitions. [2025-03-04 10:53:05,990 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 388 transitions. Word has length 5 [2025-03-04 10:53:05,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:05,991 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 388 transitions. [2025-03-04 10:53:05,991 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) [2025-03-04 10:53:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 388 transitions. [2025-03-04 10:53:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 10:53:05,991 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:05,991 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] [2025-03-04 10:53:05,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:53:05,992 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)] === [2025-03-04 10:53:05,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:05,992 INFO L85 PathProgramCache]: Analyzing trace with hash -857936794, now seen corresponding path program 1 times [2025-03-04 10:53:05,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:05,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008322978] [2025-03-04 10:53:05,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:05,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:06,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 10:53:06,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 10:53:06,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:06,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076479669] [2025-03-04 10:53:06,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:06,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:06,051 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) [2025-03-04 10:53:06,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:53:06,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 10:53:06,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 10:53:06,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:06,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:53:06,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:06,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:06,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:06,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008322978] [2025-03-04 10:53:06,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:06,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076479669] [2025-03-04 10:53:06,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076479669] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:06,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:06,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:06,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298819135] [2025-03-04 10:53:06,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:06,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:06,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:06,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:06,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:06,209 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) [2025-03-04 10:53:06,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:06,585 INFO L93 Difference]: Finished difference Result 506 states and 563 transitions. [2025-03-04 10:53:06,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:06,585 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 [2025-03-04 10:53:06,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:06,587 INFO L225 Difference]: With dead ends: 506 [2025-03-04 10:53:06,587 INFO L226 Difference]: Without dead ends: 451 [2025-03-04 10:53:06,587 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 [2025-03-04 10:53:06,588 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 [2025-03-04 10:53:06,588 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] [2025-03-04 10:53:06,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-04 10:53:06,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 431. [2025-03-04 10:53:06,599 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) [2025-03-04 10:53:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 501 transitions. [2025-03-04 10:53:06,616 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 501 transitions. Word has length 38 [2025-03-04 10:53:06,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:06,616 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 501 transitions. [2025-03-04 10:53:06,616 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) [2025-03-04 10:53:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 501 transitions. [2025-03-04 10:53:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 10:53:06,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:06,617 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] [2025-03-04 10:53:06,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:53:06,820 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 [2025-03-04 10:53:06,820 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)] === [2025-03-04 10:53:06,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:06,821 INFO L85 PathProgramCache]: Analyzing trace with hash 156468804, now seen corresponding path program 1 times [2025-03-04 10:53:06,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:06,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815395922] [2025-03-04 10:53:06,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:06,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 10:53:06,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 10:53:06,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:06,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815395922] [2025-03-04 10:53:06,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815395922] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:06,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:06,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:06,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936109845] [2025-03-04 10:53:06,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:06,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:06,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:06,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:06,942 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) [2025-03-04 10:53:07,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:07,168 INFO L93 Difference]: Finished difference Result 464 states and 508 transitions. [2025-03-04 10:53:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:07,168 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 [2025-03-04 10:53:07,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:07,170 INFO L225 Difference]: With dead ends: 464 [2025-03-04 10:53:07,170 INFO L226 Difference]: Without dead ends: 441 [2025-03-04 10:53:07,170 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 [2025-03-04 10:53:07,171 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 [2025-03-04 10:53:07,171 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] [2025-03-04 10:53:07,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-04 10:53:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-04 10:53:07,185 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) [2025-03-04 10:53:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 478 transitions. [2025-03-04 10:53:07,187 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 478 transitions. Word has length 40 [2025-03-04 10:53:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:07,187 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 478 transitions. [2025-03-04 10:53:07,187 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) [2025-03-04 10:53:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 478 transitions. [2025-03-04 10:53:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 10:53:07,188 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:07,188 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] [2025-03-04 10:53:07,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:53:07,188 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)] === [2025-03-04 10:53:07,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:07,189 INFO L85 PathProgramCache]: Analyzing trace with hash 42672162, now seen corresponding path program 1 times [2025-03-04 10:53:07,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:07,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842667563] [2025-03-04 10:53:07,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:07,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 10:53:07,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 10:53:07,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:07,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:07,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:07,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842667563] [2025-03-04 10:53:07,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842667563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:07,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:07,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:07,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401694426] [2025-03-04 10:53:07,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:07,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:07,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:07,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:07,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:07,264 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) [2025-03-04 10:53:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:07,539 INFO L93 Difference]: Finished difference Result 443 states and 485 transitions. [2025-03-04 10:53:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:07,540 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 [2025-03-04 10:53:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:07,541 INFO L225 Difference]: With dead ends: 443 [2025-03-04 10:53:07,541 INFO L226 Difference]: Without dead ends: 441 [2025-03-04 10:53:07,542 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 [2025-03-04 10:53:07,542 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2025-03-04 10:53:07,542 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] [2025-03-04 10:53:07,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-04 10:53:07,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-04 10:53:07,550 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) [2025-03-04 10:53:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 476 transitions. [2025-03-04 10:53:07,551 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 476 transitions. Word has length 42 [2025-03-04 10:53:07,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:07,552 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 476 transitions. [2025-03-04 10:53:07,552 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) [2025-03-04 10:53:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 476 transitions. [2025-03-04 10:53:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-04 10:53:07,552 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:07,553 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] [2025-03-04 10:53:07,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:53:07,553 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)] === [2025-03-04 10:53:07,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:07,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1322837233, now seen corresponding path program 1 times [2025-03-04 10:53:07,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:07,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899819683] [2025-03-04 10:53:07,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:07,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-04 10:53:07,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 10:53:07,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:07,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:07,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:07,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899819683] [2025-03-04 10:53:07,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899819683] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:07,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:07,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:07,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978694190] [2025-03-04 10:53:07,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:07,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:07,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:07,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:07,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:07,641 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) [2025-03-04 10:53:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:08,659 INFO L93 Difference]: Finished difference Result 443 states and 483 transitions. [2025-03-04 10:53:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:08,659 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 [2025-03-04 10:53:08,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:08,661 INFO L225 Difference]: With dead ends: 443 [2025-03-04 10:53:08,661 INFO L226 Difference]: Without dead ends: 441 [2025-03-04 10:53:08,662 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 [2025-03-04 10:53:08,663 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 136 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:08,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 448 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:53:08,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-04 10:53:08,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-04 10:53:08,676 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) [2025-03-04 10:53:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 474 transitions. [2025-03-04 10:53:08,679 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 474 transitions. Word has length 43 [2025-03-04 10:53:08,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:08,679 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 474 transitions. [2025-03-04 10:53:08,680 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) [2025-03-04 10:53:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 474 transitions. [2025-03-04 10:53:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-04 10:53:08,680 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:08,680 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] [2025-03-04 10:53:08,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 10:53:08,680 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)] === [2025-03-04 10:53:08,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:08,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1975692322, now seen corresponding path program 1 times [2025-03-04 10:53:08,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:08,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400378560] [2025-03-04 10:53:08,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:08,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:08,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 10:53:08,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 10:53:08,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:08,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:08,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382624810] [2025-03-04 10:53:08,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:08,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:08,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:08,707 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) [2025-03-04 10:53:08,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:53:08,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 10:53:08,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 10:53:08,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:08,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:08,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:53:08,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:08,887 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:08,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:08,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400378560] [2025-03-04 10:53:08,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:08,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382624810] [2025-03-04 10:53:08,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382624810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:08,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:08,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:08,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389966887] [2025-03-04 10:53:08,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:08,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:08,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:08,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:08,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:08,888 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) [2025-03-04 10:53:09,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:09,193 INFO L93 Difference]: Finished difference Result 448 states and 481 transitions. [2025-03-04 10:53:09,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:09,193 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 [2025-03-04 10:53:09,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:09,194 INFO L225 Difference]: With dead ends: 448 [2025-03-04 10:53:09,195 INFO L226 Difference]: Without dead ends: 439 [2025-03-04 10:53:09,195 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 [2025-03-04 10:53:09,195 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2025-03-04 10:53:09,195 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] [2025-03-04 10:53:09,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-04 10:53:09,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 434. [2025-03-04 10:53:09,204 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) [2025-03-04 10:53:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 471 transitions. [2025-03-04 10:53:09,205 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 471 transitions. Word has length 46 [2025-03-04 10:53:09,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:09,206 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 471 transitions. [2025-03-04 10:53:09,206 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) [2025-03-04 10:53:09,206 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 471 transitions. [2025-03-04 10:53:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-04 10:53:09,206 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:09,206 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] [2025-03-04 10:53:09,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:09,411 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 [2025-03-04 10:53:09,411 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)] === [2025-03-04 10:53:09,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:09,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1116919635, now seen corresponding path program 1 times [2025-03-04 10:53:09,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:09,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066765828] [2025-03-04 10:53:09,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:09,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:09,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 10:53:09,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 10:53:09,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:09,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:09,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:09,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066765828] [2025-03-04 10:53:09,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066765828] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:09,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:09,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:09,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038727296] [2025-03-04 10:53:09,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:09,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:09,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:09,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:09,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:09,506 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) [2025-03-04 10:53:09,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:09,935 INFO L93 Difference]: Finished difference Result 447 states and 472 transitions. [2025-03-04 10:53:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:09,937 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 [2025-03-04 10:53:09,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:09,938 INFO L225 Difference]: With dead ends: 447 [2025-03-04 10:53:09,938 INFO L226 Difference]: Without dead ends: 441 [2025-03-04 10:53:09,939 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 [2025-03-04 10:53:09,939 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 132 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2025-03-04 10:53:09,939 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] [2025-03-04 10:53:09,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-04 10:53:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 434. [2025-03-04 10:53:09,948 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) [2025-03-04 10:53:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 465 transitions. [2025-03-04 10:53:09,950 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 465 transitions. Word has length 47 [2025-03-04 10:53:09,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:09,951 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 465 transitions. [2025-03-04 10:53:09,951 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) [2025-03-04 10:53:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 465 transitions. [2025-03-04 10:53:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-04 10:53:09,952 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:09,952 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] [2025-03-04 10:53:09,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 10:53:09,952 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)] === [2025-03-04 10:53:09,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:09,953 INFO L85 PathProgramCache]: Analyzing trace with hash 2088594537, now seen corresponding path program 1 times [2025-03-04 10:53:09,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:09,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069653460] [2025-03-04 10:53:09,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:09,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:09,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:53:09,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:53:09,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:09,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:10,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:10,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069653460] [2025-03-04 10:53:10,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069653460] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:10,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:10,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:10,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146911253] [2025-03-04 10:53:10,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:10,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:10,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:10,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:10,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:10,053 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) [2025-03-04 10:53:10,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:10,347 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2025-03-04 10:53:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:10,347 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 [2025-03-04 10:53:10,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:10,349 INFO L225 Difference]: With dead ends: 445 [2025-03-04 10:53:10,349 INFO L226 Difference]: Without dead ends: 372 [2025-03-04 10:53:10,349 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 [2025-03-04 10:53:10,350 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:10,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 269 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:53:10,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-04 10:53:10,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 368. [2025-03-04 10:53:10,356 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) [2025-03-04 10:53:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 390 transitions. [2025-03-04 10:53:10,358 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 390 transitions. Word has length 51 [2025-03-04 10:53:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:10,358 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 390 transitions. [2025-03-04 10:53:10,358 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) [2025-03-04 10:53:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 