./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.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 ca2134f8a32f49a0943527ee47fd89b4eb01286294fd09a8197c7c707de74c1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:14:01,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:14:01,645 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:14:01,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:14:01,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:14:01,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:14:01,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:14:01,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:14:01,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:14:01,668 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:14:01,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:14:01,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:14:01,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:14:01,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:14:01,669 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:14:01,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:14:01,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:14:01,669 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:14:01,670 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:14:01,671 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:14:01,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:14:01,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:14:01,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:14:01,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:14:01,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:14:01,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:14:01,672 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 -> ca2134f8a32f49a0943527ee47fd89b4eb01286294fd09a8197c7c707de74c1d [2025-03-09 02:14:01,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:14:01,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:14:01,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:14:01,889 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:14:01,889 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:14:01,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c [2025-03-09 02:14:03,034 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d5754d/a40f95090f0745dda34bcd8abaab502a/FLAGfa7484abd [2025-03-09 02:14:03,326 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:14:03,327 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c [2025-03-09 02:14:03,334 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d5754d/a40f95090f0745dda34bcd8abaab502a/FLAGfa7484abd [2025-03-09 02:14:03,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d5754d/a40f95090f0745dda34bcd8abaab502a [2025-03-09 02:14:03,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:14:03,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:14:03,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:14:03,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:14:03,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:14:03,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60592373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03, skipping insertion in model container [2025-03-09 02:14:03,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:14:03,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:14:03,731 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:14:03,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:14:03,767 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:14:03,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03 WrapperNode [2025-03-09 02:14:03,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:14:03,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:14:03,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:14:03,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:14:03,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,796 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 169 [2025-03-09 02:14:03,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:14:03,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:14:03,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:14:03,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:14:03,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,824 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 02:14:03,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,829 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:14:03,840 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:14:03,841 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:14:03,841 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:14:03,841 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (1/1) ... [2025-03-09 02:14:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:14:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:03,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 02:14:03,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 02:14:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:14:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:14:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:14:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:14:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:14:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:14:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:14:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:14:03,928 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:14:03,929 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:14:04,334 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2025-03-09 02:14:04,334 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:14:04,344 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:14:04,344 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:14:04,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:14:04 BoogieIcfgContainer [2025-03-09 02:14:04,345 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:14:04,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:14:04,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:14:04,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:14:04,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:14:03" (1/3) ... [2025-03-09 02:14:04,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d072cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:14:04, skipping insertion in model container [2025-03-09 02:14:04,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:14:03" (2/3) ... [2025-03-09 02:14:04,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d072cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:14:04, skipping insertion in model container [2025-03-09 02:14:04,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:14:04" (3/3) ... [2025-03-09 02:14:04,352 INFO L128 eAbstractionObserver]: Analyzing ICFG fermat1-ll_unwindbound50.c [2025-03-09 02:14:04,361 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:14:04,363 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fermat1-ll_unwindbound50.c that has 3 procedures, 227 locations, 1 initial locations, 3 loop locations, and 98 error locations. [2025-03-09 02:14:04,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:14:04,420 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;@5d151316, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:14:04,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2025-03-09 02:14:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:14:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-09 02:14:04,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:04,426 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-09 02:14:04,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:04,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:04,434 INFO L85 PathProgramCache]: Analyzing trace with hash 252190, now seen corresponding path program 1 times [2025-03-09 02:14:04,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:04,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178145014] [2025-03-09 02:14:04,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:04,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:04,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 02:14:04,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 02:14:04,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:04,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:14:04,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:04,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178145014] [2025-03-09 02:14:04,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178145014] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:04,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:04,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:14:04,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584425143] [2025-03-09 02:14:04,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:04,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:14:04,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:04,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:14:04,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:04,568 INFO L87 Difference]: Start difference. First operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:14:04,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:04,644 INFO L93 Difference]: Finished difference Result 427 states and 471 transitions. [2025-03-09 02:14:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:14:04,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-03-09 02:14:04,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:04,652 INFO L225 Difference]: With dead ends: 427 [2025-03-09 02:14:04,652 INFO L226 Difference]: Without dead ends: 206 [2025-03-09 02:14:04,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:04,658 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 13 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:04,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 394 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-03-09 02:14:04,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2025-03-09 02:14:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 115 states have (on average 1.7739130434782608) internal successors, (204), 198 states have internal predecessors, (204), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:14:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 214 transitions. [2025-03-09 02:14:04,700 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 214 transitions. Word has length 3 [2025-03-09 02:14:04,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:04,700 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 214 transitions. [2025-03-09 02:14:04,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:14:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 214 transitions. [2025-03-09 02:14:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 02:14:04,700 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:04,701 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 02:14:04,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 02:14:04,701 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:04,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:04,702 INFO L85 PathProgramCache]: Analyzing trace with hash 7818079, now seen corresponding path program 1 times [2025-03-09 02:14:04,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:04,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634096323] [2025-03-09 02:14:04,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:04,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 02:14:04,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 