./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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/ps6-ll_unwindbound10.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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:40:06,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:40:06,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:40:06,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:40:06,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:40:06,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:40:06,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:40:06,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:40:06,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:40:06,792 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:40:06,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:40:06,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:40:06,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:40:06,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:40:06,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:40:06,794 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:40:06,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:40:06,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:40:06,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:40:06,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:40:06,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:40:06,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:40:06,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:40:06,795 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 -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2025-03-17 15:40:06,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:40:07,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:40:07,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:40:07,008 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:40:07,008 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:40:07,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2025-03-17 15:40:08,068 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c04bf589/fdd1278d9f4040349131ebffce2f74fb/FLAGdfecfb1de [2025-03-17 15:40:08,282 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:40:08,283 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2025-03-17 15:40:08,293 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c04bf589/fdd1278d9f4040349131ebffce2f74fb/FLAGdfecfb1de [2025-03-17 15:40:08,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c04bf589/fdd1278d9f4040349131ebffce2f74fb [2025-03-17 15:40:08,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:40:08,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:40:08,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:40:08,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:40:08,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:40:08,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c90bcc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08, skipping insertion in model container [2025-03-17 15:40:08,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:40:08,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:40:08,773 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:40:08,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:40:08,806 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:40:08,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08 WrapperNode [2025-03-17 15:40:08,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:40:08,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:40:08,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:40:08,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:40:08,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,846 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2025-03-17 15:40:08,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:40:08,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:40:08,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:40:08,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:40:08,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,871 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]. [2025-03-17 15:40:08,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:40:08,884 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:40:08,885 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:40:08,886 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:40:08,887 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (1/1) ... [2025-03-17 15:40:08,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:40:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:08,912 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) [2025-03-17 15:40:08,916 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 [2025-03-17 15:40:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:40:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:40:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:40:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:40:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:40:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:40:08,971 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:40:08,973 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:40:09,413 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2025-03-17 15:40:09,413 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:40:09,425 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:40:09,425 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:40:09,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:40:09 BoogieIcfgContainer [2025-03-17 15:40:09,426 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:40:09,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:40:09,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:40:09,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:40:09,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:40:08" (1/3) ... [2025-03-17 15:40:09,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6668bf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:40:09, skipping insertion in model container [2025-03-17 15:40:09,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:40:08" (2/3) ... [2025-03-17 15:40:09,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6668bf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:40:09, skipping insertion in model container [2025-03-17 15:40:09,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:40:09" (3/3) ... [2025-03-17 15:40:09,433 INFO L128 eAbstractionObserver]: Analyzing ICFG ps6-ll_unwindbound10.c [2025-03-17 15:40:09,442 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:40:09,443 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps6-ll_unwindbound10.c that has 2 procedures, 224 locations, 1 initial locations, 1 loop locations, and 104 error locations. [2025-03-17 15:40:09,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:40:09,486 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;@9abbbb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:40:09,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2025-03-17 15:40:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 224 states, 115 states have (on average 1.9478260869565218) internal successors, (224), 219 states have internal predecessors, (224), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 15:40:09,493 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:09,493 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 15:40:09,494 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:09,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash 239467930, now seen corresponding path program 1 times [2025-03-17 15:40:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:09,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763761710] [2025-03-17 15:40:09,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:09,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 15:40:09,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 15:40:09,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:09,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:09,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:09,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763761710] [2025-03-17 15:40:09,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763761710] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:09,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:09,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:40:09,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666093045] [2025-03-17 15:40:09,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:09,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:40:09,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:09,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:40:09,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:40:09,601 INFO L87 Difference]: Start difference. First operand has 224 states, 115 states have (on average 1.9478260869565218) internal successors, (224), 219 states have internal predecessors, (224), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2025-03-17 15:40:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:09,623 INFO L93 Difference]: Finished difference Result 421 states and 460 transitions. [2025-03-17 15:40:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:40:09,624 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 [2025-03-17 15:40:09,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:09,630 INFO L225 Difference]: With dead ends: 421 [2025-03-17 15:40:09,630 INFO L226 Difference]: Without dead ends: 195 [2025-03-17 15:40:09,633 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 [2025-03-17 15:40:09,636 INFO L435 NwaCegarLoop]: 202 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, 202 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 [2025-03-17 15:40:09,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-03-17 15:40:09,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2025-03-17 15:40:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 191 states have internal predecessors, (193), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 197 transitions. [2025-03-17 15:40:09,667 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 197 transitions. Word has length 5 [2025-03-17 15:40:09,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:09,667 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 197 transitions. [2025-03-17 15:40:09,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:40:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 197 transitions. [2025-03-17 15:40:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 15:40:09,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:09,668 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 15:40:09,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:40:09,668 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:09,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:09,668 INFO L85 PathProgramCache]: Analyzing trace with hash 239497721, now seen corresponding path program 1 times [2025-03-17 15:40:09,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:09,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698356354] [2025-03-17 15:40:09,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:09,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:09,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 15:40:09,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 15:40:09,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:09,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:09,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:09,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698356354] [2025-03-17 15:40:09,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698356354] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:09,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:09,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:40:09,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210176686] [2025-03-17 15:40:09,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:09,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:40:09,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:09,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:40:09,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:40:09,738 INFO L87 Difference]: Start difference. First operand 195 states and 197 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) 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) [2025-03-17 15:40:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:09,784 INFO L93 Difference]: Finished difference Result 286 states and 288 transitions. [2025-03-17 15:40:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:40:09,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) 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 [2025-03-17 15:40:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:09,786 INFO L225 Difference]: With dead ends: 286 [2025-03-17 15:40:09,786 INFO L226 Difference]: Without dead ends: 199 [2025-03-17 15:40:09,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:40:09,787 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 4 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:09,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 573 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2025-03-17 15:40:09,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2025-03-17 15:40:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 117 states have (on average 1.6837606837606838) internal successors, (197), 195 states have internal predecessors, (197), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 201 transitions. [2025-03-17 15:40:09,796 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 201 transitions. Word has length 5 [2025-03-17 15:40:09,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:09,796 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 201 transitions. [2025-03-17 15:40:09,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) 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) [2025-03-17 15:40:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 201 transitions. [2025-03-17 15:40:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 15:40:09,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:09,797 