390 transitions. [2025-03-04 10:53:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:53:10,359 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:10,359 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] [2025-03-04 10:53:10,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 10:53:10,359 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)] === [2025-03-04 10:53:10,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:10,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1053201178, now seen corresponding path program 1 times [2025-03-04 10:53:10,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:10,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420715003] [2025-03-04 10:53:10,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:10,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:53:10,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:53:10,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:10,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:10,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:10,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420715003] [2025-03-04 10:53:10,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420715003] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:10,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:10,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:10,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59559585] [2025-03-04 10:53:10,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:10,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:10,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:10,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:10,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:10,439 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) [2025-03-04 10:53:10,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:10,700 INFO L93 Difference]: Finished difference Result 368 states and 390 transitions. [2025-03-04 10:53:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:10,700 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 [2025-03-04 10:53:10,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:10,701 INFO L225 Difference]: With dead ends: 368 [2025-03-04 10:53:10,701 INFO L226 Difference]: Without dead ends: 361 [2025-03-04 10:53:10,702 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 [2025-03-04 10:53:10,702 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 [2025-03-04 10:53:10,702 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] [2025-03-04 10:53:10,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-04 10:53:10,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-04 10:53:10,709 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) [2025-03-04 10:53:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 383 transitions. [2025-03-04 10:53:10,710 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 383 transitions. Word has length 83 [2025-03-04 10:53:10,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:10,710 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 383 transitions. [2025-03-04 10:53:10,710 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) [2025-03-04 10:53:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 383 transitions. [2025-03-04 10:53:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-04 10:53:10,711 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:10,711 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] [2025-03-04 10:53:10,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 10:53:10,711 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)] === [2025-03-04 10:53:10,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:10,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1710501997, now seen corresponding path program 1 times [2025-03-04 10:53:10,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:10,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919785523] [2025-03-04 10:53:10,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:10,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:53:10,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:53:10,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:10,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:10,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:10,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919785523] [2025-03-04 10:53:10,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919785523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:10,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:10,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:10,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453570392] [2025-03-04 10:53:10,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:10,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:10,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:10,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:10,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:10,775 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) [2025-03-04 10:53:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:10,932 INFO L93 Difference]: Finished difference Result 368 states and 386 transitions. [2025-03-04 10:53:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:10,932 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 [2025-03-04 10:53:10,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:10,933 INFO L225 Difference]: With dead ends: 368 [2025-03-04 10:53:10,934 INFO L226 Difference]: Without dead ends: 367 [2025-03-04 10:53:10,934 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 [2025-03-04 10:53:10,934 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:10,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 392 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:53:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-03-04 10:53:10,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2025-03-04 10:53:10,940 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) [2025-03-04 10:53:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2025-03-04 10:53:10,942 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2025-03-04 10:53:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:10,942 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2025-03-04 10:53:10,942 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) [2025-03-04 10:53:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2025-03-04 10:53:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-04 10:53:10,943 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:10,943 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] [2025-03-04 10:53:10,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 10:53:10,943 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)] === [2025-03-04 10:53:10,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:10,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1214160528, now seen corresponding path program 1 times [2025-03-04 10:53:10,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:10,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816778437] [2025-03-04 10:53:10,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:10,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:10,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 10:53:10,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 10:53:10,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:10,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:11,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:11,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816778437] [2025-03-04 10:53:11,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816778437] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:11,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:11,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:11,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769638686] [2025-03-04 10:53:11,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:11,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:11,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:11,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:11,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:11,029 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) [2025-03-04 10:53:11,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:11,090 INFO L93 Difference]: Finished difference Result 363 states and 385 transitions. [2025-03-04 10:53:11,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:11,091 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 [2025-03-04 10:53:11,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:11,092 INFO L225 Difference]: With dead ends: 363 [2025-03-04 10:53:11,092 INFO L226 Difference]: Without dead ends: 361 [2025-03-04 10:53:11,092 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 [2025-03-04 10:53:11,092 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 [2025-03-04 10:53:11,093 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] [2025-03-04 10:53:11,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-04 10:53:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-04 10:53:11,102 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) [2025-03-04 10:53:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 381 transitions. [2025-03-04 10:53:11,104 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 381 transitions. Word has length 86 [2025-03-04 10:53:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:11,104 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 381 transitions. [2025-03-04 10:53:11,104 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) [2025-03-04 10:53:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 381 transitions. [2025-03-04 10:53:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 10:53:11,105 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:11,105 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] [2025-03-04 10:53:11,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 10:53:11,106 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)] === [2025-03-04 10:53:11,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:11,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1485954615, now seen corresponding path program 1 times [2025-03-04 10:53:11,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:11,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435778828] [2025-03-04 10:53:11,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:11,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:53:11,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:53:11,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:11,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:11,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435778828] [2025-03-04 10:53:11,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435778828] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:11,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243896771] [2025-03-04 10:53:11,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:11,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:11,188 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) [2025-03-04 10:53:11,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:53:11,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:53:11,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:53:11,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:53:11,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:11,308 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:11,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243896771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:11,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:11,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-04 10:53:11,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012615206] [2025-03-04 10:53:11,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:11,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:11,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:11,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:11,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:53:11,311 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) [2025-03-04 10:53:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:11,396 INFO L93 Difference]: Finished difference Result 365 states and 381 transitions. [2025-03-04 10:53:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:11,396 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 [2025-03-04 10:53:11,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:11,398 INFO L225 Difference]: With dead ends: 365 [2025-03-04 10:53:11,398 INFO L226 Difference]: Without dead ends: 357 [2025-03-04 10:53:11,398 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 [2025-03-04 10:53:11,398 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 [2025-03-04 10:53:11,398 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] [2025-03-04 10:53:11,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-04 10:53:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2025-03-04 10:53:11,406 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) [2025-03-04 10:53:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 373 transitions. [2025-03-04 10:53:11,407 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 373 transitions. Word has length 85 [2025-03-04 10:53:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:11,407 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 373 transitions. [2025-03-04 10:53:11,407 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) [2025-03-04 10:53:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 373 transitions. [2025-03-04 10:53:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 10:53:11,408 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:11,408 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] [2025-03-04 10:53:11,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:11,613 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 [2025-03-04 10:53:11,613 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)] === [2025-03-04 10:53:11,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:11,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1015729430, now seen corresponding path program 1 times [2025-03-04 10:53:11,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:11,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069779855] [2025-03-04 10:53:11,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:11,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:53:11,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:53:11,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:11,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069779855] [2025-03-04 10:53:11,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069779855] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:11,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:11,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:53:11,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150683909] [2025-03-04 10:53:11,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:11,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:11,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:11,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:11,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:53:11,680 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) [2025-03-04 10:53:11,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:11,798 INFO L93 Difference]: Finished difference Result 357 states and 373 transitions. [2025-03-04 10:53:11,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:11,798 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 [2025-03-04 10:53:11,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:11,799 INFO L225 Difference]: With dead ends: 357 [2025-03-04 10:53:11,800 INFO L226 Difference]: Without dead ends: 353 [2025-03-04 10:53:11,800 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 [2025-03-04 10:53:11,800 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 [2025-03-04 10:53:11,801 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] [2025-03-04 10:53:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-03-04 10:53:11,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2025-03-04 10:53:11,808 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) [2025-03-04 10:53:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 369 transitions. [2025-03-04 10:53:11,809 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 369 transitions. Word has length 87 [2025-03-04 10:53:11,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:11,809 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 369 transitions. [2025-03-04 10:53:11,809 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) [2025-03-04 10:53:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 369 transitions. [2025-03-04 10:53:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-04 10:53:11,810 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:11,810 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] [2025-03-04 10:53:11,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 10:53:11,811 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)] === [2025-03-04 10:53:11,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1180046933, now seen corresponding path program 1 times [2025-03-04 10:53:11,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:11,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275362083] [2025-03-04 10:53:11,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:11,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 10:53:11,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 10:53:11,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:11,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:11,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275362083] [2025-03-04 10:53:11,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275362083] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:11,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881222029] [2025-03-04 10:53:11,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:11,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:11,877 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) [2025-03-04 10:53:11,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:53:11,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 10:53:11,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 10:53:11,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:53:11,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:11,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:12,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881222029] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:12,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:12,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-04 10:53:12,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303186564] [2025-03-04 10:53:12,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:12,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:53:12,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:12,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:53:12,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:53:12,066 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) [2025-03-04 10:53:12,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:12,199 INFO L93 Difference]: Finished difference Result 610 states and 648 transitions. [2025-03-04 10:53:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:12,200 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 [2025-03-04 10:53:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:12,202 INFO L225 Difference]: With dead ends: 610 [2025-03-04 10:53:12,202 INFO L226 Difference]: Without dead ends: 602 [2025-03-04 10:53:12,202 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 [2025-03-04 10:53:12,202 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 [2025-03-04 10:53:12,202 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] [2025-03-04 10:53:12,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-03-04 10:53:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 409. [2025-03-04 10:53:12,213 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) [2025-03-04 10:53:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 467 transitions. [2025-03-04 10:53:12,214 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 467 transitions. Word has length 86 [2025-03-04 10:53:12,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:12,215 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 467 transitions. [2025-03-04 10:53:12,215 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) [2025-03-04 10:53:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 467 transitions. [2025-03-04 10:53:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:53:12,216 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:12,217 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] [2025-03-04 10:53:12,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:12,417 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 [2025-03-04 10:53:12,417 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)] === [2025-03-04 10:53:12,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:12,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1503557041, now seen corresponding path program 1 times [2025-03-04 10:53:12,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:12,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342340709] [2025-03-04 10:53:12,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:12,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:12,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:53:12,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:53:12,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:12,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:12,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524794595] [2025-03-04 10:53:12,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:12,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:12,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:12,435 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) [2025-03-04 10:53:12,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:53:12,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:53:12,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:53:12,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:12,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:12,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:53:12,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:12,567 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:12,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:12,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:12,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342340709] [2025-03-04 10:53:12,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:12,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524794595] [2025-03-04 10:53:12,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524794595] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:12,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:12,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-04 10:53:12,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83415441] [2025-03-04 10:53:12,706 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:12,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:53:12,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:12,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:53:12,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:53:12,707 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) [2025-03-04 10:53:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:12,876 INFO L93 Difference]: Finished difference Result 612 states and 644 transitions. [2025-03-04 10:53:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:12,876 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 [2025-03-04 10:53:12,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:12,878 INFO L225 Difference]: With dead ends: 612 [2025-03-04 10:53:12,878 INFO L226 Difference]: Without dead ends: 607 [2025-03-04 10:53:12,879 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 [2025-03-04 10:53:12,880 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 [2025-03-04 10:53:12,880 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] [2025-03-04 10:53:12,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-03-04 10:53:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 414. [2025-03-04 10:53:12,893 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) [2025-03-04 10:53:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 469 transitions. [2025-03-04 10:53:12,895 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 469 transitions. Word has length 97 [2025-03-04 10:53:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:12,896 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 469 transitions. [2025-03-04 10:53:12,896 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) [2025-03-04 10:53:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 469 transitions. [2025-03-04 