02:14:04,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:04,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:14:04,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:04,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634096323] [2025-03-09 02:14:04,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634096323] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:04,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:04,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:14:04,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852058292] [2025-03-09 02:14:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:04,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:14:04,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:04,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:14:04,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:04,745 INFO L87 Difference]: Start difference. First operand 206 states and 214 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:14:04,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:04,797 INFO L93 Difference]: Finished difference Result 206 states and 214 transitions. [2025-03-09 02:14:04,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:14:04,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-03-09 02:14:04,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:04,800 INFO L225 Difference]: With dead ends: 206 [2025-03-09 02:14:04,800 INFO L226 Difference]: Without dead ends: 202 [2025-03-09 02:14:04,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:04,801 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 12 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:04,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 381 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2025-03-09 02:14:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2025-03-09 02:14:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 115 states have (on average 1.7391304347826086) internal successors, (200), 194 states have internal predecessors, (200), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:14:04,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 210 transitions. [2025-03-09 02:14:04,818 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 210 transitions. Word has length 4 [2025-03-09 02:14:04,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:04,818 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 210 transitions. [2025-03-09 02:14:04,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:14:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 210 transitions. [2025-03-09 02:14:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 02:14:04,820 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:04,820 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:04,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:14:04,821 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:04,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash 325866139, now seen corresponding path program 1 times [2025-03-09 02:14:04,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:04,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534254562] [2025-03-09 02:14:04,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:04,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:04,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 02:14:04,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 02:14:04,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:04,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:14:04,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136370829] [2025-03-09 02:14:04,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:04,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:04,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:04,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:14:04,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 02:14:04,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 02:14:04,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:04,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:04,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:14:04,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:14:04,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:14:04,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:04,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534254562] [2025-03-09 02:14:04,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:14:04,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136370829] [2025-03-09 02:14:04,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136370829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:04,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:04,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:14:04,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501049075] [2025-03-09 02:14:04,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:04,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:14:04,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:04,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:14:04,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:04,927 INFO L87 Difference]: Start difference. First operand 202 states and 210 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) [2025-03-09 02:14:04,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:04,957 INFO L93 Difference]: Finished difference Result 202 states and 210 transitions. [2025-03-09 02:14:04,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:14:04,960 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 [2025-03-09 02:14:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:04,961 INFO L225 Difference]: With dead ends: 202 [2025-03-09 02:14:04,963 INFO L226 Difference]: Without dead ends: 200 [2025-03-09 02:14:04,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:04,964 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 8 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:04,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 381 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:04,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2025-03-09 02:14:04,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2025-03-09 02:14:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 115 states have (on average 1.7217391304347827) internal successors, (198), 192 states have internal predecessors, (198), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:14:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 208 transitions. [2025-03-09 02:14:04,976 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 208 transitions. Word has length 8 [2025-03-09 02:14:04,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:04,976 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 208 transitions. [2025-03-09 02:14:04,976 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) [2025-03-09 02:14:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 208 transitions. [2025-03-09 02:14:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 02:14:04,977 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:04,977 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:04,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:14:05,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:05,181 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:05,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:05,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1205435852, now seen corresponding path program 1 times [2025-03-09 02:14:05,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:05,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569761416] [2025-03-09 02:14:05,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:05,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:05,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 02:14:05,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 02:14:05,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:05,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:14:05,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116822423] [2025-03-09 02:14:05,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:05,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:05,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:05,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:05,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:14:05,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 02:14:05,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 02:14:05,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:05,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:05,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 02:14:05,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:05,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:14:05,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:05,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569761416] [2025-03-09 02:14:05,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:14:05,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116822423] [2025-03-09 02:14:05,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116822423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:05,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:05,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:14:05,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571360977] [2025-03-09 02:14:05,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:05,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:14:05,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:05,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:14:05,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:05,293 INFO L87 Difference]: Start difference. First operand 200 states and 208 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:05,331 INFO L93 Difference]: Finished difference Result 200 states and 208 transitions. [2025-03-09 02:14:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:14:05,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-03-09 02:14:05,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:05,333 INFO L225 Difference]: With dead ends: 200 [2025-03-09 02:14:05,333 INFO L226 Difference]: Without dead ends: 198 [2025-03-09 02:14:05,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:05,334 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 162 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:05,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 188 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:05,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2025-03-09 02:14:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2025-03-09 02:14:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 115 states have (on average 1.7043478260869565) internal successors, (196), 190 states have internal predecessors, (196), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:14:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 206 transitions. [2025-03-09 02:14:05,348 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 206 transitions. Word has length 25 [2025-03-09 02:14:05,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:05,349 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 206 transitions. [2025-03-09 02:14:05,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 206 transitions. [2025-03-09 02:14:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-09 02:14:05,349 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:05,350 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:05,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 02:14:05,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-09 02:14:05,550 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:05,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:05,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1286194415, now