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:09,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:40:09,797 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:09,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:09,797 INFO L85 PathProgramCache]: Analyzing trace with hash 936108315, now seen corresponding path program 1 times [2025-03-17 15:40:09,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:09,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858750859] [2025-03-17 15:40:09,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:09,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 15:40:09,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 15:40:09,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:09,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:09,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:09,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858750859] [2025-03-17 15:40:09,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858750859] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:09,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:09,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:40:09,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858614766] [2025-03-17 15:40:09,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:09,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:40:09,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:09,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:40:09,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:40:09,841 INFO L87 Difference]: Start difference. First operand 199 states and 201 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-17 15:40:10,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:10,151 INFO L93 Difference]: Finished difference Result 359 states and 367 transitions. [2025-03-17 15:40:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:40:10,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2025-03-17 15:40:10,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:10,153 INFO L225 Difference]: With dead ends: 359 [2025-03-17 15:40:10,153 INFO L226 Difference]: Without dead ends: 295 [2025-03-17 15:40:10,153 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 [2025-03-17 15:40:10,154 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 98 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:10,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 137 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:40:10,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-03-17 15:40:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 289. [2025-03-17 15:40:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 206 states have (on average 1.4368932038834952) internal successors, (296), 284 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 302 transitions. [2025-03-17 15:40:10,162 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 302 transitions. Word has length 8 [2025-03-17 15:40:10,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:10,163 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 302 transitions. [2025-03-17 15:40:10,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-17 15:40:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 302 transitions. [2025-03-17 15:40:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:40:10,163 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:10,163 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:10,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:40:10,164 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:10,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:10,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1344340299, now seen corresponding path program 1 times [2025-03-17 15:40:10,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:10,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899182965] [2025-03-17 15:40:10,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:10,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:10,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:40:10,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:40:10,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:10,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:10,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:10,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899182965] [2025-03-17 15:40:10,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899182965] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:10,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:10,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:40:10,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089430635] [2025-03-17 15:40:10,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:10,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:40:10,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:10,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:40:10,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:40:10,270 INFO L87 Difference]: Start difference. First operand 289 states and 302 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2025-03-17 15:40:10,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:10,331 INFO L93 Difference]: Finished difference Result 313 states and 320 transitions. [2025-03-17 15:40:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:40:10,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2025-03-17 15:40:10,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:10,332 INFO L225 Difference]: With dead ends: 313 [2025-03-17 15:40:10,333 INFO L226 Difference]: Without dead ends: 306 [2025-03-17 15:40:10,333 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 [2025-03-17 15:40:10,333 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 68 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:10,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 359 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:40:10,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-03-17 15:40:10,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2025-03-17 15:40:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 205 states have (on average 1.4097560975609755) internal successors, (289), 283 states have internal predecessors, (289), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 295 transitions. [2025-03-17 15:40:10,347 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 295 transitions. Word has length 46 [2025-03-17 15:40:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:10,347 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 295 transitions. [2025-03-17 15:40:10,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2025-03-17 15:40:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 295 transitions. [2025-03-17 15:40:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 15:40:10,348 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:10,348 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:10,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:40:10,348 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:10,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 874131955, now seen corresponding path program 1 times [2025-03-17 15:40:10,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:10,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959120678] [2025-03-17 15:40:10,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:10,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:10,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:40:10,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:40:10,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:10,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:10,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:10,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959120678] [2025-03-17 15:40:10,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959120678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:10,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:10,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:40:10,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492768095] [2025-03-17 15:40:10,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:10,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:40:10,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:10,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:40:10,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:40:10,448 INFO L87 Difference]: Start difference. First operand 288 states and 295 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2025-03-17 15:40:10,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:10,783 INFO L93 Difference]: Finished difference Result 308 states and 313 transitions. [2025-03-17 15:40:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:40:10,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 48 [2025-03-17 15:40:10,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:10,785 INFO L225 Difference]: With dead ends: 308 [2025-03-17 15:40:10,785 INFO L226 Difference]: Without dead ends: 265 [2025-03-17 15:40:10,785 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 [2025-03-17 15:40:10,785 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 105 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:10,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 305 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:40:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-03-17 15:40:10,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 247. [2025-03-17 15:40:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 164 states have (on average 1.5) internal successors, (246), 242 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 252 transitions. [2025-03-17 15:40:10,791 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 252 transitions. Word has length 48 [2025-03-17 15:40:10,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:10,792 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 252 transitions. [2025-03-17 15:40:10,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2025-03-17 15:40:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 252 transitions. [2025-03-17 15:40:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-17 15:40:10,793 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:10,793 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:10,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:40:10,793 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:10,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:10,793 INFO L85 PathProgramCache]: Analyzing trace with hash 625923134, now seen corresponding path program 1 times [2025-03-17 15:40:10,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:10,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653091722] [2025-03-17 15:40:10,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:10,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:10,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 15:40:10,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 15:40:10,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:10,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:10,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:10,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653091722] [2025-03-17 15:40:10,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653091722] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:10,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:10,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:40:10,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679511295] [2025-03-17 15:40:10,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:10,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:40:10,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:10,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:40:10,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:40:10,878 INFO L87 Difference]: Start difference. First operand 247 states and 252 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:10,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:10,893 INFO L93 Difference]: Finished difference Result 249 states and 252 transitions. [2025-03-17 15:40:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:40:10,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-03-17 15:40:10,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:10,895 INFO L225 Difference]: With dead ends: 249 [2025-03-17 15:40:10,896 INFO L226 Difference]: Without dead ends: 247 [2025-03-17 15:40:10,896 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 [2025-03-17 15:40:10,896 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 1 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:10,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 383 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:10,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2025-03-17 15:40:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2025-03-17 15:40:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 164 states have (on average 1.4878048780487805) internal successors, (244), 242 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 250 transitions. [2025-03-17 15:40:10,903 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 250 transitions. Word has length 56 [2025-03-17 15:40:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:10,904 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 250 transitions. [2025-03-17 15:40:10,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 250 transitions. [2025-03-17 15:40:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:40:10,905 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:10,905 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:10,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:40:10,905 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:10,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:10,905 INFO L85 PathProgramCache]: Analyzing trace with hash 766583831, now seen corresponding path program 1 times [2025-03-17 15:40:10,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:10,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758381131] [2025-03-17 15:40:10,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:10,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:10,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:40:10,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:40:10,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:10,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:10,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073162554] [2025-03-17 