10:53:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-04 10:53:12,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:12,897 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] [2025-03-04 10:53:12,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:13,097 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 [2025-03-04 10:53:13,098 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)] === [2025-03-04 10:53:13,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:13,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1039189943, now seen corresponding path program 1 times [2025-03-04 10:53:13,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:13,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887513940] [2025-03-04 10:53:13,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:13,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-04 10:53:13,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-04 10:53:13,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-04 10:53:13,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:13,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887513940] [2025-03-04 10:53:13,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887513940] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:13,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:13,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:53:13,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080459423] [2025-03-04 10:53:13,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:13,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:13,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:13,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:13,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:53:13,279 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) [2025-03-04 10:53:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:13,424 INFO L93 Difference]: Finished difference Result 420 states and 472 transitions. [2025-03-04 10:53:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:53:13,425 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 [2025-03-04 10:53:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:13,426 INFO L225 Difference]: With dead ends: 420 [2025-03-04 10:53:13,426 INFO L226 Difference]: Without dead ends: 392 [2025-03-04 10:53:13,426 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 [2025-03-04 10:53:13,427 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 [2025-03-04 10:53:13,427 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] [2025-03-04 10:53:13,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-04 10:53:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-03-04 10:53:13,440 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) [2025-03-04 10:53:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 443 transitions. [2025-03-04 10:53:13,441 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 443 transitions. Word has length 103 [2025-03-04 10:53:13,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:13,442 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 443 transitions. [2025-03-04 10:53:13,442 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) [2025-03-04 10:53:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 443 transitions. [2025-03-04 10:53:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-04 10:53:13,443 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:13,443 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] [2025-03-04 10:53:13,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-04 10:53:13,443 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)] === [2025-03-04 10:53:13,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:13,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1503437932, now seen corresponding path program 1 times [2025-03-04 10:53:13,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:13,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482553545] [2025-03-04 10:53:13,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:13,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 10:53:13,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 10:53:13,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:13,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478976276] [2025-03-04 10:53:13,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:13,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:13,470 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) [2025-03-04 10:53:13,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 10:53:13,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 10:53:13,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 10:53:13,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:13,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:53:13,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:13,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:13,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:13,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482553545] [2025-03-04 10:53:13,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:13,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478976276] [2025-03-04 10:53:13,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478976276] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:13,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:13,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:53:13,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139272584] [2025-03-04 10:53:13,914 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:13,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:13,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:13,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:13,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:13,915 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) [2025-03-04 10:53:14,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:14,365 INFO L93 Difference]: Finished difference Result 518 states and 606 transitions. [2025-03-04 10:53:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:53:14,365 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 [2025-03-04 10:53:14,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:14,367 INFO L225 Difference]: With dead ends: 518 [2025-03-04 10:53:14,367 INFO L226 Difference]: Without dead ends: 493 [2025-03-04 10:53:14,367 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 [2025-03-04 10:53:14,368 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, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:14,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 321 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:53:14,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-03-04 10:53:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 477. [2025-03-04 10:53:14,378 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) [2025-03-04 10:53:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 574 transitions. [2025-03-04 10:53:14,380 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 574 transitions. Word has length 118 [2025-03-04 10:53:14,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:14,380 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 574 transitions. [2025-03-04 10:53:14,380 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) [2025-03-04 10:53:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 574 transitions. [2025-03-04 10:53:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-04 10:53:14,381 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:14,381 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] [2025-03-04 10:53:14,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 10:53:14,585 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 [2025-03-04 10:53:14,585 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)] === [2025-03-04 10:53:14,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:14,586 INFO L85 PathProgramCache]: Analyzing trace with hash 638064583, now seen corresponding path program 1 times [2025-03-04 10:53:14,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:14,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9121803] [2025-03-04 10:53:14,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:14,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:14,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-04 10:53:14,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-04 10:53:14,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:14,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:14,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [720264468] [2025-03-04 10:53:14,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:14,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:14,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:14,602 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) [2025-03-04 10:53:14,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 10:53:14,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-04 10:53:14,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-04 10:53:14,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:14,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:14,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:53:14,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:14,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:15,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:15,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9121803] [2025-03-04 10:53:15,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:15,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720264468] [2025-03-04 10:53:15,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720264468] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:15,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:15,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:53:15,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309084576] [2025-03-04 10:53:15,159 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:15,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:15,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:15,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:15,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:15,159 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) [2025-03-04 10:53:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:15,657 INFO L93 Difference]: Finished difference Result 509 states and 581 transitions. [2025-03-04 10:53:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:53:15,657 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 [2025-03-04 10:53:15,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:15,659 INFO L225 Difference]: With dead ends: 509 [2025-03-04 10:53:15,659 INFO L226 Difference]: Without dead ends: 493 [2025-03-04 10:53:15,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:15,660 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 [2025-03-04 10:53:15,660 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] [2025-03-04 10:53:15,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-03-04 10:53:15,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 477. [2025-03-04 10:53:15,669 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) [2025-03-04 10:53:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 558 transitions. [2025-03-04 10:53:15,670 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 558 transitions. Word has length 119 [2025-03-04 10:53:15,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:15,670 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 558 transitions. [2025-03-04 10:53:15,671 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) [2025-03-04 10:53:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 558 transitions. [2025-03-04 10:53:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-04 10:53:15,671 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:15,672 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] [2025-03-04 10:53:15,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 10:53:15,872 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 [2025-03-04 10:53:15,873 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)] === [2025-03-04 10:53:15,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:15,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1694834190, now seen corresponding path program 1 times [2025-03-04 10:53:15,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:15,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725507259] [2025-03-04 10:53:15,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:15,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:15,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-04 10:53:15,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-04 10:53:15,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:15,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:15,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:15,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725507259] [2025-03-04 10:53:15,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725507259] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:15,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247628014] [2025-03-04 10:53:15,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:15,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:15,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:15,957 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) [2025-03-04 10:53:15,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 10:53:15,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-04 10:53:15,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-04 10:53:15,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:15,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:15,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:15,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:16,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:16,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247628014] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:16,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:16,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-04 10:53:16,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155808350] [2025-03-04 10:53:16,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:16,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:16,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:16,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:16,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:16,264 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) [2025-03-04 10:53:16,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:16,745 INFO L93 Difference]: Finished difference Result 493 states and 565 transitions. [2025-03-04 10:53:16,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:16,746 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 [2025-03-04 10:53:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:16,747 INFO L225 Difference]: With dead ends: 493 [2025-03-04 10:53:16,747 INFO L226 Difference]: Without dead ends: 488 [2025-03-04 10:53:16,748 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 [2025-03-04 10:53:16,748 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 457 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2025-03-04 10:53:16,748 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] [2025-03-04 10:53:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-03-04 10:53:16,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 473. [2025-03-04 10:53:16,756 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) [2025-03-04 10:53:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 549 transitions. [2025-03-04 10:53:16,758 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 549 transitions. Word has length 120 [2025-03-04 10:53:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:16,758 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 549 transitions. [2025-03-04 10:53:16,758 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) [2025-03-04 10:53:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 549 transitions. [2025-03-04 10:53:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-04 10:53:16,759 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:16,759 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] [2025-03-04 10:53:16,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:16,959 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 [2025-03-04 10:53:16,960 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)] === [2025-03-04 10:53:16,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1000252123, now seen corresponding path program 1 times [2025-03-04 10:53:16,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:16,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97999643] [2025-03-04 10:53:16,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:16,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-04 10:53:16,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-04 10:53:16,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:16,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:17,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:17,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97999643] [2025-03-04 10:53:17,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97999643] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:17,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935966957] [2025-03-04 10:53:17,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:17,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:17,043 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) [2025-03-04 10:53:17,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 10:53:17,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-04 10:53:17,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-04 10:53:17,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:17,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:17,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:17,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:17,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:17,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935966957] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:17,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:17,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-04 10:53:17,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51418185] [2025-03-04 10:53:17,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:17,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:17,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:17,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:17,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:17,336 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) [2025-03-04 10:53:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:17,645 INFO L93 Difference]: Finished difference Result 489 states and 556 transitions. [2025-03-04 10:53:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:17,646 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 [2025-03-04 10:53:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:17,647 INFO L225 Difference]: With dead ends: 489 [2025-03-04 10:53:17,647 INFO L226 Difference]: Without dead ends: 484 [2025-03-04 10:53:17,647 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 [2025-03-04 10:53:17,648 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 454 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2025-03-04 10:53:17,648 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] [2025-03-04 10:53:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-04 10:53:17,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 469. [2025-03-04 10:53:17,656 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) [2025-03-04 10:53:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 540 transitions. [2025-03-04 10:53:17,657 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 540 transitions. Word has length 121 [2025-03-04 10:53:17,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:17,658 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 540 transitions. [2025-03-04 10:53:17,658 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) [2025-03-04 10:53:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 540 transitions. [2025-03-04 10:53:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-04 10:53:17,658 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:17,659 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] [2025-03-04 10:53:17,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 10:53:17,859 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 [2025-03-04 10:53:17,859 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)] === [2025-03-04 10:53:17,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:17,860 INFO L85 PathProgramCache]: Analyzing trace with hash -943044528, now seen corresponding path program 1 times [2025-03-04 10:53:17,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:17,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884247621] [2025-03-04 10:53:17,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:17,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:17,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:53:17,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:53:17,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:17,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:17,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916068925] [2025-03-04 10:53:17,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:17,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:17,880 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) [2025-03-04 10:53:17,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 10:53:17,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:53:17,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:53:17,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:17,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:17,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:17,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:18,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:18,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:18,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884247621] [2025-03-04 10:53:18,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:18,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916068925] [2025-03-04 10:53:18,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916068925] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:18,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:18,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:53:18,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298718575] [2025-03-04 10:53:18,354 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:18,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:53:18,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:18,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:53:18,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:18,355 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) [2025-03-04 10:53:18,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:18,824 INFO L93 Difference]: Finished difference Result 488 states and 547 transitions. [2025-03-04 10:53:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:18,827 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 [2025-03-04 10:53:18,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:18,829 INFO L225 Difference]: With dead ends: 488 [2025-03-04 10:53:18,829 INFO L226 Difference]: Without dead ends: 473 [2025-03-04 10:53:18,829 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 [2025-03-04 10:53:18,831 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 [2025-03-04 10:53:18,831 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] [2025-03-04 10:53:18,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-03-04 10:53:18,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 472. [2025-03-04 10:53:18,844 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) [2025-03-04 10:53:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 531 transitions. [2025-03-04 10:53:18,846 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 531 transitions. Word has length 122 [2025-03-04 10:53:18,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:18,846 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 531 transitions. [2025-03-04 10:53:18,846 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) [2025-03-04 10:53:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 531 transitions. [2025-03-04 10:53:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-04 10:53:18,847 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:18,847 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] [2025-03-04 10:53:18,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:19,047 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 [2025-03-04 10:53:19,048 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)] === [2025-03-04 10:53:19,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:19,048 INFO L85 PathProgramCache]: Analyzing trace with hash 830390915, now seen corresponding path