seen corresponding path program 1 times [2025-03-09 02:14:05,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:05,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578157190] [2025-03-09 02:14:05,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:05,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:14:05,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:14:05,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:05,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:14:05,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:05,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578157190] [2025-03-09 02:14:05,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578157190] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:14:05,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519255470] [2025-03-09 02:14:05,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:05,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:05,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:05,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:05,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:14:05,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:14:05,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:14:05,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:05,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:05,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:14:05,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:14:05,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:14:05,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519255470] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:05,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:14:05,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-09 02:14:05,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900945742] [2025-03-09 02:14:05,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:05,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:14:05,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:05,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:14:05,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:14:05,870 INFO L87 Difference]: Start difference. First operand 198 states and 206 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:05,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:05,974 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2025-03-09 02:14:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:14:05,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-03-09 02:14:05,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:05,975 INFO L225 Difference]: With dead ends: 198 [2025-03-09 02:14:05,975 INFO L226 Difference]: Without dead ends: 196 [2025-03-09 02:14:05,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:14:05,976 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 161 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:05,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 675 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:14:05,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2025-03-09 02:14:05,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2025-03-09 02:14:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 115 states have (on average 1.6869565217391305) internal successors, (194), 188 states have internal predecessors, (194), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:14:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2025-03-09 02:14:05,985 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 26 [2025-03-09 02:14:05,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:05,985 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 204 transitions. [2025-03-09 02:14:05,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2025-03-09 02:14:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-09 02:14:05,986 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:05,986 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:05,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 02:14:06,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:06,186 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:06,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:06,187 INFO L85 PathProgramCache]: Analyzing trace with hash -917743283, now seen corresponding path program 1 times [2025-03-09 02:14:06,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:06,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218914416] [2025-03-09 02:14:06,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:06,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:06,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 02:14:06,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 02:14:06,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:06,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:06,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:06,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218914416] [2025-03-09 02:14:06,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218914416] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:06,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:06,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:14:06,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274935796] [2025-03-09 02:14:06,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:06,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:14:06,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:06,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:14:06,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:14:06,256 INFO L87 Difference]: Start difference. First operand 196 states and 204 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:06,288 INFO L93 Difference]: Finished difference Result 275 states and 284 transitions. [2025-03-09 02:14:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:14:06,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-03-09 02:14:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:06,290 INFO L225 Difference]: With dead ends: 275 [2025-03-09 02:14:06,290 INFO L226 Difference]: Without dead ends: 274 [2025-03-09 02:14:06,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:14:06,291 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 84 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:06,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 567 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:06,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-03-09 02:14:06,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2025-03-09 02:14:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6928571428571428) internal successors, (237), 214 states have internal predecessors, (237), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:14:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 249 transitions. [2025-03-09 02:14:06,302 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 249 transitions. Word has length 28 [2025-03-09 02:14:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:06,302 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 249 transitions. [2025-03-09 02:14:06,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 249 transitions. [2025-03-09 02:14:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-09 02:14:06,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:06,303 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:06,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:14:06,303 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:06,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:06,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1614729456, now seen corresponding path program 1 times [2025-03-09 02:14:06,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:06,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486778926] [2025-03-09 02:14:06,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:06,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:14:06,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:14:06,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:06,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:06,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:06,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486778926] [2025-03-09 02:14:06,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486778926] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:06,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:06,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:14:06,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622361062] [2025-03-09 02:14:06,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:06,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:14:06,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:06,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:14:06,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:14:06,355 INFO L87 Difference]: Start difference. First operand 223 states and 249 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:06,380 INFO L93 Difference]: Finished difference Result 252 states and 276 transitions. [2025-03-09 02:14:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:14:06,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-03-09 02:14:06,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:06,382 INFO L225 Difference]: With dead ends: 252 [2025-03-09 02:14:06,383 INFO L226 Difference]: Without dead ends: 223 [2025-03-09 02:14:06,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:14:06,384 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 8 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:06,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 570 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-03-09 02:14:06,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2025-03-09 02:14:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 214 states have internal predecessors, (235), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:14:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 247 transitions. [2025-03-09 02:14:06,393 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 247 transitions. Word has length 29 [2025-03-09 02:14:06,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:06,395 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 247 transitions. [2025-03-09 02:14:06,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,395 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 247 transitions. [2025-03-09 02:14:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-09 02:14:06,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:06,395 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:06,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 02:14:06,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:06,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:06,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1271818318, now seen corresponding path program 1 times [2025-03-09 02:14:06,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:06,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95783620] [2025-03-09 02:14:06,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:06,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:06,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-09 02:14:06,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-09 02:14:06,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:06,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:06,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:06,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95783620] [2025-03-09 