15:40:10,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:10,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:10,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:10,933 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) [2025-03-17 15:40:10,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:40:10,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:40:10,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:40:10,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:10,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:10,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:40:10,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:11,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:40:11,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:11,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758381131] [2025-03-17 15:40:11,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:11,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073162554] [2025-03-17 15:40:11,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073162554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:11,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:11,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:40:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205641708] [2025-03-17 15:40:11,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:11,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:40:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:11,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:40:11,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:40:11,086 INFO L87 Difference]: Start difference. First operand 247 states and 250 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:11,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:11,417 INFO L93 Difference]: Finished difference Result 427 states and 441 transitions. [2025-03-17 15:40:11,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:40:11,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2025-03-17 15:40:11,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:11,418 INFO L225 Difference]: With dead ends: 427 [2025-03-17 15:40:11,418 INFO L226 Difference]: Without dead ends: 362 [2025-03-17 15:40:11,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:40:11,419 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 114 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:11,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 162 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:40:11,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-03-17 15:40:11,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 354. [2025-03-17 15:40:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 269 states have (on average 1.3605947955390334) internal successors, (366), 347 states have internal predecessors, (366), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:40:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 376 transitions. [2025-03-17 15:40:11,426 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 376 transitions. Word has length 61 [2025-03-17 15:40:11,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:11,426 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 376 transitions. [2025-03-17 15:40:11,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 376 transitions. [2025-03-17 15:40:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:40:11,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:11,427 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:11,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:40:11,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:11,631 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:11,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:11,631 INFO L85 PathProgramCache]: Analyzing trace with hash 325974514, now seen corresponding path program 1 times [2025-03-17 15:40:11,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:11,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621831483] [2025-03-17 15:40:11,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:11,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:11,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:40:11,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:40:11,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:11,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:11,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:11,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:11,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621831483] [2025-03-17 15:40:11,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621831483] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:11,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:11,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:40:11,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97015123] [2025-03-17 15:40:11,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:11,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:40:11,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:11,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:40:11,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:40:11,698 INFO L87 Difference]: Start difference. First operand 354 states and 376 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:11,769 INFO L93 Difference]: Finished difference Result 355 states and 376 transitions. [2025-03-17 15:40:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:40:11,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2025-03-17 15:40:11,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:11,772 INFO L225 Difference]: With dead ends: 355 [2025-03-17 15:40:11,773 INFO L226 Difference]: Without dead ends: 354 [2025-03-17 15:40:11,773 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 [2025-03-17 15:40:11,773 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 58 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:11,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 317 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:40:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-03-17 15:40:11,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2025-03-17 15:40:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 269 states have (on average 1.3568773234200744) internal successors, (365), 347 states have internal predecessors, (365), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:40:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 375 transitions. [2025-03-17 15:40:11,780 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 375 transitions. Word has length 68 [2025-03-17 15:40:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:11,780 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 375 transitions. [2025-03-17 15:40:11,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 375 transitions. [2025-03-17 15:40:11,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:40:11,781 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:11,781 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:11,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 15:40:11,781 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:11,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1515275407, now seen corresponding path program 1 times [2025-03-17 15:40:11,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:11,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232047696] [2025-03-17 15:40:11,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:11,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:40:11,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:40:11,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:11,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:11,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:11,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232047696] [2025-03-17 15:40:11,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232047696] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:11,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:40:11,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:40:11,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719047232] [2025-03-17 15:40:11,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:11,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:40:11,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:11,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:40:11,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:40:11,862 INFO L87 Difference]: Start difference. First operand 354 states and 375 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:11,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:11,932 INFO L93 Difference]: Finished difference Result 355 states and 375 transitions. [2025-03-17 15:40:11,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:40:11,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2025-03-17 15:40:11,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:11,933 INFO L225 Difference]: With dead ends: 355 [2025-03-17 15:40:11,933 INFO L226 Difference]: Without dead ends: 354 [2025-03-17 15:40:11,933 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 [2025-03-17 15:40:11,934 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 50 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:11,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 326 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:40:11,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-03-17 15:40:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2025-03-17 15:40:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 269 states have (on average 1.3531598513011152) internal successors, (364), 347 states have internal predecessors, (364), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:40:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 374 transitions. [2025-03-17 15:40:11,941 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 374 transitions. Word has length 69 [2025-03-17 15:40:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:11,942 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 374 transitions. [2025-03-17 15:40:11,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 374 transitions. [2025-03-17 15:40:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:40:11,943 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:11,943 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 15:40:11,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 15:40:11,944 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:11,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash 185758733, now seen corresponding path program 1 times [2025-03-17 15:40:11,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:11,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325378244] [2025-03-17 15:40:11,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:11,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:11,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:40:11,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:40:11,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:11,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:12,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:12,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325378244] [2025-03-17 15:40:12,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325378244] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:12,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138506587] [2025-03-17 15:40:12,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:12,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:12,034 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) [2025-03-17 15:40:12,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:40:12,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:40:12,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:40:12,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:12,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:12,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:40:12,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:12,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:40:12,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138506587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:12,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:12,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-17 15:40:12,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504566455] [2025-03-17 15:40:12,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:12,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:40:12,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:12,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:40:12,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:40:12,173 INFO L87 Difference]: Start difference. First operand 354 states and 374 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:12,191 INFO L93 Difference]: Finished difference Result 354 states and 374 transitions. [2025-03-17 15:40:12,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:40:12,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2025-03-17 15:40:12,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:12,194 INFO L225 Difference]: With dead ends: 354 [2025-03-17 15:40:12,194 INFO L226 Difference]: Without dead ends: 353 [2025-03-17 15:40:12,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:40:12,195 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 134 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:12,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 379 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:12,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-03-17 15:40:12,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2025-03-17 15:40:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 269 states have (on average 1.345724907063197) internal successors, (362), 346 states have internal predecessors, (362), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:40:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 372 transitions. [2025-03-17 15:40:12,202 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 372 