program 1 times [2025-03-04 10:53:19,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:19,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530136119] [2025-03-04 10:53:19,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:19,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:19,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-04 10:53:19,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:53:19,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:19,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:19,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:19,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530136119] [2025-03-04 10:53:19,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530136119] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:19,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865672524] [2025-03-04 10:53:19,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:19,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:19,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:19,133 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) [2025-03-04 10:53:19,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 10:53:19,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-04 10:53:19,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:53:19,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:19,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:19,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:53:19,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:19,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865672524] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:19,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:19,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2025-03-04 10:53:19,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426044136] [2025-03-04 10:53:19,466 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:19,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:19,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:19,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:19,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:19,467 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) [2025-03-04 10:53:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:20,217 INFO L93 Difference]: Finished difference Result 486 states and 532 transitions. [2025-03-04 10:53:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:20,218 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 [2025-03-04 10:53:20,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:20,219 INFO L225 Difference]: With dead ends: 486 [2025-03-04 10:53:20,219 INFO L226 Difference]: Without dead ends: 484 [2025-03-04 10:53:20,219 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 [2025-03-04 10:53:20,220 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 393 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:20,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 576 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:53:20,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-04 10:53:20,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 472. [2025-03-04 10:53:20,228 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) [2025-03-04 10:53:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 529 transitions. [2025-03-04 10:53:20,229 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 529 transitions. Word has length 123 [2025-03-04 10:53:20,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:20,230 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 529 transitions. [2025-03-04 10:53:20,230 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) [2025-03-04 10:53:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 529 transitions. [2025-03-04 10:53:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 10:53:20,230 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:20,230 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] [2025-03-04 10:53:20,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-04 10:53:20,431 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 [2025-03-04 10:53:20,431 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)] === [2025-03-04 10:53:20,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:20,431 INFO L85 PathProgramCache]: Analyzing trace with hash -135926465, now seen corresponding path program 1 times [2025-03-04 10:53:20,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:20,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707313307] [2025-03-04 10:53:20,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:20,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:20,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 10:53:20,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 10:53:20,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:20,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:20,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:20,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707313307] [2025-03-04 10:53:20,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707313307] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:20,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985002976] [2025-03-04 10:53:20,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:20,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:20,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:20,510 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) [2025-03-04 10:53:20,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 10:53:20,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 10:53:20,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 10:53:20,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:20,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:20,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:53:20,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:20,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:20,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985002976] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:20,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:20,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-03-04 10:53:20,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846273997] [2025-03-04 10:53:20,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:20,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:53:20,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:20,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:53:20,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:53:20,944 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) [2025-03-04 10:53:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:22,455 INFO L93 Difference]: Finished difference Result 472 states and 529 transitions. [2025-03-04 10:53:22,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:53:22,456 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 [2025-03-04 10:53:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:22,457 INFO L225 Difference]: With dead ends: 472 [2025-03-04 10:53:22,457 INFO L226 Difference]: Without dead ends: 444 [2025-03-04 10:53:22,457 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 [2025-03-04 10:53:22,457 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 270 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:22,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 377 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-04 10:53:22,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-04 10:53:22,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-04 10:53:22,466 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) [2025-03-04 10:53:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 496 transitions. [2025-03-04 10:53:22,468 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 496 transitions. Word has length 127 [2025-03-04 10:53:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:22,468 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 496 transitions. [2025-03-04 10:53:22,468 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) [2025-03-04 10:53:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 496 transitions. [2025-03-04 10:53:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-04 10:53:22,471 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:22,471 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] [2025-03-04 10:53:22,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:22,672 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 [2025-03-04 10:53:22,672 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)] === [2025-03-04 10:53:22,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:22,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1929537541, now seen corresponding path program 1 times [2025-03-04 10:53:22,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:22,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044304939] [2025-03-04 10:53:22,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:22,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:22,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-04 10:53:22,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:53:22,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:22,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:22,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:22,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044304939] [2025-03-04 10:53:22,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044304939] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:22,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459649913] [2025-03-04 10:53:22,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:22,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:22,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:22,755 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) [2025-03-04 10:53:22,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 10:53:22,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-04 10:53:22,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:53:22,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:22,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:22,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:53:22,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:23,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:24,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459649913] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:24,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:24,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2025-03-04 10:53:24,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564561576] [2025-03-04 10:53:24,820 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:24,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:53:24,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:24,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:53:24,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:53:24,821 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) [2025-03-04 10:53:25,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:25,710 INFO L93 Difference]: Finished difference Result 444 states and 496 transitions. [2025-03-04 10:53:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:53:25,711 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 [2025-03-04 10:53:25,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:25,712 INFO L225 Difference]: With dead ends: 444 [2025-03-04 10:53:25,712 INFO L226 Difference]: Without dead ends: 404 [2025-03-04 10:53:25,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:53:25,713 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 241 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:25,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 409 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:53:25,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-04 10:53:25,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-03-04 10:53:25,721 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) [2025-03-04 10:53:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 450 transitions. [2025-03-04 10:53:25,721 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 450 transitions. Word has length 131 [2025-03-04 10:53:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:25,722 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 450 transitions. [2025-03-04 10:53:25,722 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) [2025-03-04 10:53:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 450 transitions. [2025-03-04 10:53:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-04 10:53:25,723 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:25,723 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] [2025-03-04 10:53:25,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:25,923 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 [2025-03-04 10:53:25,924 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)] === [2025-03-04 10:53:25,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:25,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1915178913, now seen corresponding path program 1 times [2025-03-04 10:53:25,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:25,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015587661] [2025-03-04 10:53:25,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:25,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:25,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-04 10:53:25,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-04 10:53:25,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:25,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-04 10:53:25,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:25,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015587661] [2025-03-04 10:53:25,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015587661] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:25,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:25,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:25,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201239398] [2025-03-04 10:53:25,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:25,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:25,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:25,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:25,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:25,984 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) [2025-03-04 10:53:26,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:26,178 INFO L93 Difference]: Finished difference Result 404 states and 450 transitions. [2025-03-04 10:53:26,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:26,179 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 [2025-03-04 10:53:26,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:26,180 INFO L225 Difference]: With dead ends: 404 [2025-03-04 10:53:26,180 INFO L226 Difference]: Without dead ends: 403 [2025-03-04 10:53:26,180 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 [2025-03-04 10:53:26,180 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 [2025-03-04 10:53:26,180 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] [2025-03-04 10:53:26,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-04 10:53:26,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-04 10:53:26,188 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) [2025-03-04 10:53:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 448 transitions. [2025-03-04 10:53:26,188 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 448 transitions. Word has length 160 [2025-03-04 10:53:26,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:26,189 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 448 transitions. [2025-03-04 10:53:26,189 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) [2025-03-04 10:53:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 448 transitions. [2025-03-04 10:53:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-04 10:53:26,189 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:26,190 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] [2025-03-04 10:53:26,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-04 10:53:26,190 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)] === [2025-03-04 10:53:26,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:26,190 INFO L85 PathProgramCache]: Analyzing trace with hash -172302884, now seen corresponding path program 1 times [2025-03-04 10:53:26,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:26,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225754586] [2025-03-04 10:53:26,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:26,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:26,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-04 10:53:26,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-04 10:53:26,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:26,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:26,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226721562] [2025-03-04 10:53:26,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:26,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:26,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:26,210 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) [2025-03-04 10:53:26,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-04 10:53:26,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-04 10:53:26,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-04 10:53:26,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:26,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:26,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:53:26,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:26,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:26,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:26,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225754586] [2025-03-04 10:53:26,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:26,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226721562] [2025-03-04 10:53:26,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226721562] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:26,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:26,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:53:26,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671293856] [2025-03-04 10:53:26,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:26,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:26,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:26,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:26,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:26,989 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) [2025-03-04 10:53:27,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:27,359 INFO L93 Difference]: Finished difference Result 405 states and 448 transitions. [2025-03-04 10:53:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:27,360 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 [2025-03-04 10:53:27,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:27,361 INFO L225 Difference]: With dead ends: 405 [2025-03-04 10:53:27,361 INFO L226 Difference]: Without dead ends: 404 [2025-03-04 10:53:27,361 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 [2025-03-04 10:53:27,361 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 [2025-03-04 10:53:27,361 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] [2025-03-04 10:53:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-04 10:53:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 403. [2025-03-04 10:53:27,369 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) [2025-03-04 10:53:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 447 transitions. [2025-03-04 10:53:27,369 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 447 transitions. Word has length 168 [2025-03-04 10:53:27,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:27,370 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 447 transitions. [2025-03-04 10:53:27,370 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) [2025-03-04 10:53:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 447 transitions. [2025-03-04 10:53:27,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-04 10:53:27,370 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:27,370 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] [2025-03-04 10:53:27,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-04 10:53:27,574 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 [2025-03-04 10:53:27,575 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)] === [2025-03-04 10:53:27,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:27,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1046421978, now seen corresponding path program 1 times [2025-03-04 10:53:27,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:27,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137927086] [2025-03-04 10:53:27,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:27,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:27,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-04 10:53:27,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-04 10:53:27,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:27,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:27,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [918114789] [2025-03-04 10:53:27,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:27,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:27,590 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) [2025-03-04 10:53:27,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-04 10:53:27,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-04 10:53:27,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-04 10:53:27,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:27,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:27,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:53:27,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:27,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:28,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137927086] [2025-03-04 10:53:28,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:28,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918114789] [2025-03-04 10:53:28,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918114789] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:28,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:28,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:53:28,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318787563] [2025-03-04 10:53:28,054 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:28,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:53:28,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:28,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:53:28,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:28,055 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) [2025-03-04 10:53:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:28,456 INFO L93 Difference]: Finished difference Result 415 states and 447 transitions. [2025-03-04 10:53:28,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:28,457 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 [2025-03-04 10:53:28,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:28,458 INFO L225 Difference]: With dead ends: 415 [2025-03-04 10:53:28,458 INFO L226 Difference]: Without dead ends: 414 [2025-03-04 10:53:28,458 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 [2025-03-04 10:53:28,459 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 [2025-03-04 10:53:28,459 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] [2025-03-04 10:53:28,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2025-03-04 10:53:28,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 403. [2025-03-04 10:53:28,467 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) [2025-03-04 10:53:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 446 transitions. [2025-03-04 10:53:28,468 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 446 transitions. Word has length 169 [2025-03-04 10:53:28,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:28,468 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 446 transitions. [2025-03-04 10:53:28,469 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) [2025-03-04 10:53:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 446 transitions. [2025-03-04 10:53:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-04 10:53:28,469 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:28,470 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] [2025-03-04 10:53:28,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-04 10:53:28,670 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 [2025-03-04 10:53:28,670 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)] === [2025-03-04 10:53:28,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:28,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1084385192, now seen corresponding path program 1 times [2025-03-04 