02:14:06,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95783620] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:06,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:06,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:14:06,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80409277] [2025-03-09 02:14:06,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:06,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:14:06,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:06,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:14:06,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:06,447 INFO L87 Difference]: Start difference. First operand 223 states and 247 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:06,505 INFO L93 Difference]: Finished difference Result 275 states and 301 transitions. [2025-03-09 02:14:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:14:06,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-03-09 02:14:06,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:06,506 INFO L225 Difference]: With dead ends: 275 [2025-03-09 02:14:06,506 INFO L226 Difference]: Without dead ends: 272 [2025-03-09 02:14:06,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:06,507 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 141 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:06,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 274 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:06,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2025-03-09 02:14:06,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 238. [2025-03-09 02:14:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 155 states have (on average 1.664516129032258) internal successors, (258), 229 states have internal predecessors, (258), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:14:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 270 transitions. [2025-03-09 02:14:06,514 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 270 transitions. Word has length 31 [2025-03-09 02:14:06,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:06,514 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 270 transitions. [2025-03-09 02:14:06,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 270 transitions. [2025-03-09 02:14:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-09 02:14:06,515 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:06,515 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:06,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 02:14:06,515 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:06,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:06,515 INFO L85 PathProgramCache]: Analyzing trace with hash 771662345, now seen corresponding path program 1 times [2025-03-09 02:14:06,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:06,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030981140] [2025-03-09 02:14:06,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:06,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-09 02:14:06,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-09 02:14:06,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:06,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:06,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:06,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030981140] [2025-03-09 02:14:06,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030981140] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:06,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:06,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:14:06,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15449690] [2025-03-09 02:14:06,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:06,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:14:06,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:06,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:14:06,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:14:06,571 INFO L87 Difference]: Start difference. First operand 238 states and 270 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:06,685 INFO L93 Difference]: Finished difference Result 278 states and 303 transitions. [2025-03-09 02:14:06,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:14:06,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-03-09 02:14:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:06,687 INFO L225 Difference]: With dead ends: 278 [2025-03-09 02:14:06,687 INFO L226 Difference]: Without dead ends: 275 [2025-03-09 02:14:06,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:14:06,688 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 151 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:06,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 431 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:14:06,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-03-09 02:14:06,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 241. [2025-03-09 02:14:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 158 states have (on average 1.6455696202531647) internal successors, (260), 232 states have internal predecessors, (260), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:14:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2025-03-09 02:14:06,699 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 32 [2025-03-09 02:14:06,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:06,699 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2025-03-09 02:14:06,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2025-03-09 02:14:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-09 02:14:06,700 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:06,700 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:06,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 02:14:06,700 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:06,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:06,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1848270932, now seen corresponding path program 1 times [2025-03-09 02:14:06,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:06,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208112992] [2025-03-09 02:14:06,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:06,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:06,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 02:14:06,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 02:14:06,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:06,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:14:06,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38459071] [2025-03-09 02:14:06,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:06,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:06,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:06,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:06,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:14:06,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 02:14:06,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 02:14:06,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:06,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:06,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 02:14:06,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:06,798 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:14:06,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:06,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208112992] [2025-03-09 02:14:06,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:14:06,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38459071] [2025-03-09 02:14:06,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38459071] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:06,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:06,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:14:06,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385000432] [2025-03-09 02:14:06,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:06,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:14:06,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:06,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:14:06,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:06,801 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:06,916 INFO L93 Difference]: Finished difference Result 390 states and 436 transitions. [2025-03-09 02:14:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:14:06,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2025-03-09 02:14:06,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:06,918 INFO L225 Difference]: With dead ends: 390 [2025-03-09 02:14:06,918 INFO L226 Difference]: Without dead ends: 387 [2025-03-09 02:14:06,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:06,918 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 139 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 368 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 [2025-03-09 02:14:06,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 368 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:14:06,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-03-09 02:14:06,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 313. [2025-03-09 02:14:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.669603524229075) internal successors, (379), 301 states have internal predecessors, (379), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-09 02:14:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 397 transitions. [2025-03-09 02:14:06,929 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 397 transitions. Word has length 33 [2025-03-09 02:14:06,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:06,930 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 397 transitions. [2025-03-09 02:14:06,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 397 transitions. [2025-03-09 02:14:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-09 02:14:06,930 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:06,930 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:06,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 02:14:07,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:07,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:07,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:07,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1461823897, now seen corresponding path program 1 times [2025-03-09 02:14:07,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:07,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505633170] [2025-03-09 02:14:07,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:07,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:07,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-09 02:14:07,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-09 02:14:07,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:07,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:14:07,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:07,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505633170] [2025-03-09 02:14:07,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505633170] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:14:07,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947061705] [2025-03-09 02:14:07,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:07,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:07,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:07,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:14:07,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-09 02:14:07,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-09 02:14:07,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:07,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:07,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:14:07,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:14:07,532 