transitions. Word has length 71 [2025-03-17 15:40:12,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:12,202 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 372 transitions. [2025-03-17 15:40:12,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 372 transitions. [2025-03-17 15:40:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-17 15:40:12,204 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:12,205 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:12,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:12,409 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,SelfDestructingSolverStorable9 [2025-03-17 15:40:12,409 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:12,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:12,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1463553609, now seen corresponding path program 1 times [2025-03-17 15:40:12,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:12,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922118308] [2025-03-17 15:40:12,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:12,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:12,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 15:40:12,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 15:40:12,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:12,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:12,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:12,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922118308] [2025-03-17 15:40:12,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922118308] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:12,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429373186] [2025-03-17 15:40:12,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:12,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:12,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:12,512 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) [2025-03-17 15:40:12,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:40:12,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 15:40:12,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 15:40:12,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:12,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:12,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:40:12,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:12,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:40:12,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429373186] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:12,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:12,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-17 15:40:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046104996] [2025-03-17 15:40:12,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:12,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:40:12,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:12,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:40:12,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:40:12,631 INFO L87 Difference]: Start difference. First operand 353 states and 372 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:12,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:12,667 INFO L93 Difference]: Finished difference Result 483 states and 507 transitions. [2025-03-17 15:40:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:40:12,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2025-03-17 15:40:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:12,668 INFO L225 Difference]: With dead ends: 483 [2025-03-17 15:40:12,668 INFO L226 Difference]: Without dead ends: 482 [2025-03-17 15:40:12,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:40:12,669 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 131 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:12,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 891 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:12,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-03-17 15:40:12,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 442. [2025-03-17 15:40:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 356 states have (on average 1.353932584269663) internal successors, (482), 434 states have internal predecessors, (482), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 15:40:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 496 transitions. [2025-03-17 15:40:12,679 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 496 transitions. Word has length 72 [2025-03-17 15:40:12,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:12,679 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 496 transitions. [2025-03-17 15:40:12,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:12,680 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 496 transitions. [2025-03-17 15:40:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 15:40:12,680 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:12,680 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:40:12,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 15:40:12,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:12,881 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:12,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:12,882 INFO L85 PathProgramCache]: Analyzing trace with hash -421174495, now seen corresponding path program 1 times [2025-03-17 15:40:12,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:12,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123925960] [2025-03-17 15:40:12,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:12,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:12,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 15:40:12,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 15:40:12,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:12,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:12,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953081418] [2025-03-17 15:40:12,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:12,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:12,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:12,908 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) [2025-03-17 15:40:12,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:40:12,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 15:40:12,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 15:40:12,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:12,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:12,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:40:12,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:13,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:13,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:13,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123925960] [2025-03-17 15:40:13,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:13,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953081418] [2025-03-17 15:40:13,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953081418] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:40:13,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:40:13,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-03-17 15:40:13,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618744597] [2025-03-17 15:40:13,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:13,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:40:13,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:13,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:40:13,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:13,415 INFO L87 Difference]: Start difference. First operand 442 states and 496 transitions. Second operand has 8 states, 7 states have (on average 30.714285714285715) internal successors, (215), 8 states have internal predecessors, (215), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:14,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:14,572 INFO L93 Difference]: Finished difference Result 466 states and 514 transitions. [2025-03-17 15:40:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:40:14,573 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.714285714285715) internal successors, (215), 8 states have internal predecessors, (215), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 112 [2025-03-17 15:40:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:14,575 INFO L225 Difference]: With dead ends: 466 [2025-03-17 15:40:14,575 INFO L226 Difference]: Without dead ends: 457 [2025-03-17 15:40:14,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:40:14,576 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 394 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:14,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 248 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:40:14,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-03-17 15:40:14,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 446. [2025-03-17 15:40:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 363 states have (on average 1.3195592286501376) internal successors, (479), 438 states have internal predecessors, (479), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 15:40:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 493 transitions. [2025-03-17 15:40:14,586 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 493 transitions. Word has length 112 [2025-03-17 15:40:14,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:14,587 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 493 transitions. [2025-03-17 15:40:14,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.714285714285715) internal successors, (215), 8 states have internal predecessors, (215), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 493 transitions. [2025-03-17 15:40:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-17 15:40:14,588 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:14,588 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:40:14,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 15:40:14,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:14,789 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:14,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:14,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1021760673, now seen corresponding path program 1 times [2025-03-17 15:40:14,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:14,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074456177] [2025-03-17 15:40:14,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:14,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:14,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:40:14,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:40:14,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:14,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:14,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [866116186] [2025-03-17 15:40:14,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:14,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:14,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:14,814 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) [2025-03-17 15:40:14,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:40:14,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:40:14,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:40:14,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:14,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:14,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:40:14,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:15,115 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-17 15:40:15,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:15,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074456177] [2025-03-17 15:40:15,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:15,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866116186] [2025-03-17 15:40:15,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866116186] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:15,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:15,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-03-17 15:40:15,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426775414] [2025-03-17 15:40:15,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:15,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:40:15,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:15,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:40:15,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:40:15,363 INFO L87 Difference]: Start difference. First operand 446 states and 493 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:18,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:40:21,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:40:31,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:40:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:31,718 INFO L93 Difference]: Finished difference Result 446 states and 493 transitions. [2025-03-17 15:40:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:40:31,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 114 [2025-03-17 15:40:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:31,720 INFO L225 Difference]: With dead ends: 446 [2025-03-17 15:40:31,720 INFO L226 Difference]: Without dead ends: 444 [2025-03-17 15:40:31,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:31,721 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 99 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:31,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 44 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 411 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2025-03-17 15:40:31,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-17 15:40:31,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-17 15:40:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 363 states have (on average 1.303030303030303) internal successors, (473), 436 states have internal predecessors, (473), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 15:40:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 487 transitions. [2025-03-17 15:40:31,733 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 487 transitions. Word has length 114 [2025-03-17 15:40:31,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:31,733 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 