10:53:28,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:28,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204971298] [2025-03-04 10:53:28,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:28,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-04 10:53:28,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-04 10:53:28,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:28,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:28,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411231343] [2025-03-04 10:53:28,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:28,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:28,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:28,690 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) [2025-03-04 10:53:28,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-04 10:53:28,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-04 10:53:28,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-04 10:53:28,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:28,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:28,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 10:53:28,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:29,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:30,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:30,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204971298] [2025-03-04 10:53:30,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:30,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411231343] [2025-03-04 10:53:30,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411231343] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:30,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:30,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-04 10:53:30,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819914391] [2025-03-04 10:53:30,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:30,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:53:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:30,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:53:30,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:53:30,226 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) [2025-03-04 10:53:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:32,728 INFO L93 Difference]: Finished difference Result 412 states and 446 transitions. [2025-03-04 10:53:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:53:32,731 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 [2025-03-04 10:53:32,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:32,733 INFO L225 Difference]: With dead ends: 412 [2025-03-04 10:53:32,733 INFO L226 Difference]: Without dead ends: 404 [2025-03-04 10:53:32,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:53:32,733 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 619 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:32,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 277 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-04 10:53:32,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-04 10:53:32,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 403. [2025-03-04 10:53:32,748 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) [2025-03-04 10:53:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 438 transitions. [2025-03-04 10:53:32,749 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 438 transitions. Word has length 172 [2025-03-04 10:53:32,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:32,749 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 438 transitions. [2025-03-04 10:53:32,749 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) [2025-03-04 10:53:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 438 transitions. [2025-03-04 10:53:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-04 10:53:32,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:32,750 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] [2025-03-04 10:53:32,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-04 10:53:32,951 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 [2025-03-04 10:53:32,951 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)] === [2025-03-04 10:53:32,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:32,952 INFO L85 PathProgramCache]: Analyzing trace with hash -153949247, now seen corresponding path program 1 times [2025-03-04 10:53:32,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:32,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089700763] [2025-03-04 10:53:32,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:32,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:32,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-04 10:53:32,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-04 10:53:32,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:32,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:32,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865011343] [2025-03-04 10:53:32,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:32,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:32,971 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) [2025-03-04 10:53:32,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-04 10:53:32,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-04 10:53:33,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-04 10:53:33,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:33,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:33,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:53:33,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 10:53:33,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 10:53:33,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:33,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089700763] [2025-03-04 10:53:33,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:33,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865011343] [2025-03-04 10:53:33,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865011343] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:33,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:33,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:53:33,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753145694] [2025-03-04 10:53:33,881 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:33,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:53:33,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:33,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:53:33,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:53:33,882 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) [2025-03-04 10:53:34,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:34,865 INFO L93 Difference]: Finished difference Result 477 states and 536 transitions. [2025-03-04 10:53:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:53:34,865 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 [2025-03-04 10:53:34,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:34,866 INFO L225 Difference]: With dead ends: 477 [2025-03-04 10:53:34,866 INFO L226 Difference]: Without dead ends: 470 [2025-03-04 10:53:34,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:53:34,867 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 293 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:34,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 316 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:53:34,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-03-04 10:53:34,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 469. [2025-03-04 10:53:34,878 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) [2025-03-04 10:53:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 528 transitions. [2025-03-04 10:53:34,879 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 528 transitions. Word has length 191 [2025-03-04 10:53:34,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:34,879 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 528 transitions. [2025-03-04 10:53:34,879 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) [2025-03-04 10:53:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 528 transitions. [2025-03-04 10:53:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-04 10:53:34,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:34,880 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] [2025-03-04 10:53:34,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:35,085 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 [2025-03-04 10:53:35,085 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)] === [2025-03-04 10:53:35,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:35,085 INFO L85 PathProgramCache]: Analyzing trace with hash 14131833, now seen corresponding path program 1 times [2025-03-04 10:53:35,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:35,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415784040] [2025-03-04 10:53:35,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:35,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:35,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 10:53:35,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 10:53:35,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:35,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:35,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603945526] [2025-03-04 10:53:35,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:35,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:35,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:35,104 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) [2025-03-04 10:53:35,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-04 10:53:35,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 10:53:35,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 10:53:35,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:35,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:35,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:35,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 10:53:35,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:35,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:35,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415784040] [2025-03-04 10:53:35,307 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:35,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603945526] [2025-03-04 10:53:35,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603945526] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:35,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:35,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:53:35,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984687089] [2025-03-04 10:53:35,307 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:35,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:35,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:35,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:35,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:53:35,308 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) [2025-03-04 10:53:35,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:35,416 INFO L93 Difference]: Finished difference Result 589 states and 621 transitions. [2025-03-04 10:53:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:53:35,416 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 [2025-03-04 10:53:35,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:35,417 INFO L225 Difference]: With dead ends: 589 [2025-03-04 10:53:35,417 INFO L226 Difference]: Without dead ends: 588 [2025-03-04 10:53:35,418 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 [2025-03-04 10:53:35,418 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 [2025-03-04 10:53:35,418 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] [2025-03-04 10:53:35,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-04 10:53:35,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 469. [2025-03-04 10:53:35,429 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) [2025-03-04 10:53:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 527 transitions. [2025-03-04 10:53:35,431 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 527 transitions. Word has length 192 [2025-03-04 10:53:35,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:35,431 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 527 transitions. [2025-03-04 10:53:35,431 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) [2025-03-04 10:53:35,431 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 527 transitions. [2025-03-04 10:53:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-04 10:53:35,432 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:35,432 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] [2025-03-04 10:53:35,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:35,633 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 [2025-03-04 10:53:35,633 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)] === [2025-03-04 10:53:35,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1244043865, now seen corresponding path program 2 times [2025-03-04 10:53:35,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:35,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246706438] [2025-03-04 10:53:35,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:35,641 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-04 10:53:35,653 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-04 10:53:35,653 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:35,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:35,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806556637] [2025-03-04 10:53:35,654 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:35,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:35,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:35,656 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) [2025-03-04 10:53:35,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-04 10:53:35,685 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-04 10:53:35,710 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-04 10:53:35,711 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:35,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:35,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:35,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:35,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:36,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:36,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246706438] [2025-03-04 10:53:36,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:36,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806556637] [2025-03-04 10:53:36,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806556637] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:36,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:36,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-04 10:53:36,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314245062] [2025-03-04 10:53:36,198 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:36,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:53:36,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:36,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:53:36,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:36,199 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) [2025-03-04 10:53:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:36,724 INFO L93 Difference]: Finished difference Result 553 states and 624 transitions. [2025-03-04 10:53:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:36,724 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 [2025-03-04 10:53:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:36,726 INFO L225 Difference]: With dead ends: 553 [2025-03-04 10:53:36,726 INFO L226 Difference]: Without dead ends: 539 [2025-03-04 10:53:36,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:36,727 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 175 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:36,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 590 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:53:36,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2025-03-04 10:53:36,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 523. [2025-03-04 10:53:36,745 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) [2025-03-04 10:53:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 595 transitions. [2025-03-04 10:53:36,747 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 595 transitions. Word has length 199 [2025-03-04 10:53:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:36,748 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 595 transitions. [2025-03-04 10:53:36,748 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) [2025-03-04 10:53:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 595 transitions. [2025-03-04 10:53:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-04 10:53:36,748 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:36,748 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] [2025-03-04 10:53:36,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-04 10:53:36,949 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 [2025-03-04 10:53:36,949 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)] === [2025-03-04 10:53:36,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:36,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1525252919, now seen corresponding path program 2 times [2025-03-04 10:53:36,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:36,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264508538] [2025-03-04 10:53:36,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:36,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:36,955 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-03-04 10:53:36,965 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 10:53:36,965 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:36,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:37,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:37,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264508538] [2025-03-04 10:53:37,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264508538] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:37,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465082863] [2025-03-04 10:53:37,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:37,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:37,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:37,074 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) [2025-03-04 10:53:37,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-04 10:53:37,100 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-03-04 10:53:37,127 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 10:53:37,127 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:37,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:37,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:53:37,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:37,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:37,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465082863] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:37,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:37,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 10:53:37,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330586769] [2025-03-04 10:53:37,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:37,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:53:37,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:37,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:53:37,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:53:37,613 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) [2025-03-04 10:53:38,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:38,211 INFO L93 Difference]: Finished difference Result 578 states and 645 transitions. [2025-03-04 10:53:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:53:38,212 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 [2025-03-04 10:53:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:38,213 INFO L225 Difference]: With dead ends: 578 [2025-03-04 10:53:38,213 INFO L226 Difference]: Without dead ends: 577 [2025-03-04 10:53:38,213 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 [2025-03-04 10:53:38,214 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, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:38,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 564 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:53:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-03-04 10:53:38,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 556. [2025-03-04 10:53:38,228 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) [2025-03-04 10:53:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 634 transitions. [2025-03-04 10:53:38,229 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 634 transitions. Word has length 201 [2025-03-04 10:53:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:38,229 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 634 transitions. [2025-03-04 10:53:38,229 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) [2025-03-04 10:53:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 634 transitions. [2025-03-04 10:53:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-04 10:53:38,230 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:38,230 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] [2025-03-04 10:53:38,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-04 10:53:38,430 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 [2025-03-04 10:53:38,430 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)] === [2025-03-04 10:53:38,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:38,431 INFO L85 PathProgramCache]: Analyzing trace with hash 38200446, now seen corresponding path program 2 times [2025-03-04 10:53:38,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:38,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528543734] [2025-03-04 10:53:38,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:38,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:38,437 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-03-04 10:53:38,449 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 10:53:38,449 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:38,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:38,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233249668] [2025-03-04 10:53:38,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:38,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:38,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:38,454 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) [2025-03-04 10:53:38,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-04 10:53:38,480 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-03-04 10:53:38,508 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 10:53:38,508 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:38,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:38,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-04 10:53:38,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:38,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:39,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:39,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528543734] [2025-03-04 10:53:39,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:39,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233249668] [2025-03-04 10:53:39,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233249668] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:39,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:39,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:53:39,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712457607] [2025-03-04 10:53:39,307 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:39,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:53:39,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:39,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:53:39,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:53:39,308 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) [2025-03-04 10:53:41,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:41,753 INFO L93 Difference]: Finished difference Result 599 states and 659 transitions. [2025-03-04 10:53:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:53:41,754 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 [2025-03-04 10:53:41,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:41,755 INFO L225 Difference]: With dead ends: 599 [2025-03-04 10:53:41,755 INFO L226 Difference]: Without dead ends: 465 [2025-03-04 10:53:41,756 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 [2025-03-04 10:53:41,756 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 630 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:41,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 1094 Invalid, 2829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2742 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-04 10:53:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-04 10:53:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 448. [2025-03-04 