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:14:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:14:07,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947061705] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:14:07,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:14:07,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2025-03-09 02:14:07,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143561132] [2025-03-09 02:14:07,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:14:07,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:14:07,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:07,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:14:07,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:14:07,700 INFO L87 Difference]: Start difference. First operand 313 states and 397 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:14:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:08,015 INFO L93 Difference]: Finished difference Result 430 states and 471 transitions. [2025-03-09 02:14:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:14:08,015 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) Word has length 34 [2025-03-09 02:14:08,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:08,017 INFO L225 Difference]: With dead ends: 430 [2025-03-09 02:14:08,017 INFO L226 Difference]: Without dead ends: 427 [2025-03-09 02:14:08,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:14:08,018 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 689 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:08,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1091 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:14:08,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2025-03-09 02:14:08,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 319. [2025-03-09 02:14:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 233 states have (on average 1.648068669527897) internal successors, (384), 307 states have internal predecessors, (384), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-09 02:14:08,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 402 transitions. [2025-03-09 02:14:08,031 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 402 transitions. Word has length 34 [2025-03-09 02:14:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:08,031 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 402 transitions. [2025-03-09 02:14:08,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:14:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 402 transitions. [2025-03-09 02:14:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-09 02:14:08,032 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:08,032 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:08,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 02:14:08,236 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,SelfDestructingSolverStorable10 [2025-03-09 02:14:08,236 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:08,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:08,236 INFO L85 PathProgramCache]: Analyzing trace with hash -358454587, now seen corresponding path program 1 times [2025-03-09 02:14:08,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:08,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685446831] [2025-03-09 02:14:08,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:08,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-09 02:14:08,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-09 02:14:08,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:08,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:14:08,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280709694] [2025-03-09 02:14:08,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:08,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:08,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:08,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:08,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:14:08,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-09 02:14:08,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-09 02:14:08,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:08,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:08,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:14:08,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:14:08,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:14:08,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:08,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685446831] [2025-03-09 02:14:08,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:14:08,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280709694] [2025-03-09 02:14:08,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280709694] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:14:08,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:14:08,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-09 02:14:08,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314962220] [2025-03-09 02:14:08,515 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:14:08,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:14:08,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:08,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:14:08,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:14:08,516 INFO L87 Difference]: Start difference. First operand 319 states and 402 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:14:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:12,220 INFO L93 Difference]: Finished difference Result 499 states and 616 transitions. [2025-03-09 02:14:12,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:14:12,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-03-09 02:14:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:12,222 INFO L225 Difference]: With dead ends: 499 [2025-03-09 02:14:12,222 INFO L226 Difference]: Without dead ends: 472 [2025-03-09 02:14:12,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:14:12,223 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 428 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:12,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 520 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2025-03-09 02:14:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2025-03-09 02:14:12,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 438. [2025-03-09 02:14:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 349 states have (on average 1.5501432664756447) internal successors, (541), 423 states have internal predecessors, (541), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-09 02:14:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 565 transitions. [2025-03-09 02:14:12,241 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 565 transitions. Word has length 36 [2025-03-09 02:14:12,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:12,242 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 565 transitions. [2025-03-09 02:14:12,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:14:12,242 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 565 transitions. [2025-03-09 02:14:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:14:12,243 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:12,243 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:12,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 02:14:12,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:12,447 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:12,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:12,447 INFO L85 PathProgramCache]: Analyzing trace with hash -877469917, now seen corresponding path program 1 times [2025-03-09 02:14:12,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:12,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100336318] [2025-03-09 02:14:12,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:12,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:12,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:14:12,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:14:12,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:12,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:14:12,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733759736] [2025-03-09 02:14:12,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:12,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:12,458 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:12,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 02:14:12,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:14:12,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:14:12,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:12,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:12,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:14:12,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:12,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:14:12,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:12,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100336318] [2025-03-09 02:14:12,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:14:12,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733759736] [2025-03-09 02:14:12,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733759736] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:12,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:12,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:14:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827620500] [2025-03-09 02:14:12,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:12,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:14:12,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:12,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:14:12,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:12,507 INFO L87 Difference]: Start difference. First operand 438 states and 565 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:12,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:12,672 INFO L93 Difference]: Finished difference Result 630 states and 798 transitions. [2025-03-09 02:14:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:14:12,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2025-03-09 02:14:12,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:12,674 INFO L225 Difference]: With dead ends: 630 [2025-03-09 02:14:12,675 INFO L226 Difference]: Without dead ends: 589 [2025-03-09 02:14:12,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:14:12,676 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 117 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:12,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 271 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:14:12,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2025-03-09 02:14:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 557. [2025-03-09 02:14:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 465 states have (on average 1.4903225806451612) internal successors, (693), 539 states have internal predecessors, (693), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:14:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 723 transitions. [2025-03-09 02:14:12,713 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 723 transitions. Word has length 38 [2025-03-09 02:14:12,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:12,713 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 723 transitions. [2025-03-09 02:14:12,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:14:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 723 transitions. [2025-03-09 02:14:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-09 02:14:12,713 