487 transitions. [2025-03-17 15:40:31,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:40:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 487 transitions. [2025-03-17 15:40:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 15:40:31,734 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:31,735 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:40:31,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 15:40:31,935 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,SelfDestructingSolverStorable12 [2025-03-17 15:40:31,935 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:31,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:31,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1235471106, now seen corresponding path program 1 times [2025-03-17 15:40:31,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:31,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192827654] [2025-03-17 15:40:31,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:31,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:31,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:40:31,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:40:31,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:31,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:32,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:32,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192827654] [2025-03-17 15:40:32,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192827654] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:32,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050731471] [2025-03-17 15:40:32,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:32,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:32,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:32,042 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) [2025-03-17 15:40:32,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:40:32,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:40:32,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:40:32,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:32,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:32,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:40:32,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:40:32,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:32,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050731471] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:40:32,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:40:32,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-03-17 15:40:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059037369] [2025-03-17 15:40:32,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:32,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:40:32,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:32,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:40:32,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:40:32,255 INFO L87 Difference]: Start difference. First operand 444 states and 487 transitions. Second operand has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-17 15:40:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:32,343 INFO L93 Difference]: Finished difference Result 738 states and 775 transitions. [2025-03-17 15:40:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:40:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 121 [2025-03-17 15:40:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:32,345 INFO L225 Difference]: With dead ends: 738 [2025-03-17 15:40:32,345 INFO L226 Difference]: Without dead ends: 610 [2025-03-17 15:40:32,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:40:32,346 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 314 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:32,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1487 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:32,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2025-03-17 15:40:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 525. [2025-03-17 15:40:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 440 states have (on average 1.4113636363636364) internal successors, (621), 513 states have internal predecessors, (621), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:40:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 637 transitions. [2025-03-17 15:40:32,358 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 637 transitions. Word has length 121 [2025-03-17 15:40:32,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:32,359 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 637 transitions. [2025-03-17 15:40:32,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-17 15:40:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 637 transitions. [2025-03-17 15:40:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-17 15:40:32,359 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:32,359 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:40:32,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 15:40:32,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:32,560 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:32,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:32,561 INFO L85 PathProgramCache]: Analyzing trace with hash -215768662, now seen corresponding path program 1 times [2025-03-17 15:40:32,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:32,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72346395] [2025-03-17 15:40:32,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:32,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:32,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 15:40:32,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 15:40:32,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:32,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:32,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:32,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72346395] [2025-03-17 15:40:32,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72346395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:32,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548683220] [2025-03-17 15:40:32,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:32,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:32,629 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) [2025-03-17 15:40:32,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:40:32,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 15:40:32,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 15:40:32,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:32,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:32,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:40:32,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:32,762 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:40:32,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548683220] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:40:32,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:32,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 15:40:32,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872148367] [2025-03-17 15:40:32,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:40:32,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:40:32,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:32,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:40:32,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:40:32,763 INFO L87 Difference]: Start difference. First operand 525 states and 637 transitions. Second operand has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:32,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:32,782 INFO L93 Difference]: Finished difference Result 561 states and 643 transitions. [2025-03-17 15:40:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:40:32,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 122 [2025-03-17 15:40:32,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:32,785 INFO L225 Difference]: With dead ends: 561 [2025-03-17 15:40:32,785 INFO L226 Difference]: Without dead ends: 560 [2025-03-17 15:40:32,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:40:32,787 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 117 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:32,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 522 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2025-03-17 15:40:32,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 524. [2025-03-17 15:40:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 440 states have (on average 1.4045454545454545) internal successors, (618), 512 states have internal predecessors, (618), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:40:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 634 transitions. [2025-03-17 15:40:32,827 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 634 transitions. Word has length 122 [2025-03-17 15:40:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:32,827 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 634 transitions. [2025-03-17 15:40:32,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 634 transitions. [2025-03-17 15:40:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-17 15:40:32,828 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:32,828 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:40:32,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:33,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:33,032 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:33,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:33,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1901106159, now seen corresponding path program 1 times [2025-03-17 15:40:33,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:33,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579421432] [2025-03-17 15:40:33,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:33,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:33,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-17 15:40:33,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-17 15:40:33,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:33,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:33,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579421432] [2025-03-17 15:40:33,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579421432] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590408314] [2025-03-17 15:40:33,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:33,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:33,089 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) [2025-03-17 15:40:33,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:40:33,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-17 15:40:33,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-17 15:40:33,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:33,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:33,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:40:33,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:33,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:33,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590408314] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:40:33,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:40:33,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 15:40:33,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200244171] [2025-03-17 15:40:33,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:33,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:40:33,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:33,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:40:33,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:40:33,351 INFO L87 Difference]: Start difference. First operand 524 states and 634 transitions. Second operand has 7 states, 6 states have (on average 46.166666666666664) internal successors, (277), 7 states have internal predecessors, (277), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:40:33,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:33,382 INFO L93 Difference]: Finished difference Result 643 states and 712 transitions. [2025-03-17 15:40:33,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:40:33,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 46.166666666666664) internal successors, (277), 7 states have internal predecessors, (277), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 123 [2025-03-17 15:40:33,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:33,384 INFO L225 Difference]: With dead ends: 643 [2025-03-17 15:40:33,384 INFO L226 Difference]: Without dead ends: 642 [2025-03-17 15:40:33,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:40:33,385 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 118 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:33,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 736 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:40:33,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2025-03-17 15:40:33,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 570. [2025-03-17 15:40:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 485 states have (on average 1.4247422680412372) internal successors, (691), 557 states have internal predecessors, (691), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:40:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 709 transitions. [2025-03-17 15:40:33,410 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 709 transitions. Word has length 123 [2025-03-17 15:40:33,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:33,410 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 709 transitions. [2025-03-17 15:40:33,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 46.166666666666664) internal successors, (277), 7 states have internal predecessors, (277), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:40:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 709 transitions. [2025-03-17 15:40:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-17 15:40:33,411 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:33,411 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:40:33,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:33,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-17 15:40:33,616 