10:53:41,769 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) [2025-03-04 10:53:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 496 transitions. [2025-03-04 10:53:41,770 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 496 transitions. Word has length 202 [2025-03-04 10:53:41,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:41,770 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 496 transitions. [2025-03-04 10:53:41,770 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) [2025-03-04 10:53:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 496 transitions. [2025-03-04 10:53:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-03-04 10:53:41,771 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:41,771 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] [2025-03-04 10:53:41,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:41,972 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 [2025-03-04 10:53:41,972 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)] === [2025-03-04 10:53:41,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash 138330569, now seen corresponding path program 1 times [2025-03-04 10:53:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:41,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388151069] [2025-03-04 10:53:41,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:41,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-03-04 10:53:41,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-03-04 10:53:41,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:41,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2025-03-04 10:53:42,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:42,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388151069] [2025-03-04 10:53:42,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388151069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:42,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:42,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:42,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205821337] [2025-03-04 10:53:42,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:42,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:42,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:42,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:42,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:42,019 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) [2025-03-04 10:53:42,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:42,169 INFO L93 Difference]: Finished difference Result 448 states and 496 transitions. [2025-03-04 10:53:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:42,170 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 [2025-03-04 10:53:42,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:42,171 INFO L225 Difference]: With dead ends: 448 [2025-03-04 10:53:42,171 INFO L226 Difference]: Without dead ends: 447 [2025-03-04 10:53:42,171 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 [2025-03-04 10:53:42,172 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, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:42,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 144 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:53:42,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2025-03-04 10:53:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2025-03-04 10:53:42,193 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) [2025-03-04 10:53:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 494 transitions. [2025-03-04 10:53:42,194 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 494 transitions. Word has length 244 [2025-03-04 10:53:42,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:42,194 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 494 transitions. [2025-03-04 10:53:42,194 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) [2025-03-04 10:53:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 494 transitions. [2025-03-04 10:53:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-03-04 10:53:42,196 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:42,196 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] [2025-03-04 10:53:42,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-04 10:53:42,197 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)] === [2025-03-04 10:53:42,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:42,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1032234614, now seen corresponding path program 2 times [2025-03-04 10:53:42,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:42,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059666016] [2025-03-04 10:53:42,197 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:42,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:42,203 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-04 10:53:42,225 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-04 10:53:42,225 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:42,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410357372] [2025-03-04 10:53:42,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:42,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:42,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:42,228 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) [2025-03-04 10:53:42,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-04 10:53:42,259 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-04 10:53:42,291 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-04 10:53:42,291 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:42,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:42,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:42,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:42,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:43,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:43,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059666016] [2025-03-04 10:53:43,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:43,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410357372] [2025-03-04 10:53:43,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410357372] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:43,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:43,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-04 10:53:43,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455154280] [2025-03-04 10:53:43,326 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:43,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:43,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:43,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:43,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:53:43,326 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) [2025-03-04 10:53:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:44,116 INFO L93 Difference]: Finished difference Result 447 states and 494 transitions. [2025-03-04 10:53:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:53:44,117 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 [2025-03-04 10:53:44,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:44,118 INFO L225 Difference]: With dead ends: 447 [2025-03-04 10:53:44,118 INFO L226 Difference]: Without dead ends: 444 [2025-03-04 10:53:44,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:53:44,119 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 540 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:44,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 147 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:53:44,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-04 10:53:44,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-04 10:53:44,131 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) [2025-03-04 10:53:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 488 transitions. [2025-03-04 10:53:44,132 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 488 transitions. Word has length 248 [2025-03-04 10:53:44,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:44,132 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 488 transitions. [2025-03-04 10:53:44,132 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) [2025-03-04 10:53:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 488 transitions. [2025-03-04 10:53:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-03-04 10:53:44,133 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:44,133 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] [2025-03-04 10:53:44,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:44,333 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 [2025-03-04 10:53:44,333 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)] === [2025-03-04 10:53:44,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:44,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1934501832, now seen corresponding path program 2 times [2025-03-04 10:53:44,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:44,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941533449] [2025-03-04 10:53:44,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:44,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:44,340 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-03-04 10:53:44,350 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-03-04 10:53:44,350 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:44,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:44,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1943961529] [2025-03-04 10:53:44,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:44,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:44,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:44,353 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) [2025-03-04 10:53:44,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-04 10:53:44,381 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-03-04 10:53:44,412 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-03-04 10:53:44,412 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:44,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:44,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:53:44,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:44,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:44,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:44,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941533449] [2025-03-04 10:53:44,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:44,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943961529] [2025-03-04 10:53:44,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943961529] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:44,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:44,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-04 10:53:44,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507216194] [2025-03-04 10:53:44,961 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:44,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:44,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:44,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:44,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:53:44,961 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) [2025-03-04 10:53:45,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:45,252 INFO L93 Difference]: Finished difference Result 445 states and 488 transitions. [2025-03-04 10:53:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:53:45,252 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 [2025-03-04 10:53:45,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:45,253 INFO L225 Difference]: With dead ends: 445 [2025-03-04 10:53:45,253 INFO L226 Difference]: Without dead ends: 444 [2025-03-04 10:53:45,254 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 [2025-03-04 10:53:45,254 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 [2025-03-04 10:53:45,254 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] [2025-03-04 10:53:45,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-04 10:53:45,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-04 10:53:45,267 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) [2025-03-04 10:53:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 487 transitions. [2025-03-04 10:53:45,267 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 487 transitions. Word has length 249 [2025-03-04 10:53:45,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:45,268 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 487 transitions. [2025-03-04 10:53:45,268 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) [2025-03-04 10:53:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 487 transitions. [2025-03-04 10:53:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-03-04 10:53:45,269 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:45,269 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] [2025-03-04 10:53:45,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-04 10:53:45,473 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 [2025-03-04 10:53:45,473 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)] === [2025-03-04 10:53:45,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:45,473 INFO L85 PathProgramCache]: Analyzing trace with hash -872772346, now seen corresponding path program 2 times [2025-03-04 10:53:45,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:45,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944070599] [2025-03-04 10:53:45,473 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:45,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:45,479 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-03-04 10:53:45,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-03-04 10:53:45,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:45,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:45,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204666342] [2025-03-04 10:53:45,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:45,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:45,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:45,493 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) [2025-03-04 10:53:45,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-04 10:53:45,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-03-04 10:53:45,569 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-03-04 10:53:45,570 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:45,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:45,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-04 10:53:45,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:46,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:46,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:46,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944070599] [2025-03-04 10:53:46,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:46,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204666342] [2025-03-04 10:53:46,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204666342] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:46,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:46,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-04 10:53:46,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234398716] [2025-03-04 10:53:46,524 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:46,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:53:46,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:46,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:53:46,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:53:46,525 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) [2025-03-04 10:53:47,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:47,309 INFO L93 Difference]: Finished difference Result 446 states and 487 transitions. [2025-03-04 10:53:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:53:47,309 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 [2025-03-04 10:53:47,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:47,310 INFO L225 Difference]: With dead ends: 446 [2025-03-04 10:53:47,310 INFO L226 Difference]: Without dead ends: 444 [2025-03-04 10:53:47,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:53:47,311 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 25 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2025-03-04 10:53:47,311 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] [2025-03-04 10:53:47,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-04 10:53:47,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-04 10:53:47,323 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) [2025-03-04 10:53:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 485 transitions. [2025-03-04 10:53:47,324 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 485 transitions. Word has length 252 [2025-03-04 10:53:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:47,324 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 485 transitions. [2025-03-04 10:53:47,324 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) [2025-03-04 10:53:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 485 transitions. [2025-03-04 10:53:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-03-04 10:53:47,325 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:47,325 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] [2025-03-04 10:53:47,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-04 10:53:47,529 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 [2025-03-04 10:53:47,531 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)] === [2025-03-04 10:53:47,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1286138828, now seen corresponding path program 1 times [2025-03-04 10:53:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418046961] [2025-03-04 10:53:47,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:47,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:47,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-03-04 10:53:47,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-03-04 10:53:47,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:47,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:47,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072125604] [2025-03-04 10:53:47,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:47,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:47,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:47,560 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) [2025-03-04 10:53:47,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-04 10:53:47,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-03-04 10:53:47,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-03-04 10:53:47,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:47,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:47,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 10:53:47,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:48,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:48,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:48,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418046961] [2025-03-04 10:53:48,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:48,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072125604] [2025-03-04 10:53:48,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072125604] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:48,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:48,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-04 10:53:48,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898343235] [2025-03-04 10:53:48,352 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:48,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:53:48,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:48,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:53:48,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:53:48,353 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) [2025-03-04 10:53:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:49,111 INFO L93 Difference]: Finished difference Result 448 states and 485 transitions. [2025-03-04 10:53:49,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:53:49,111 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 [2025-03-04 10:53:49,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:49,113 INFO L225 Difference]: With dead ends: 448 [2025-03-04 10:53:49,113 INFO L226 Difference]: Without dead ends: 444 [2025-03-04 10:53:49,113 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 [2025-03-04 10:53:49,113 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, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:49,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 448 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:53:49,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-04 10:53:49,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-04 10:53:49,125 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) [2025-03-04 10:53:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 481 transitions. [2025-03-04 10:53:49,126 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 481 transitions. Word has length 253 [2025-03-04 10:53:49,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:49,126 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 481 transitions. [2025-03-04 10:53:49,126 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) [2025-03-04 10:53:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 481 transitions. [2025-03-04 10:53:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-03-04 10:53:49,127 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:49,127 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] [2025-03-04 10:53:49,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-04 10:53:49,327 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 [2025-03-04 10:53:49,327 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)] === [2025-03-04 10:53:49,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1808710063, now seen corresponding path program 1 times [2025-03-04 10:53:49,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:49,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676673417] [2025-03-04 10:53:49,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:49,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-04 10:53:49,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-04 10:53:49,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:49,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:49,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429775556] [2025-03-04 10:53:49,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:49,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:49,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:49,352 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) [2025-03-04 10:53:49,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-04 10:53:49,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-04 10:53:49,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-04 10:53:49,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:49,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:49,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:53:49,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:49,560 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:49,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:49,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:49,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676673417] [2025-03-04 10:53:49,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:49,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429775556] [2025-03-04 10:53:49,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429775556] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:49,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:49,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-04 10:53:49,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705719086] [2025-03-04 10:53:49,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:49,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:53:49,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:49,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:53:49,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:49,806 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) [2025-03-04 10:53:50,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:50,042 INFO L93 Difference]: Finished difference Result 639 states and 680 transitions. [2025-03-04 10:53:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:53:50,042 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 [2025-03-04 10:53:50,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:50,043 INFO L225 Difference]: With dead ends: 639 [2025-03-04 10:53:50,044 INFO L226 Difference]: Without dead ends: 637 [2025-03-04 10:53:50,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:53:50,044 INFO L435 NwaCegarLoop]: 348 mSDtfsCounter, 902 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2025-03-04 10:53:50,044 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] [2025-03-04 10:53:50,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-03-04 10:53:50,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 