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:12,713 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:12,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:14:12,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:12,915 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:12,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -632926895, now seen corresponding path program 1 times [2025-03-09 02:14:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:12,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280690240] [2025-03-09 02:14:12,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:12,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-09 02:14:12,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-09 02:14:12,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:12,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:12,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:12,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280690240] [2025-03-09 02:14:12,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280690240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:12,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:12,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:14:12,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596458626] [2025-03-09 02:14:12,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:12,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:14:12,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:12,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:14:12,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:14:12,986 INFO L87 Difference]: Start difference. First operand 557 states and 723 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2025-03-09 02:14:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:13,059 INFO L93 Difference]: Finished difference Result 645 states and 824 transitions. [2025-03-09 02:14:13,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:14:13,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 56 [2025-03-09 02:14:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:13,061 INFO L225 Difference]: With dead ends: 645 [2025-03-09 02:14:13,061 INFO L226 Difference]: Without dead ends: 644 [2025-03-09 02:14:13,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:14:13,062 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 63 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:13,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 940 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:13,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-09 02:14:13,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 618. [2025-03-09 02:14:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.4780114722753346) internal successors, (773), 596 states have internal predecessors, (773), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:14:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 807 transitions. [2025-03-09 02:14:13,086 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 807 transitions. Word has length 56 [2025-03-09 02:14:13,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:13,086 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 807 transitions. [2025-03-09 02:14:13,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2025-03-09 02:14:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 807 transitions. [2025-03-09 02:14:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-09 02:14:13,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:13,087 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:13,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 02:14:13,087 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:13,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:13,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1854102845, now seen corresponding path program 1 times [2025-03-09 02:14:13,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:13,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320484433] [2025-03-09 02:14:13,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:13,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:13,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-09 02:14:13,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-09 02:14:13,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:13,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:13,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:13,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320484433] [2025-03-09 02:14:13,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320484433] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:13,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:13,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:14:13,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074474107] [2025-03-09 02:14:13,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:13,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:14:13,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:13,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:14:13,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:14:13,157 INFO L87 Difference]: Start difference. First operand 618 states and 807 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2025-03-09 02:14:13,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:13,235 INFO L93 Difference]: Finished difference Result 1126 states and 1480 transitions. [2025-03-09 02:14:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:14:13,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 57 [2025-03-09 02:14:13,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:13,238 INFO L225 Difference]: With dead ends: 1126 [2025-03-09 02:14:13,238 INFO L226 Difference]: Without dead ends: 618 [2025-03-09 02:14:13,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:14:13,240 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 20 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:13,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 776 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-09 02:14:13,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2025-03-09 02:14:13,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.474187380497132) internal successors, (771), 596 states have internal predecessors, (771), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:14:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 805 transitions. [2025-03-09 02:14:13,262 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 805 transitions. Word has length 57 [2025-03-09 02:14:13,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:13,263 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 805 transitions. [2025-03-09 02:14:13,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2025-03-09 02:14:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 805 transitions. [2025-03-09 02:14:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-09 02:14:13,264 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:13,265 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] [2025-03-09 02:14:13,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 02:14:13,265 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:13,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:13,265 INFO L85 PathProgramCache]: Analyzing trace with hash 933851991, now seen corresponding path program 1 times [2025-03-09 02:14:13,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:13,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472875441] [2025-03-09 02:14:13,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:13,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:13,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-09 02:14:13,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-09 02:14:13,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:13,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:13,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:13,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472875441] [2025-03-09 02:14:13,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472875441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:13,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:13,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:14:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722430905] [2025-03-09 02:14:13,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:13,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:14:13,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:13,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:14:13,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:14:13,313 INFO L87 Difference]: Start difference. First operand 618 states and 805 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:14:13,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:13,520 INFO L93 Difference]: Finished difference Result 651 states and 806 transitions. [2025-03-09 02:14:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:14:13,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 83 [2025-03-09 02:14:13,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:13,522 INFO L225 Difference]: With dead ends: 651 [2025-03-09 02:14:13,522 INFO L226 Difference]: Without dead ends: 650 [2025-03-09 02:14:13,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:14:13,523 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 82 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:13,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 379 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:14:13,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2025-03-09 02:14:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 618. [2025-03-09 02:14:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.468451242829828) internal successors, (768), 596 states have internal predecessors, (768), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:14:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 802 transitions. [2025-03-09 02:14:13,558 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 802 transitions. Word has length 83 [2025-03-09 02:14:13,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:13,558 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 802 transitions. [2025-03-09 02:14:13,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:14:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 802 transitions. [2025-03-09 02:14:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-09 02:14:13,559 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:13,559 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] [2025-03-09 02:14:13,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 02:14:13,559 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:13,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:13,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1115360503, now seen corresponding path program 1 times [2025-03-09 02:14:13,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:13,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354236282] [2025-03-09 02:14:13,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:13,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:14:13,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:14:13,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:13,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:13,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:13,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354236282] [2025-03-09 02:14:13,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354236282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:13,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:13,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 