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:33,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:33,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1847581227, now seen corresponding path program 1 times [2025-03-17 15:40:33,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:33,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705040749] [2025-03-17 15:40:33,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:33,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:33,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-17 15:40:33,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-17 15:40:33,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:33,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:33,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958930662] [2025-03-17 15:40:33,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:33,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:33,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:33,635 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) [2025-03-17 15:40:33,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:40:33,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-17 15:40:33,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-17 15:40:33,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:33,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:33,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:40:33,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:33,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:33,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705040749] [2025-03-17 15:40:33,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958930662] [2025-03-17 15:40:33,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958930662] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:40:33,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:40:33,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-03-17 15:40:33,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785028443] [2025-03-17 15:40:33,948 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:33,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:40:33,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:33,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:40:33,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:33,949 INFO L87 Difference]: Start difference. First operand 570 states and 709 transitions. Second operand has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:40:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:34,549 INFO L93 Difference]: Finished difference Result 619 states and 715 transitions. [2025-03-17 15:40:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:40:34,550 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 127 [2025-03-17 15:40:34,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:34,551 INFO L225 Difference]: With dead ends: 619 [2025-03-17 15:40:34,552 INFO L226 Difference]: Without dead ends: 554 [2025-03-17 15:40:34,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:40:34,552 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 531 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:34,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 168 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:40:34,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2025-03-17 15:40:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 548. [2025-03-17 15:40:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 481 states have (on average 1.2328482328482329) internal successors, (593), 536 states have internal predecessors, (593), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:40:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 611 transitions. [2025-03-17 15:40:34,564 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 611 transitions. Word has length 127 [2025-03-17 15:40:34,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:34,564 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 611 transitions. [2025-03-17 15:40:34,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:40:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 611 transitions. [2025-03-17 15:40:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-17 15:40:34,565 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:34,565 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:40:34,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:34,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-17 15:40:34,765 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:34,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:34,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1996314973, now seen corresponding path program 1 times [2025-03-17 15:40:34,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:34,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938901779] [2025-03-17 15:40:34,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:34,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:34,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-17 15:40:34,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-17 15:40:34,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:34,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:34,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878732747] [2025-03-17 15:40:34,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:34,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:34,787 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) [2025-03-17 15:40:34,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:40:34,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-17 15:40:34,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-17 15:40:34,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:34,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:34,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 15:40:34,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:35,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:40:35,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:35,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938901779] [2025-03-17 15:40:35,761 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:35,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878732747] [2025-03-17 15:40:35,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878732747] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:40:35,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:40:35,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2025-03-17 15:40:35,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461433399] [2025-03-17 15:40:35,762 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:35,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:40:35,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:35,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:40:35,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:40:35,763 INFO L87 Difference]: Start difference. First operand 548 states and 611 transitions. Second operand has 11 states, 10 states have (on average 25.1) internal successors, (251), 11 states have internal predecessors, (251), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:40:40,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:40:44,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:40:45,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:45,962 INFO L93 Difference]: Finished difference Result 554 states and 614 transitions. [2025-03-17 15:40:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:40:45,962 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.1) internal successors, (251), 11 states have internal predecessors, (251), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 135 [2025-03-17 15:40:45,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:45,964 INFO L225 Difference]: With dead ends: 554 [2025-03-17 15:40:45,964 INFO L226 Difference]: Without dead ends: 553 [2025-03-17 15:40:45,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:40:45,965 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 465 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 53 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:45,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 120 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1096 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2025-03-17 15:40:45,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2025-03-17 15:40:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2025-03-17 15:40:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 481 states have (on average 1.2266112266112266) internal successors, (590), 535 states have internal predecessors, (590), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:40:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 608 transitions. [2025-03-17 15:40:45,979 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 608 transitions. Word has length 135 [2025-03-17 15:40:45,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:45,980 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 608 transitions. [2025-03-17 15:40:45,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.1) internal successors, (251), 11 states have internal predecessors, (251), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:40:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 608 transitions. [2025-03-17 15:40:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-17 15:40:45,981 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:45,981 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1] [2025-03-17 15:40:45,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:46,185 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,SelfDestructingSolverStorable17 [2025-03-17 15:40:46,185 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:46,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:46,185 INFO L85 PathProgramCache]: Analyzing trace with hash 149450822, now seen corresponding path program 1 times [2025-03-17 15:40:46,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:46,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215718709] [2025-03-17 15:40:46,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:46,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:46,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-17 15:40:46,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-17 15:40:46,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:46,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:46,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743282664] [2025-03-17 15:40:46,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:46,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:46,202 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) [2025-03-17 15:40:46,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:40:46,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-17 15:40:46,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-17 15:40:46,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:46,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:46,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:40:46,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:40:46,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:46,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:46,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215718709] [2025-03-17 15:40:46,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:46,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743282664] [2025-03-17 15:40:46,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743282664] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:46,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:46,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:40:46,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449877029] [2025-03-17 15:40:46,752 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:46,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:40:46,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:46,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:40:46,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:46,755 INFO L87 Difference]: Start difference. First operand 547 states and 608 transitions. Second operand has 5 states, 4 states have (on average 39.25) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:40:47,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:47,081 INFO L93 Difference]: Finished difference Result 550 states and 611 transitions. [2025-03-17 15:40:47,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:40:47,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 39.25) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 169 [2025-03-17 15:40:47,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:47,083 INFO L225 Difference]: With dead ends: 550 [2025-03-17 15:40:47,083 INFO L226 Difference]: Without dead ends: 537 [2025-03-17 15:40:47,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:40:47,084 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 69 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:47,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 72 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:40:47,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-03-17 15:40:47,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 534. [2025-03-17 15:40:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 481 states have (on average 1.1746361746361746) internal successors, (565), 522 states have internal predecessors, (565), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:40:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 583 transitions. [2025-03-17 15:40:47,098 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 583 transitions. Word has length 169 [2025-03-17 15:40:47,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:47,098 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 583 transitions. [2025-03-17 15:40:47,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 39.25) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:40:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 583 transitions. [2025-03-17 15:40:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-17 15:40:47,099 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:47,099 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1] [2025-03-17 15:40:47,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 