443. [2025-03-04 10:53:50,057 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) [2025-03-04 10:53:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 478 transitions. [2025-03-04 10:53:50,058 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 478 transitions. Word has length 261 [2025-03-04 10:53:50,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:50,058 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 478 transitions. [2025-03-04 10:53:50,058 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) [2025-03-04 10:53:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 478 transitions. [2025-03-04 10:53:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2025-03-04 10:53:50,059 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:50,059 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] [2025-03-04 10:53:50,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:50,262 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 [2025-03-04 10:53:50,263 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)] === [2025-03-04 10:53:50,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:50,263 INFO L85 PathProgramCache]: Analyzing trace with hash -467902870, now seen corresponding path program 1 times [2025-03-04 10:53:50,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:50,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105297634] [2025-03-04 10:53:50,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:50,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:50,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-03-04 10:53:50,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-03-04 10:53:50,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:50,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:53:50,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:50,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105297634] [2025-03-04 10:53:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105297634] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:50,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455524074] [2025-03-04 10:53:50,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:50,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:50,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:50,431 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) [2025-03-04 10:53:50,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-04 10:53:50,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-03-04 10:53:50,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-03-04 10:53:50,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:50,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:50,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:50,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:53:50,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:51,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455524074] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:51,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:51,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:53:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587907552] [2025-03-04 10:53:51,039 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:51,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:53:51,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:51,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:53:51,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:53:51,040 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) [2025-03-04 10:53:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:52,421 INFO L93 Difference]: Finished difference Result 443 states and 478 transitions. [2025-03-04 10:53:52,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:53:52,421 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 [2025-03-04 10:53:52,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:52,422 INFO L225 Difference]: With dead ends: 443 [2025-03-04 10:53:52,422 INFO L226 Difference]: Without dead ends: 441 [2025-03-04 10:53:52,423 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 [2025-03-04 10:53:52,423 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 632 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 2209 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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 [2025-03-04 10:53:52,423 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] [2025-03-04 10:53:52,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-04 10:53:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2025-03-04 10:53:52,438 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) [2025-03-04 10:53:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 475 transitions. [2025-03-04 10:53:52,438 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 475 transitions. Word has length 272 [2025-03-04 10:53:52,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:52,439 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 475 transitions. [2025-03-04 10:53:52,439 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) [2025-03-04 10:53:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 475 transitions. [2025-03-04 10:53:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-04 10:53:52,440 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:52,442 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] [2025-03-04 10:53:52,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:52,643 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 [2025-03-04 10:53:52,643 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)] === [2025-03-04 10:53:52,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:52,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2125434353, now seen corresponding path program 1 times [2025-03-04 10:53:52,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:52,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087460099] [2025-03-04 10:53:52,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:52,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:52,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-04 10:53:52,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-04 10:53:52,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:52,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:53:52,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:52,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087460099] [2025-03-04 10:53:52,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087460099] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:52,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:52,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:53:52,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667478936] [2025-03-04 10:53:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:52,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:53:52,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:52,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:53:52,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:53:52,734 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) [2025-03-04 10:53:53,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:53,104 INFO L93 Difference]: Finished difference Result 441 states and 475 transitions. [2025-03-04 10:53:53,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:53,104 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 [2025-03-04 10:53:53,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:53,105 INFO L225 Difference]: With dead ends: 441 [2025-03-04 10:53:53,105 INFO L226 Difference]: Without dead ends: 439 [2025-03-04 10:53:53,105 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 [2025-03-04 10:53:53,106 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, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:53,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 378 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:53:53,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-04 10:53:53,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2025-03-04 10:53:53,120 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) [2025-03-04 10:53:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 471 transitions. [2025-03-04 10:53:53,121 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 471 transitions. Word has length 275 [2025-03-04 10:53:53,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:53,121 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 471 transitions. [2025-03-04 10:53:53,121 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) [2025-03-04 10:53:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 471 transitions. [2025-03-04 10:53:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-03-04 10:53:53,122 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:53,122 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] [2025-03-04 10:53:53,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-04 10:53:53,122 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)] === [2025-03-04 10:53:53,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:53,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1463955418, now seen corresponding path program 1 times [2025-03-04 10:53:53,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:53,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494314573] [2025-03-04 10:53:53,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:53,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:53,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-03-04 10:53:53,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-03-04 10:53:53,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:53,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:53:53,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:53,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494314573] [2025-03-04 10:53:53,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494314573] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:53,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922288206] [2025-03-04 10:53:53,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:53,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:53,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:53,284 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) [2025-03-04 10:53:53,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-04 10:53:53,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-03-04 10:53:53,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-03-04 10:53:53,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:53,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:53,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:53,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:53:53,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:54,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922288206] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:54,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:54,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:53:54,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327083594] [2025-03-04 10:53:54,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:54,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:53:54,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:54,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:53:54,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:53:54,737 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) [2025-03-04 10:53:56,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:56,581 INFO L93 Difference]: Finished difference Result 439 states and 471 transitions. [2025-03-04 10:53:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:53:56,582 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 [2025-03-04 10:53:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:56,583 INFO L225 Difference]: With dead ends: 439 [2025-03-04 10:53:56,583 INFO L226 Difference]: Without dead ends: 403 [2025-03-04 10:53:56,583 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 [2025-03-04 10:53:56,583 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 762 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:56,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 425 Invalid, 2433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 10:53:56,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-04 10:53:56,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-04 10:53:56,598 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) [2025-03-04 10:53:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 431 transitions. [2025-03-04 10:53:56,599 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 431 transitions. Word has length 276 [2025-03-04 10:53:56,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:56,601 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 431 transitions. [2025-03-04 10:53:56,601 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) [2025-03-04 10:53:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 431 transitions. [2025-03-04 10:53:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-03-04 10:53:56,602 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:56,602 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] [2025-03-04 10:53:56,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-04 10:53:56,802 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 [2025-03-04 10:53:56,803 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)] === [2025-03-04 10:53:56,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:56,803 INFO L85 PathProgramCache]: Analyzing trace with hash 623126763, now seen corresponding path program 3 times [2025-03-04 10:53:56,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:56,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836908419] [2025-03-04 10:53:56,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:53:56,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:56,809 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-03-04 10:53:56,829 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 279 of 279 statements. [2025-03-04 10:53:56,830 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-04 10:53:56,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:56,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217712807] [2025-03-04 10:53:56,830 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:53:56,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:56,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:56,832 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) [2025-03-04 10:53:56,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-04 10:53:56,864 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-03-04 10:53:56,888 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 92 of 279 statements. [2025-03-04 10:53:56,888 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 10:53:56,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:56,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-04 10:53:56,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 146 proven. 94 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2025-03-04 10:53:59,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:11,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:11,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836908419] [2025-03-04 10:54:11,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:11,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217712807] [2025-03-04 10:54:11,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217712807] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:54:11,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:54:11,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-04 10:54:11,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812733792] [2025-03-04 10:54:11,529 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:11,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:54:11,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:11,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:54:11,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=444, Unknown=2, NotChecked=0, Total=552 [2025-03-04 10:54:11,530 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) [2025-03-04 10:54:17,398 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 40 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-04 10:54:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:20,135 INFO L93 Difference]: Finished difference Result 405 states and 433 transitions. [2025-03-04 10:54:20,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:54:20,136 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 [2025-03-04 10:54:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:20,137 INFO L225 Difference]: With dead ends: 405 [2025-03-04 10:54:20,137 INFO L226 Difference]: Without dead ends: 388 [2025-03-04 10:54:20,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=197, Invalid=671, Unknown=2, NotChecked=0, Total=870 [2025-03-04 10:54:20,138 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 419 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:20,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 183 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-04 10:54:20,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-03-04 10:54:20,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2025-03-04 10:54:20,154 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) [2025-03-04 10:54:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 413 transitions. [2025-03-04 10:54:20,154 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 413 transitions. Word has length 279 [2025-03-04 10:54:20,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:20,154 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 413 transitions. [2025-03-04 10:54:20,155 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) [2025-03-04 10:54:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 413 transitions. [2025-03-04 10:54:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2025-03-04 10:54:20,155 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:20,155 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] [2025-03-04 10:54:20,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-04 10:54:20,356 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 [2025-03-04 10:54:20,356 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)] === [2025-03-04 10:54:20,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:20,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1731842920, now seen corresponding path program 1 times [2025-03-04 10:54:20,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:20,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296362484] [2025-03-04 10:54:20,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:54:20,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:20,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-03-04 10:54:20,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-03-04 10:54:20,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:54:20,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:20,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453465302] [2025-03-04 10:54:20,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:54:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:20,381 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) [2025-03-04 10:54:20,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-04 10:54:20,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-03-04 10:54:20,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-03-04 10:54:20,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:54:20,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:20,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-04 10:54:20,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-04 10:54:21,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:21,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:21,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296362484] [2025-03-04 10:54:21,548 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:21,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453465302] [2025-03-04 10:54:21,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453465302] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:54:21,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:54:21,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-04 10:54:21,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318887520] [2025-03-04 10:54:21,548 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:21,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:54:21,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:21,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:54:21,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:54:21,549 INFO L87 Difference]: Start difference. First operand 386 states and 413 transitions. Second operand has 13 states, 12 states have (on average 16.583333333333332) internal successors, (199), 13 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) [2025-03-04 10:54:22,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:22,476 INFO L93 Difference]: Finished difference Result 511 states and 563 transitions. [2025-03-04 10:54:22,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:54:22,477 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.583333333333332) internal successors, (199), 13 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 [2025-03-04 10:54:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:22,478 INFO L225 Difference]: With dead ends: 511 [2025-03-04 10:54:22,478 INFO L226 Difference]: Without dead ends: 476 [2025-03-04 10:54:22,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:54:22,479 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 107 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:22,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 975 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:54:22,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-04 10:54:22,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 472. [2025-03-04 10:54:22,502 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) [2025-03-04 10:54:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 522 transitions. [2025-03-04 10:54:22,503 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 522 transitions. Word has length 286 [2025-03-04 10:54:22,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:22,503 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 522 transitions. [2025-03-04 10:54:22,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.583333333333332) internal successors, (199), 13 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) [2025-03-04 10:54:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 522 transitions. [2025-03-04 10:54:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2025-03-04 10:54:22,504 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:22,504 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] [2025-03-04 10:54:22,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-04 10:54:22,707 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 [2025-03-04 10:54:22,708 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)] === [2025-03-04 10:54:22,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:22,708 INFO L85 PathProgramCache]: Analyzing trace with hash -28910006, now seen corresponding path program 3 times [2025-03-04 10:54:22,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:22,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704131502] [2025-03-04 10:54:22,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:22,715 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 329 statements into 8 equivalence classes. [2025-03-04 10:54:22,734 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 329 of 329 statements. [2025-03-04 10:54:22,734 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-04 10:54:22,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:22,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385326661] [2025-03-04 10:54:22,737 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:22,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:22,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:22,738 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) [2025-03-04 10:54:22,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-04 10:54:22,768 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 329 statements into 8 equivalence classes. [2025-03-04 10:54:22,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 174 of 329 statements. [2025-03-04 10:54:22,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-04 10:54:22,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:22,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 10:54:22,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-04 10:54:23,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:23,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:23,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704131502] [2025-03-04 10:54:23,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:23,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385326661] [2025-03-04 