02:14:13,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941283362] [2025-03-09 02:14:13,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:13,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:14:13,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:13,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:14:13,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:14:13,652 INFO L87 Difference]: Start difference. First operand 618 states and 802 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:14:13,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:13,759 INFO L93 Difference]: Finished difference Result 623 states and 805 transitions. [2025-03-09 02:14:13,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:14:13,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 84 [2025-03-09 02:14:13,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:13,761 INFO L225 Difference]: With dead ends: 623 [2025-03-09 02:14:13,761 INFO L226 Difference]: Without dead ends: 620 [2025-03-09 02:14:13,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:14:13,762 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 229 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:13,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 825 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:14:13,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2025-03-09 02:14:13,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 619. [2025-03-09 02:14:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 526 states have (on average 1.4277566539923954) internal successors, (751), 596 states have internal predecessors, (751), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:14:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 785 transitions. [2025-03-09 02:14:13,789 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 785 transitions. Word has length 84 [2025-03-09 02:14:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:13,789 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 785 transitions. [2025-03-09 02:14:13,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:14:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 785 transitions. [2025-03-09 02:14:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-09 02:14:13,790 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:13,790 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] [2025-03-09 02:14:13,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 02:14:13,790 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:13,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:13,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1115359286, now seen corresponding path program 1 times [2025-03-09 02:14:13,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:13,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889595011] [2025-03-09 02:14:13,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:13,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:13,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:14:13,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:14:13,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:13,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:13,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:13,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889595011] [2025-03-09 02:14:13,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889595011] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:13,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:13,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:14:13,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851035669] [2025-03-09 02:14:13,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:13,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:14:13,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:13,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:14:13,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:14:13,869 INFO L87 Difference]: Start difference. First operand 619 states and 785 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:14:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:14,235 INFO L93 Difference]: Finished difference Result 661 states and 807 transitions. [2025-03-09 02:14:14,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:14:14,236 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2025-03-09 02:14:14,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:14,239 INFO L225 Difference]: With dead ends: 661 [2025-03-09 02:14:14,239 INFO L226 Difference]: Without dead ends: 660 [2025-03-09 02:14:14,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:14:14,239 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 357 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:14,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 319 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:14:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2025-03-09 02:14:14,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 619. [2025-03-09 02:14:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 526 states have (on average 1.4220532319391634) internal successors, (748), 596 states have internal predecessors, (748), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:14:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 782 transitions. [2025-03-09 02:14:14,271 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 782 transitions. Word has length 84 [2025-03-09 02:14:14,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:14,272 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 782 transitions. [2025-03-09 02:14:14,272 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:14:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 782 transitions. [2025-03-09 02:14:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-09 02:14:14,273 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:14,273 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] [2025-03-09 02:14:14,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 02:14:14,273 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:14,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:14,274 INFO L85 PathProgramCache]: Analyzing trace with hash -216437170, now seen corresponding path program 1 times [2025-03-09 02:14:14,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:14,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304235757] [2025-03-09 02:14:14,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:14,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:14,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:14:14,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:14:14,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:14,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:14,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:14,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304235757] [2025-03-09 02:14:14,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304235757] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:14:14,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:14:14,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 02:14:14,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218774696] [2025-03-09 02:14:14,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:14:14,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:14:14,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:14,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:14:14,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:14:14,381 INFO L87 Difference]: Start difference. First operand 619 states and 782 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:14:14,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:14,474 INFO L93 Difference]: Finished difference Result 1140 states and 1447 transitions. [2025-03-09 02:14:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:14:14,474 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 85 [2025-03-09 02:14:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:14,477 INFO L225 Difference]: With dead ends: 1140 [2025-03-09 02:14:14,477 INFO L226 Difference]: Without dead ends: 631 [2025-03-09 02:14:14,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:14:14,478 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 35 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:14,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1107 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:14:14,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2025-03-09 02:14:14,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2025-03-09 02:14:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 533 states have (on average 1.4165103189493433) internal successors, (755), 603 states have internal predecessors, (755), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:14:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 789 transitions. [2025-03-09 02:14:14,504 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 789 transitions. Word has length 85 [2025-03-09 02:14:14,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:14,505 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 789 transitions. [2025-03-09 02:14:14,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:14:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 789 transitions. [2025-03-09 02:14:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-09 02:14:14,505 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:14,506 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:14,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 02:14:14,506 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:14,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash -297430072, now seen corresponding path program 1 times [2025-03-09 02:14:14,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:14,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357143043] [2025-03-09 02:14:14,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:14,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:14,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:14:14,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:14:14,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:14,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:14,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:14,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357143043] [2025-03-09 02:14:14,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357143043] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:14:14,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107044968] [2025-03-09 02:14:14,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:14,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:14,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:14,590 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:14,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 02:14:14,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:14:14,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:14:14,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:14,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:14,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:14:14,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:14:14,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:14:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:14,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107044968] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:14:14,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:14:14,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-03-09 02:14:14,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165263370] [2025-03-09 