15:40:47,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:47,300 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:47,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:47,300 INFO L85 PathProgramCache]: Analyzing trace with hash 338008162, now seen corresponding path program 1 times [2025-03-17 15:40:47,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:47,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367640668] [2025-03-17 15:40:47,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:47,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-17 15:40:47,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-17 15:40:47,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:47,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:47,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [710104280] [2025-03-17 15:40:47,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:47,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:47,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:47,316 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) [2025-03-17 15:40:47,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:40:47,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-17 15:40:47,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-17 15:40:47,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:47,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:47,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:40:47,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:40:47,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:47,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:47,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367640668] [2025-03-17 15:40:47,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:47,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710104280] [2025-03-17 15:40:47,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710104280] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:47,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:47,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:40:47,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465255794] [2025-03-17 15:40:47,980 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:47,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:40:47,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:47,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:40:47,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:47,981 INFO L87 Difference]: Start difference. First operand 534 states and 583 transitions. Second operand has 6 states, 5 states have (on average 31.6) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:48,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:48,270 INFO L93 Difference]: Finished difference Result 537 states and 585 transitions. [2025-03-17 15:40:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:40:48,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 170 [2025-03-17 15:40:48,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:48,272 INFO L225 Difference]: With dead ends: 537 [2025-03-17 15:40:48,272 INFO L226 Difference]: Without dead ends: 491 [2025-03-17 15:40:48,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:48,273 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:48,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 151 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:40:48,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-03-17 15:40:48,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2025-03-17 15:40:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 439 states have (on average 1.1890660592255125) internal successors, (522), 479 states have internal predecessors, (522), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:40:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 538 transitions. [2025-03-17 15:40:48,292 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 538 transitions. Word has length 170 [2025-03-17 15:40:48,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:48,292 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 538 transitions. [2025-03-17 15:40:48,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 538 transitions. [2025-03-17 15:40:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-03-17 15:40:48,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:48,295 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2025-03-17 15:40:48,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:48,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:48,495 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:48,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1039963511, now seen corresponding path program 1 times [2025-03-17 15:40:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:48,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920022068] [2025-03-17 15:40:48,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:48,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:48,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 15:40:48,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 15:40:48,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:48,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:48,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787024628] [2025-03-17 15:40:48,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:48,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:48,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:48,524 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) [2025-03-17 15:40:48,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:40:48,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 15:40:48,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 15:40:48,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:48,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:48,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:40:48,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 3 proven. 150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:40:48,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:57,074 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (or (forall ((|v_ULTIMATE.start_main_~y~0#1_230| Int)) (or (< (+ |c_ULTIMATE.start_main_~y~0#1| 1) |v_ULTIMATE.start_main_~y~0#1_230|) (< (* |v_ULTIMATE.start_main_~y~0#1_230| |v_ULTIMATE.start_main_~y~0#1_230| |v_ULTIMATE.start_main_~y~0#1_230| |v_ULTIMATE.start_main_~y~0#1_230| |v_ULTIMATE.start_main_~y~0#1_230|) (+ 768614336404564651 (div (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 5)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 12))))) (not (= 0 (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 7) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6)) 12))))) is different from false [2025-03-17 15:40:57,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:57,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920022068] [2025-03-17 15:40:57,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:57,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787024628] [2025-03-17 15:40:57,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787024628] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:57,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:57,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:40:57,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944403378] [2025-03-17 15:40:57,077 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:57,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:40:57,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:57,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:40:57,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2025-03-17 15:40:57,078 INFO L87 Difference]: Start difference. First operand 491 states and 538 transitions. Second operand has 9 states, 8 states have (on average 21.875) internal successors, (175), 9 states have internal predecessors, (175), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:57,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:57,591 INFO L93 Difference]: Finished difference Result 501 states and 540 transitions. [2025-03-17 15:40:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:40:57,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.875) internal successors, (175), 9 states have internal predecessors, (175), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 179 [2025-03-17 15:40:57,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:57,593 INFO L225 Difference]: With dead ends: 501 [2025-03-17 15:40:57,593 INFO L226 Difference]: Without dead ends: 497 [2025-03-17 15:40:57,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=50, Invalid=135, Unknown=1, NotChecked=24, Total=210 [2025-03-17 15:40:57,593 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 82 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:57,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 466 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:40:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-03-17 15:40:57,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 491. [2025-03-17 15:40:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 439 states have (on average 1.1799544419134396) internal successors, (518), 479 states have internal predecessors, (518), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:40:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 534 transitions. [2025-03-17 15:40:57,607 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 534 transitions. Word has length 179 [2025-03-17 15:40:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:57,607 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 534 transitions. [2025-03-17 15:40:57,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.875) internal successors, (175), 9 states have internal predecessors, (175), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:40:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 534 transitions. [2025-03-17 15:40:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-17 15:40:57,608 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:57,608 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2025-03-17 15:40:57,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:57,808 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,SelfDestructingSolverStorable20 [2025-03-17 15:40:57,809 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:57,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:57,809 INFO L85 PathProgramCache]: Analyzing trace with hash 627372381, now seen corresponding path program 1 times [2025-03-17 15:40:57,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:57,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499268663] [2025-03-17 15:40:57,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:57,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:57,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-17 15:40:57,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-17 15:40:57,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:57,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:57,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708092504] [2025-03-17 15:40:57,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:57,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:57,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:57,831 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) [2025-03-17 15:40:57,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:40:57,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-17 15:40:57,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-17 15:40:57,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:57,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:57,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:40:57,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:40:58,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:58,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499268663] [2025-03-17 15:40:58,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:58,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708092504] [2025-03-17 15:40:58,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708092504] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:40:58,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:40:58,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:40:58,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238521082] [2025-03-17 15:40:58,080 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:58,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:40:58,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:58,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:40:58,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:58,081 INFO L87 Difference]: Start difference. First operand 491 states and 534 transitions. Second operand has 6 states, 5 states have (on average 36.6) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:58,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:58,434 INFO L93 Difference]: Finished difference Result 554 states and 601 transitions. [2025-03-17 15:40:58,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:40:58,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.6) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 195 [2025-03-17 15:40:58,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:58,437 INFO L225 Difference]: With dead ends: 554 [2025-03-17 15:40:58,439 INFO L226 Difference]: Without dead ends: 542 [2025-03-17 15:40:58,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:40:58,440 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 147 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:58,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 112 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:40:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-03-17 15:40:58,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 521. [2025-03-17 15:40:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 469 states have (on average 1.1684434968017057) internal successors, (548), 509 states have internal predecessors, (548), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:40:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 564 transitions. [2025-03-17 15:40:58,455 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 564 transitions. Word has length 195 [2025-03-17 