10:54:23,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385326661] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:54:23,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:54:23,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:54:23,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998760345] [2025-03-04 10:54:23,407 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:23,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:54:23,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:23,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:54:23,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:54:23,408 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) [2025-03-04 10:54:23,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:23,922 INFO L93 Difference]: Finished difference Result 488 states and 524 transitions. [2025-03-04 10:54:23,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:54:23,922 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 [2025-03-04 10:54:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:23,923 INFO L225 Difference]: With dead ends: 488 [2025-03-04 10:54:23,923 INFO L226 Difference]: Without dead ends: 487 [2025-03-04 10:54:23,923 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 [2025-03-04 10:54:23,924 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 120 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:23,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1249 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:54:23,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-03-04 10:54:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 472. [2025-03-04 10:54:23,943 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) [2025-03-04 10:54:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 521 transitions. [2025-03-04 10:54:23,944 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 521 transitions. Word has length 329 [2025-03-04 10:54:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:23,944 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 521 transitions. [2025-03-04 10:54:23,944 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) [2025-03-04 10:54:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 521 transitions. [2025-03-04 10:54:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2025-03-04 10:54:23,945 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:23,945 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] [2025-03-04 10:54:23,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-04 10:54:24,146 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 [2025-03-04 10:54:24,146 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)] === [2025-03-04 10:54:24,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:24,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2012707896, now seen corresponding path program 1 times [2025-03-04 10:54:24,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:24,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863922438] [2025-03-04 10:54:24,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:54:24,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:24,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-03-04 10:54:24,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-03-04 10:54:24,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:54:24,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:24,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830621262] [2025-03-04 10:54:24,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:54:24,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:24,173 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) [2025-03-04 10:54:24,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-04 10:54:24,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-03-04 10:54:24,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-03-04 10:54:24,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:54:24,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:24,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-04 10:54:24,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-04 10:54:25,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:25,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:25,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863922438] [2025-03-04 10:54:25,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:25,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830621262] [2025-03-04 10:54:25,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830621262] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:54:25,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:54:25,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-04 10:54:25,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584690308] [2025-03-04 10:54:25,482 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:25,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:54:25,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:25,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:54:25,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:54:25,483 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) [2025-03-04 10:54:26,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:26,540 INFO L93 Difference]: Finished difference Result 484 states and 525 transitions. [2025-03-04 10:54:26,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:54:26,541 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 331 [2025-03-04 10:54:26,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:26,542 INFO L225 Difference]: With dead ends: 484 [2025-03-04 10:54:26,542 INFO L226 Difference]: Without dead ends: 477 [2025-03-04 10:54:26,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:54:26,542 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 51 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 3415 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 3421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:26,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 811 Invalid, 3421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3415 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:54:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-03-04 10:54:26,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 472. [2025-03-04 10:54:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 413 states have (on average 1.0847457627118644) internal successors, (448), 437 states have internal predecessors, (448), 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) [2025-03-04 10:54:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 514 transitions. [2025-03-04 10:54:26,567 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 514 transitions. Word has length 331 [2025-03-04 10:54:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:26,567 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 514 transitions. [2025-03-04 10:54:26,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2025-03-04 10:54:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 514 transitions. [2025-03-04 10:54:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2025-03-04 10:54:26,568 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:26,568 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, 1] [2025-03-04 10:54:26,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-03-04 10:54:26,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:26,768 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:54:26,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:26,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2030564788, now seen corresponding path program 3 times [2025-03-04 10:54:26,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:26,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831305700] [2025-03-04 10:54:26,769 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:26,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:26,776 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 332 statements into 8 equivalence classes. [2025-03-04 10:54:26,791 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 332 of 332 statements. [2025-03-04 10:54:26,791 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-04 10:54:26,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:26,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501177935] [2025-03-04 10:54:26,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:26,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:26,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:26,794 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:54:26,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-04 10:54:26,826 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 332 statements into 8 equivalence classes. [2025-03-04 10:54:26,868 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 332 statements. [2025-03-04 10:54:26,868 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 10:54:26,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:26,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:54:26,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2025-03-04 10:54:27,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:54:27,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:27,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831305700] [2025-03-04 10:54:27,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:27,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501177935] [2025-03-04 10:54:27,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501177935] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:54:27,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:54:27,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 10:54:27,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580902268] [2025-03-04 10:54:27,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:54:27,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:54:27,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:27,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:54:27,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:54:27,348 INFO L87 Difference]: Start difference. First operand 472 states and 514 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 10:54:28,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:28,169 INFO L93 Difference]: Finished difference Result 472 states and 514 transitions. [2025-03-04 10:54:28,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:54:28,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 332 [2025-03-04 10:54:28,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:28,171 INFO L225 Difference]: With dead ends: 472 [2025-03-04 10:54:28,171 INFO L226 Difference]: Without dead ends: 470 [2025-03-04 10:54:28,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:54:28,172 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 244 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:28,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 462 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:54:28,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-03-04 10:54:28,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2025-03-04 10:54:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 413 states have (on average 1.0750605326876512) internal successors, (444), 435 states have internal predecessors, (444), 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) [2025-03-04 10:54:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 510 transitions. [2025-03-04 10:54:28,193 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 510 transitions. Word has length 332 [2025-03-04 10:54:28,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:28,194 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 510 transitions. [2025-03-04 10:54:28,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 10:54:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 510 transitions. [2025-03-04 10:54:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2025-03-04 10:54:28,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:28,195 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, 1, 1] [2025-03-04 10:54:28,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-03-04 10:54:28,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-04 10:54:28,395 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:54:28,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1477000890, now seen corresponding path program 2 times [2025-03-04 10:54:28,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:28,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880614506] [2025-03-04 10:54:28,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:54:28,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:28,402 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 333 statements into 2 equivalence classes. [2025-03-04 10:54:28,413 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 333 of 333 statements. [2025-03-04 10:54:28,413 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:54:28,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:28,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1892494182] [2025-03-04 10:54:28,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:54:28,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:28,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:28,416 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:54:28,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-04 10:54:28,453 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 333 statements into 2 equivalence classes. [2025-03-04 10:54:29,566 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 333 of 333 statements. [2025-03-04 10:54:29,566 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:54:29,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:29,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:54:29,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 172 proven. 164 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-03-04 10:54:30,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:30,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:30,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880614506] [2025-03-04 10:54:30,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:30,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892494182] [2025-03-04 10:54:30,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892494182] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:54:30,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:54:30,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-04 10:54:30,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710838196] [2025-03-04 10:54:30,341 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:30,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:54:30,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:30,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:54:30,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:54:30,342 INFO L87 Difference]: Start difference. First operand 470 states and 510 transitions. Second operand has 12 states, 11 states have (on average 21.0) internal successors, (231), 12 states have internal predecessors, (231), 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) [2025-03-04 10:54:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:31,069 INFO L93 Difference]: Finished difference Result 470 states and 510 transitions. [2025-03-04 10:54:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 10:54:31,070 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 21.0) internal successors, (231), 12 states have internal predecessors, (231), 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) Word has length 333 [2025-03-04 10:54:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:31,071 INFO L225 Difference]: With dead ends: 470 [2025-03-04 10:54:31,071 INFO L226 Difference]: Without dead ends: 468 [2025-03-04 10:54:31,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:54:31,072 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 612 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:31,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 682 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:54:31,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2025-03-04 10:54:31,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2025-03-04 10:54:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 413 states have (on average 1.0653753026634383) internal successors, (440), 433 states have internal predecessors, (440), 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) [2025-03-04 10:54:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 506 transitions. [2025-03-04 10:54:31,093 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 506 transitions. Word has length 333 [2025-03-04 10:54:31,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:31,093 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 506 transitions. [2025-03-04 10:54:31,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 21.0) internal successors, (231), 12 states have internal predecessors, (231), 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) [2025-03-04 10:54:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 506 transitions. [2025-03-04 10:54:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2025-03-04 10:54:31,094 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:31,094 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-03-04 10:54:31,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-04 10:54:31,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-04 10:54:31,295 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:54:31,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:31,295 INFO L85 PathProgramCache]: Analyzing trace with hash 837153627, now seen corresponding path program 3 times [2025-03-04 10:54:31,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:31,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955729594] [2025-03-04 10:54:31,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:31,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:31,302 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 361 statements into 9 equivalence classes. [2025-03-04 10:54:31,312 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 215 of 361 statements. [2025-03-04 10:54:31,312 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-04 10:54:31,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 60 proven. 466 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-04 10:54:31,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:31,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955729594] [2025-03-04 10:54:31,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955729594] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:54:31,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474293586] [2025-03-04 10:54:31,611 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:31,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:31,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:31,613 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:54:31,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-04 10:54:31,642 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 361 statements into 9 equivalence classes. [2025-03-04 10:54:31,650 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 44 of 361 statements. [2025-03-04 10:54:31,650 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 10:54:31,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:31,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:54:31,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 66 proven. 124 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2025-03-04 10:54:32,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:32,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474293586] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:54:32,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:54:32,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 23 [2025-03-04 10:54:32,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036611685] [2025-03-04 10:54:32,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:32,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-04 10:54:32,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:32,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-04 10:54:32,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2025-03-04 10:54:32,304 INFO L87 Difference]: Start difference. First operand 468 states and 506 transitions. Second operand has 24 states, 23 states have (on average 14.826086956521738) internal successors, (341), 24 states have internal predecessors, (341), 8 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 8 states have call predecessors, (31), 8 states have call successors, (31) [2025-03-04 10:54:35,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:35,637 INFO L93 Difference]: Finished difference Result 641 states and 691 transitions. [2025-03-04 10:54:35,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:54:35,638 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.826086956521738) internal successors, (341), 24 states have internal predecessors, (341), 8 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 8 states have call predecessors, (31), 8 states have call successors, (31) Word has length 361 [2025-03-04 10:54:35,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:35,639 INFO L225 Difference]: With dead ends: 641 [2025-03-04 10:54:35,639 INFO L226 Difference]: Without dead ends: 639 [2025-03-04 10:54:35,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=676, Invalid=2630, Unknown=0, NotChecked=0, Total=3306 [2025-03-04 10:54:35,640 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 2382 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2382 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 3078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:35,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2382 Valid, 374 Invalid, 3078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-04 10:54:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2025-03-04 10:54:35,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 466. [2025-03-04 10:54:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 413 states have (on average 1.0605326876513317) internal successors, (438), 431 states have internal predecessors, (438), 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) [2025-03-04 10:54:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 504 transitions. [2025-03-04 10:54:35,667 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 504 transitions. Word has length 361 [2025-03-04 10:54:35,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:35,667 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 504 transitions. [2025-03-04 10:54:35,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.826086956521738) internal successors, (341), 24 states have internal predecessors, (341), 8 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 8 states have call predecessors, (31), 8 states have call successors, (31) [2025-03-04 10:54:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 504 transitions. [2025-03-04 10:54:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2025-03-04 10:54:35,668 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:35,668 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-03-04 10:54:35,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-04 10:54:35,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-04 10:54:35,869 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:54:35,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:35,869 INFO L85 PathProgramCache]: Analyzing trace with hash -2042654570, now seen corresponding path program 2 times [2025-03-04 10:54:35,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:35,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198584725] [2025-03-04 10:54:35,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:54:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:35,877 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 366 statements into 2 equivalence classes. [2025-03-04 10:54:35,893 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 366 of 366 statements. [2025-03-04 10:54:35,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:54:35,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:35,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2142829002] [2025-03-04 10:54:35,894 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:54:35,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:35,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:35,897 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:54:35,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-04 10:54:35,929 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 366 statements into 2 equivalence classes. [2025-03-04 10:54:35,978 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 366 of 366 statements. [2025-03-04 10:54:35,978 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:54:35,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:35,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-04 10:54:35,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1492 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-03-04 10:54:37,103 INFO L312 TraceCheckSpWp]: Computing backward predicates...