02:14:14,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:14:14,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:14:14,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:14,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:14:14,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:14:14,851 INFO L87 Difference]: Start difference. First operand 627 states and 789 transitions. Second operand has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-03-09 02:14:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:15,025 INFO L93 Difference]: Finished difference Result 1051 states and 1298 transitions. [2025-03-09 02:14:15,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 02:14:15,026 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 89 [2025-03-09 02:14:15,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:15,029 INFO L225 Difference]: With dead ends: 1051 [2025-03-09 02:14:15,029 INFO L226 Difference]: Without dead ends: 733 [2025-03-09 02:14:15,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:14:15,030 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 98 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:15,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1528 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:14:15,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2025-03-09 02:14:15,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 694. [2025-03-09 02:14:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 596 states have (on average 1.424496644295302) internal successors, (849), 666 states have internal predecessors, (849), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-09 02:14:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 887 transitions. [2025-03-09 02:14:15,061 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 887 transitions. Word has length 89 [2025-03-09 02:14:15,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:15,061 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 887 transitions. [2025-03-09 02:14:15,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-03-09 02:14:15,062 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 887 transitions. [2025-03-09 02:14:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-09 02:14:15,062 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:15,062 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2025-03-09 02:14:15,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-09 02:14:15,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:15,263 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:15,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1932513094, now seen corresponding path program 1 times [2025-03-09 02:14:15,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:15,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161165635] [2025-03-09 02:14:15,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:15,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:15,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:14:15,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:14:15,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:15,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:15,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:15,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161165635] [2025-03-09 02:14:15,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161165635] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:14:15,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551515095] [2025-03-09 02:14:15,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:15,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:15,394 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:15,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 02:14:15,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:14:15,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:14:15,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:15,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:15,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:14:15,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:15,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:14:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:15,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551515095] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:14:15,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:14:15,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-03-09 02:14:15,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167389866] [2025-03-09 02:14:15,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:14:15,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:14:15,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:15,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:14:15,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:14:15,733 INFO L87 Difference]: Start difference. First operand 694 states and 887 transitions. Second operand has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:14:16,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:14:16,951 INFO L93 Difference]: Finished difference Result 1855 states and 2321 transitions. [2025-03-09 02:14:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 02:14:16,952 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 91 [2025-03-09 02:14:16,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:14:16,958 INFO L225 Difference]: With dead ends: 1855 [2025-03-09 02:14:16,958 INFO L226 Difference]: Without dead ends: 1346 [2025-03-09 02:14:16,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:14:16,961 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 1487 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:14:16,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1085 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-09 02:14:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2025-03-09 02:14:17,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1011. [2025-03-09 02:14:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 903 states have (on average 1.415282392026578) internal successors, (1278), 972 states have internal predecessors, (1278), 30 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:14:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1338 transitions. [2025-03-09 02:14:17,017 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1338 transitions. Word has length 91 [2025-03-09 02:14:17,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:14:17,018 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1338 transitions. [2025-03-09 02:14:17,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:14:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1338 transitions. [2025-03-09 02:14:17,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-09 02:14:17,019 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:14:17,019 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2025-03-09 02:14:17,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 02:14:17,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:17,219 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2025-03-09 02:14:17,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:14:17,220 INFO L85 PathProgramCache]: Analyzing trace with hash -221636126, now seen corresponding path program 1 times [2025-03-09 02:14:17,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:14:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558752031] [2025-03-09 02:14:17,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:17,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:14:17,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:14:17,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:14:17,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:17,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:17,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:14:17,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558752031] [2025-03-09 02:14:17,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558752031] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:14:17,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867087677] [2025-03-09 02:14:17,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:14:17,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:14:17,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:14:17,299 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:14:17,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 02:14:17,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:14:17,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:14:17,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:14:17,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:14:17,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:14:17,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:14:31,531 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_44| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_44| |v_ULTIMATE.start_main_~R~0#1_44|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2025-03-09 02:14:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 6 not checked. [2025-03-09 02:14:31,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:14:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:14:31,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867087677] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:14:31,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:14:31,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-03-09 02:14:31,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396422958] [2025-03-09 02:14:31,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:14:31,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:14:31,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:14:31,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:14:31,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=107, Unknown=5, NotChecked=22, Total=182 [2025-03-09 02:14:31,726 INFO L87 Difference]: Start difference. First operand 1011 states and 1338 transitions. Second operand has 14 states, 13 states have (on average 15.384615384615385) internal successors, (200), 14 states have internal predecessors, (200), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:14:36,706 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 [0] [2025-03-09 02:14:37,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:14:49,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:14:50,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:14:51,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:14:55,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:14:59,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:03,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:04,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:06,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:10,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:14,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:15,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:16,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:20,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:21,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:22,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:23,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:25,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:26,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:30,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:31,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:35,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:36,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:38,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:42,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:46,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:15:47,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]