15:40:58,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:58,455 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 564 transitions. [2025-03-17 15:40:58,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.6) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:40:58,455 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 564 transitions. [2025-03-17 15:40:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-17 15:40:58,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:58,456 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2025-03-17 15:40:58,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-17 15:40:58,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:58,660 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:58,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:58,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1609439099, now seen corresponding path program 1 times [2025-03-17 15:40:58,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:58,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15181] [2025-03-17 15:40:58,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:58,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-17 15:40:58,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-17 15:40:58,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:58,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:58,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1756120756] [2025-03-17 15:40:58,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:40:58,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:58,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:58,678 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) [2025-03-17 15:40:58,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:40:58,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-17 15:40:58,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-17 15:40:58,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:40:58,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:40:58,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:40:58,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:40:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:40:58,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:40:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:40:59,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:40:59,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15181] [2025-03-17 15:40:59,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:40:59,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756120756] [2025-03-17 15:40:59,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756120756] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:40:59,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:40:59,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:40:59,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266226768] [2025-03-17 15:40:59,176 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:40:59,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:40:59,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:40:59,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:40:59,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:40:59,177 INFO L87 Difference]: Start difference. First operand 521 states and 564 transitions. Second operand has 10 states, 9 states have (on average 40.55555555555556) internal successors, (365), 10 states have internal predecessors, (365), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:40:59,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:40:59,737 INFO L93 Difference]: Finished difference Result 564 states and 600 transitions. [2025-03-17 15:40:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:40:59,737 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.55555555555556) internal successors, (365), 10 states have internal predecessors, (365), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 197 [2025-03-17 15:40:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:40:59,739 INFO L225 Difference]: With dead ends: 564 [2025-03-17 15:40:59,739 INFO L226 Difference]: Without dead ends: 536 [2025-03-17 15:40:59,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:40:59,739 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 593 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:40:59,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 247 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:40:59,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-03-17 15:40:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 514. [2025-03-17 15:40:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 476 states have (on average 1.0861344537815125) internal successors, (517), 502 states have internal predecessors, (517), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:40:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 533 transitions. [2025-03-17 15:40:59,752 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 533 transitions. Word has length 197 [2025-03-17 15:40:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:40:59,753 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 533 transitions. [2025-03-17 15:40:59,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.55555555555556) internal successors, (365), 10 states have internal predecessors, (365), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:40:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 533 transitions. [2025-03-17 15:40:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-03-17 15:40:59,754 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:40:59,754 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1] [2025-03-17 15:40:59,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:40:59,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:59,958 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:40:59,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:40:59,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1451994418, now seen corresponding path program 2 times [2025-03-17 15:40:59,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:40:59,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241744388] [2025-03-17 15:40:59,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:40:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:40:59,967 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 236 statements into 2 equivalence classes. [2025-03-17 15:40:59,979 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 236 of 236 statements. [2025-03-17 15:40:59,979 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:40:59,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:40:59,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730951480] [2025-03-17 15:40:59,980 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:40:59,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:40:59,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:40:59,982 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) [2025-03-17 15:40:59,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:41:00,009 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 236 statements into 2 equivalence classes. [2025-03-17 15:41:00,020 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 56 of 236 statements. [2025-03-17 15:41:00,020 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:41:00,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:00,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:41:00,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2025-03-17 15:41:00,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:41:00,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:00,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241744388] [2025-03-17 15:41:00,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:00,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730951480] [2025-03-17 15:41:00,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730951480] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:00,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:00,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:41:00,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799065636] [2025-03-17 15:41:00,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:00,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:41:00,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:00,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:41:00,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:41:00,607 INFO L87 Difference]: Start difference. First operand 514 states and 533 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:41:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:00,766 INFO L93 Difference]: Finished difference Result 517 states and 533 transitions. [2025-03-17 15:41:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:41:00,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 236 [2025-03-17 15:41:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:00,767 INFO L225 Difference]: With dead ends: 517 [2025-03-17 15:41:00,767 INFO L226 Difference]: Without dead ends: 456 [2025-03-17 15:41:00,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:41:00,768 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 51 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:00,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 86 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:00,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2025-03-17 15:41:00,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 425. [2025-03-17 15:41:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 398 states have (on average 1.0552763819095476) internal successors, (420), 415 states have internal predecessors, (420), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:41:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 430 transitions. [2025-03-17 15:41:00,778 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 430 transitions. Word has length 236 [2025-03-17 15:41:00,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:00,778 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 430 transitions. [2025-03-17 15:41:00,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:41:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 430 transitions. [2025-03-17 15:41:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2025-03-17 15:41:00,779 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:00,779 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:41:00,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:41:00,979 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,SelfDestructingSolverStorable23 [2025-03-17 15:41:00,979 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2025-03-17 15:41:00,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:00,980 INFO L85 PathProgramCache]: Analyzing trace with hash 731567243, now seen corresponding path program 2 times [2025-03-17 15:41:00,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:00,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801790563] [2025-03-17 15:41:00,980 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:00,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:00,987 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 245 statements into 2 equivalence classes. [2025-03-17 15:41:00,996 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 245 of 245 statements. [2025-03-17 15:41:00,996 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:00,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:41:00,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321605556] [2025-03-17 15:41:00,997 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:00,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:00,999 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) [2025-03-17 15:41:01,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:41:01,024 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 245 statements into 2 equivalence classes. [2025-03-17 15:41:01,058 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 245 of 245 statements. [2025-03-17 15:41:01,058 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:01,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:01,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-17 15:41:01,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:01,428 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 6 proven. 318 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:41:01,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 6 proven. 318 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:41:04,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:04,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801790563] [2025-03-17 15:41:04,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:04,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321605556] [2025-03-17 15:41:04,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321605556] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:04,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:41:04,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2025-03-17 15:41:04,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77620450] [2025-03-17 15:41:04,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:04,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:41:04,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:04,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:41:04,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:41:04,419 INFO L87 Difference]: Start difference. First operand 425 states and 430 transitions. Second operand has 20 states, 19 states have (on average 24.526315789473685) internal successors, (466), 20 states have internal predecessors, (466), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:41:09,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:13,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:18,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:20,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:25,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:29,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:35,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:39,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:41,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:42,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:46,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []