./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.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 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:51:20,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:51:20,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:51:20,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:51:20,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:51:20,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:51:20,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:51:20,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:51:20,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:51:20,803 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:51:20,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:51:20,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:51:20,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:51:20,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:51:20,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:51:20,805 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:51:20,805 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:51:20,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:51:20,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:51:20,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:51:20,807 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 -> 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 [2025-03-04 10:51:21,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:51:21,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:51:21,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:51:21,215 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:51:21,215 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:51:21,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2025-03-04 10:51:22,376 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d787fc8e/96257a8bcb384c1f84d59691ce88f56b/FLAG188db918e [2025-03-04 10:51:22,654 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:51:22,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2025-03-04 10:51:22,662 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d787fc8e/96257a8bcb384c1f84d59691ce88f56b/FLAG188db918e [2025-03-04 10:51:22,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d787fc8e/96257a8bcb384c1f84d59691ce88f56b [2025-03-04 10:51:22,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:51:22,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:51:22,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:51:22,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:51:22,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:51:22,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659b9ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22, skipping insertion in model container [2025-03-04 10:51:22,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:51:22,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:51:22,827 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:51:22,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:51:22,847 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:51:22,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22 WrapperNode [2025-03-04 10:51:22,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:51:22,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:51:22,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:51:22,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:51:22,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,875 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2025-03-04 10:51:22,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:51:22,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:51:22,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:51:22,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:51:22,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,890 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 10:51:22,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:51:22,896 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:51:22,896 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:51:22,896 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:51:22,897 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (1/1) ... [2025-03-04 10:51:22,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:51:22,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:22,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 10:51:22,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 10:51:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:51:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:51:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:51:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:51:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 10:51:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 10:51:22,974 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:51:22,976 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:51:23,241 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2025-03-04 10:51:23,241 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:51:23,250 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:51:23,251 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:51:23,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:51:23 BoogieIcfgContainer [2025-03-04 10:51:23,251 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:51:23,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:51:23,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:51:23,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:51:23,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:51:22" (1/3) ... [2025-03-04 10:51:23,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6651a26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:51:23, skipping insertion in model container [2025-03-04 10:51:23,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:22" (2/3) ... [2025-03-04 10:51:23,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6651a26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:51:23, skipping insertion in model container [2025-03-04 10:51:23,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:51:23" (3/3) ... [2025-03-04 10:51:23,259 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound5.c [2025-03-04 10:51:23,270 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:51:23,272 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_unwindbound5.c that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-03-04 10:51:23,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:51:23,317 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;@227ef5c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:51:23,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-03-04 10:51:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-04 10:51:23,322 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:23,323 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-04 10:51:23,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:23,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:23,326 INFO L85 PathProgramCache]: Analyzing trace with hash 163813, now seen corresponding path program 1 times [2025-03-04 10:51:23,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:23,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80429422] [2025-03-04 10:51:23,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:23,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:23,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 10:51:23,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 10:51:23,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:23,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:23,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:23,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80429422] [2025-03-04 10:51:23,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80429422] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:23,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:23,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:23,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079387243] [2025-03-04 10:51:23,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:23,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:23,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:23,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:23,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:23,465 INFO L87 Difference]: Start difference. First operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2025-03-04 10:51:23,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:23,611 INFO L93 Difference]: Finished difference Result 264 states and 279 transitions. [2025-03-04 10:51:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:23,612 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 [2025-03-04 10:51:23,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:23,617 INFO L225 Difference]: With dead ends: 264 [2025-03-04 10:51:23,618 INFO L226 Difference]: Without dead ends: 128 [2025-03-04 10:51:23,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:23,623 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:23,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 85 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:23,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-03-04 10:51:23,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-03-04 10:51:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 70 states have (on average 1.8285714285714285) internal successors, (128), 125 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2025-03-04 10:51:23,651 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 3 [2025-03-04 10:51:23,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:23,651 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2025-03-04 10:51:23,652 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) [2025-03-04 10:51:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2025-03-04 10:51:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-04 10:51:23,652 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:23,652 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-04 10:51:23,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:51:23,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:23,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:23,656 INFO L85 PathProgramCache]: Analyzing trace with hash 5078303, now seen corresponding path program 1 times [2025-03-04 10:51:23,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:23,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085066924] [2025-03-04 10:51:23,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:23,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:23,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 10:51:23,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 10:51:23,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:23,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:23,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:23,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085066924] [2025-03-04 10:51:23,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085066924] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:23,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:23,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:23,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991707363] [2025-03-04 10:51:23,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:23,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:23,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:23,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:23,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:23,684 INFO L87 Difference]: Start difference. First operand 128 states and 130 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) [2025-03-04 10:51:23,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:23,768 INFO L93 Difference]: Finished difference Result 128 states and 130 transitions. [2025-03-04 10:51:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:23,768 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 [2025-03-04 10:51:23,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:23,769 INFO L225 Difference]: With dead ends: 128 [2025-03-04 10:51:23,769 INFO L226 Difference]: Without dead ends: 124 [2025-03-04 10:51:23,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:23,770 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:23,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 76 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:23,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-03-04 10:51:23,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-03-04 10:51:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7714285714285714) internal successors, (124), 121 states have internal predecessors, (124), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2025-03-04 10:51:23,777 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2025-03-04 10:51:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:23,777 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2025-03-04 10:51:23,777 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) [2025-03-04 10:51:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2025-03-04 10:51:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-04 10:51:23,777 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:23,777 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-04 10:51:23,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:51:23,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:23,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:23,778 INFO L85 PathProgramCache]: Analyzing trace with hash 157427491, now seen corresponding path program 1 times [2025-03-04 10:51:23,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:23,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048522366] [2025-03-04 10:51:23,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:23,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:23,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 10:51:23,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 10:51:23,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:23,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:23,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:23,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048522366] [2025-03-04 10:51:23,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048522366] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:23,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:23,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:23,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743489238] [2025-03-04 10:51:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:23,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:23,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:23,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:23,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:23,822 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:23,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:23,965 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2025-03-04 10:51:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:23,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-04 10:51:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:23,969 INFO L225 Difference]: With dead ends: 124 [2025-03-04 10:51:23,969 INFO L226 Difference]: Without dead ends: 123 [2025-03-04 10:51:23,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:23,970 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 87 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:23,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 62 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:23,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-03-04 10:51:23,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-03-04 10:51:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7571428571428571) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2025-03-04 10:51:23,978 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 5 [2025-03-04 10:51:23,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:23,978 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2025-03-04 10:51:23,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2025-03-04 10:51:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 10:51:23,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:23,978 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 10:51:23,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:51:23,982 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:23,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash 585285021, now seen corresponding path program 1 times [2025-03-04 10:51:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:23,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936995253] [2025-03-04 10:51:23,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:23,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 10:51:23,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 10:51:23,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:23,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:24,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:24,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936995253] [2025-03-04 10:51:24,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936995253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:24,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:24,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:24,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915758643] [2025-03-04 10:51:24,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:24,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:24,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:24,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:24,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:24,022 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:24,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:24,120 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2025-03-04 10:51:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:24,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-04 10:51:24,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:24,121 INFO L225 Difference]: With dead ends: 123 [2025-03-04 10:51:24,121 INFO L226 Difference]: Without dead ends: 122 [2025-03-04 10:51:24,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:24,122 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:24,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 62 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:24,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-03-04 10:51:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-03-04 10:51:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-03-04 10:51:24,132 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 6 [2025-03-04 10:51:24,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:24,132 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-03-04 10:51:24,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-03-04 10:51:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 10:51:24,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:24,133 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:24,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:51:24,133 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:24,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:24,133 INFO L85 PathProgramCache]: Analyzing trace with hash -181807589, now seen corresponding path program 1 times [2025-03-04 10:51:24,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:24,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363471639] [2025-03-04 10:51:24,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:24,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 10:51:24,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 10:51:24,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:24,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:24,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363471639] [2025-03-04 10:51:24,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363471639] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:24,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:24,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:24,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843095521] [2025-03-04 10:51:24,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:24,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:24,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:24,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:24,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:24,185 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) 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) [2025-03-04 10:51:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:24,221 INFO L93 Difference]: Finished difference Result 170 states and 172 transitions. [2025-03-04 10:51:24,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:24,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 [2025-03-04 10:51:24,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:24,222 INFO L225 Difference]: With dead ends: 170 [2025-03-04 10:51:24,222 INFO L226 Difference]: Without dead ends: 126 [2025-03-04 10:51:24,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:24,223 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 4 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:24,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 351 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:24,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-03-04 10:51:24,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-04 10:51:24,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 123 states have internal predecessors, (126), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2025-03-04 10:51:24,231 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 8 [2025-03-04 10:51:24,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:24,231 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2025-03-04 10:51:24,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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) [2025-03-04 10:51:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2025-03-04 10:51:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-04 10:51:24,231 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:24,231 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:24,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:51:24,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:24,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:24,232 INFO L85 PathProgramCache]: Analyzing trace with hash -276034339, now seen corresponding path program 1 times [2025-03-04 10:51:24,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:24,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841935923] [2025-03-04 10:51:24,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:24,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 10:51:24,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 10:51:24,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:24,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951137354] [2025-03-04 10:51:24,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:24,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:24,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:24,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:51:24,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 10:51:24,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 10:51:24,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:24,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:51:24,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:24,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:24,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:24,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841935923] [2025-03-04 10:51:24,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:24,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951137354] [2025-03-04 10:51:24,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951137354] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:24,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:24,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:24,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472938997] [2025-03-04 10:51:24,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:24,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:24,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:24,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:24,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:24,295 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:24,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:24,364 INFO L93 Difference]: Finished difference Result 194 states and 199 transitions. [2025-03-04 10:51:24,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:24,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2025-03-04 10:51:24,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:24,368 INFO L225 Difference]: With dead ends: 194 [2025-03-04 10:51:24,368 INFO L226 Difference]: Without dead ends: 188 [2025-03-04 10:51:24,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:24,369 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:24,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 221 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:24,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-03-04 10:51:24,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 150. [2025-03-04 10:51:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 97 states have (on average 1.690721649484536) internal successors, (164), 146 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 168 transitions. [2025-03-04 10:51:24,381 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 168 transitions. Word has length 11 [2025-03-04 10:51:24,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:24,382 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 168 transitions. [2025-03-04 10:51:24,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 168 transitions. [2025-03-04 10:51:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-04 10:51:24,382 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:24,382 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:24,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:51:24,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-04 10:51:24,583 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:24,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:24,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1018975259, now seen corresponding path program 1 times [2025-03-04 10:51:24,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:24,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370203438] [2025-03-04 10:51:24,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:24,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:51:24,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:51:24,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:24,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730985960] [2025-03-04 10:51:24,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:24,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:24,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:24,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:51:24,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:51:24,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:51:24,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:24,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:51:24,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:24,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:24,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:24,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370203438] [2025-03-04 10:51:24,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:24,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730985960] [2025-03-04 10:51:24,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730985960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:24,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:24,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:24,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149299906] [2025-03-04 10:51:24,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:24,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:24,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:24,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:24,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:24,634 INFO L87 Difference]: Start difference. First operand 150 states and 168 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:24,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:24,669 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2025-03-04 10:51:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:24,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2025-03-04 10:51:24,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:24,670 INFO L225 Difference]: With dead ends: 256 [2025-03-04 10:51:24,670 INFO L226 Difference]: Without dead ends: 250 [2025-03-04 10:51:24,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:24,671 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 94 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:24,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 219 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:24,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-04 10:51:24,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 202. [2025-03-04 10:51:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6891891891891893) internal successors, (250), 197 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 256 transitions. [2025-03-04 10:51:24,683 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 256 transitions. Word has length 13 [2025-03-04 10:51:24,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:24,683 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 256 transitions. [2025-03-04 10:51:24,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 256 transitions. [2025-03-04 10:51:24,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:51:24,683 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:24,683 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:24,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:24,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-04 10:51:24,884 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:24,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:24,884 INFO L85 PathProgramCache]: Analyzing trace with hash -17317031, now seen corresponding path program 1 times [2025-03-04 10:51:24,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:24,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625379803] [2025-03-04 10:51:24,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:24,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:51:24,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:51:24,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:24,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523637187] [2025-03-04 10:51:24,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:24,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:24,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:24,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:51:24,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:51:24,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:51:24,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:24,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:24,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:24,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:24,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:24,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625379803] [2025-03-04 10:51:24,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:24,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523637187] [2025-03-04 10:51:24,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523637187] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:24,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:24,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:24,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364944477] [2025-03-04 10:51:24,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:24,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:24,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:24,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:24,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:24,970 INFO L87 Difference]: Start difference. First operand 202 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:25,102 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2025-03-04 10:51:25,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:25,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2025-03-04 10:51:25,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:25,104 INFO L225 Difference]: With dead ends: 294 [2025-03-04 10:51:25,104 INFO L226 Difference]: Without dead ends: 292 [2025-03-04 10:51:25,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:25,105 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:25,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 241 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:25,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2025-03-04 10:51:25,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 203. [2025-03-04 10:51:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6778523489932886) internal successors, (250), 198 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 256 transitions. [2025-03-04 10:51:25,121 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 256 transitions. Word has length 15 [2025-03-04 10:51:25,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:25,121 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 256 transitions. [2025-03-04 10:51:25,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 256 transitions. [2025-03-04 10:51:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-04 10:51:25,121 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:25,122 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:25,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 10:51:25,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:25,322 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:25,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:25,322 INFO L85 PathProgramCache]: Analyzing trace with hash -536827885, now seen corresponding path program 1 times [2025-03-04 10:51:25,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:25,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60372753] [2025-03-04 10:51:25,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:25,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:25,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 10:51:25,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 10:51:25,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:25,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039359398] [2025-03-04 10:51:25,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:25,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:25,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:25,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:51:25,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 10:51:25,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 10:51:25,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:25,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:25,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:25,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:25,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:25,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:25,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60372753] [2025-03-04 10:51:25,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:25,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039359398] [2025-03-04 10:51:25,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039359398] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:25,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:25,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:25,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835099571] [2025-03-04 10:51:25,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:25,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:25,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:25,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:25,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:25,379 INFO L87 Difference]: Start difference. First operand 203 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:25,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:25,543 INFO L93 Difference]: Finished difference Result 293 states and 355 transitions. [2025-03-04 10:51:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:25,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2025-03-04 10:51:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:25,544 INFO L225 Difference]: With dead ends: 293 [2025-03-04 10:51:25,544 INFO L226 Difference]: Without dead ends: 291 [2025-03-04 10:51:25,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:25,545 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 141 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:25,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 244 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:25,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-03-04 10:51:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 204. [2025-03-04 10:51:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6666666666666667) internal successors, (250), 199 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2025-03-04 10:51:25,556 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 16 [2025-03-04 10:51:25,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:25,556 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2025-03-04 10:51:25,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2025-03-04 10:51:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-04 10:51:25,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:25,557 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:25,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 10:51:25,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:25,762 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:25,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:25,767 INFO L85 PathProgramCache]: Analyzing trace with hash 538204823, now seen corresponding path program 1 times [2025-03-04 10:51:25,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:25,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844682623] [2025-03-04 10:51:25,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:25,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 10:51:25,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 10:51:25,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:25,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:25,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799710525] [2025-03-04 10:51:25,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:25,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:25,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:25,776 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:25,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:51:25,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 10:51:25,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 10:51:25,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:25,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:25,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:25,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:25,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:25,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:25,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844682623] [2025-03-04 10:51:25,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:25,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799710525] [2025-03-04 10:51:25,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799710525] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:25,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:25,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:25,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308613652] [2025-03-04 10:51:25,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:25,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:25,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:25,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:25,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:25,827 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:25,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:25,927 INFO L93 Difference]: Finished difference Result 279 states and 299 transitions. [2025-03-04 10:51:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:25,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2025-03-04 10:51:25,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:25,928 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:25,928 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:25,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:25,929 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 194 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:25,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 264 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 204. [2025-03-04 10:51:25,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6466666666666667) internal successors, (247), 199 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 253 transitions. [2025-03-04 10:51:25,935 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 253 transitions. Word has length 17 [2025-03-04 10:51:25,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:25,935 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 253 transitions. [2025-03-04 10:51:25,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2025-03-04 10:51:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 10:51:25,936 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:25,936 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:25,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:26,136 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,SelfDestructingSolverStorable9 [2025-03-04 10:51:26,137 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:26,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:26,137 INFO L85 PathProgramCache]: Analyzing trace with hash -495519599, now seen corresponding path program 1 times [2025-03-04 10:51:26,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:26,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842533449] [2025-03-04 10:51:26,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:26,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:51:26,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:51:26,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:26,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1055859178] [2025-03-04 10:51:26,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:26,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:26,147 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:26,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 10:51:26,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:51:26,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:51:26,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:26,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:26,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:26,199 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:26,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:26,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842533449] [2025-03-04 10:51:26,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:26,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055859178] [2025-03-04 10:51:26,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055859178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:26,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:26,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:26,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134192951] [2025-03-04 10:51:26,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:26,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:26,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:26,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:26,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:26,200 INFO L87 Difference]: Start difference. First operand 204 states and 253 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:26,310 INFO L93 Difference]: Finished difference Result 277 states and 296 transitions. [2025-03-04 10:51:26,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:26,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2025-03-04 10:51:26,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:26,311 INFO L225 Difference]: With dead ends: 277 [2025-03-04 10:51:26,311 INFO L226 Difference]: Without dead ends: 275 [2025-03-04 10:51:26,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:26,312 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 191 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:26,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 266 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-03-04 10:51:26,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 204. [2025-03-04 10:51:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6266666666666667) internal successors, (244), 199 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 250 transitions. [2025-03-04 10:51:26,319 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 250 transitions. Word has length 18 [2025-03-04 10:51:26,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:26,319 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 250 transitions. [2025-03-04 10:51:26,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 250 transitions. [2025-03-04 10:51:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-04 10:51:26,319 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:26,319 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:26,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 10:51:26,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:26,520 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:26,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:26,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1818761685, now seen corresponding path program 1 times [2025-03-04 10:51:26,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:26,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003626881] [2025-03-04 10:51:26,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:26,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:51:26,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:51:26,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:26,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533347873] [2025-03-04 10:51:26,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:26,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:26,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:26,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 10:51:26,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:51:26,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:51:26,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:26,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:26,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:26,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:26,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:26,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003626881] [2025-03-04 10:51:26,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:26,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533347873] [2025-03-04 10:51:26,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533347873] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:26,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:26,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:26,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272765979] [2025-03-04 10:51:26,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:26,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:26,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:26,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:26,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:26,640 INFO L87 Difference]: Start difference. First operand 204 states and 250 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:26,800 INFO L93 Difference]: Finished difference Result 292 states and 341 transitions. [2025-03-04 10:51:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:26,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2025-03-04 10:51:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:26,801 INFO L225 Difference]: With dead ends: 292 [2025-03-04 10:51:26,801 INFO L226 Difference]: Without dead ends: 290 [2025-03-04 10:51:26,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:26,802 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 216 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:26,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 282 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:26,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-03-04 10:51:26,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 207. [2025-03-04 10:51:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.607843137254902) internal successors, (246), 202 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 252 transitions. [2025-03-04 10:51:26,807 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 252 transitions. Word has length 19 [2025-03-04 10:51:26,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:26,808 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 252 transitions. [2025-03-04 10:51:26,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,808 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 252 transitions. [2025-03-04 10:51:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 10:51:26,808 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:26,808 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:26,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 10:51:27,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,012 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:27,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:27,012 INFO L85 PathProgramCache]: Analyzing trace with hash 547037455, now seen corresponding path program 1 times [2025-03-04 10:51:27,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:27,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195654139] [2025-03-04 10:51:27,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:27,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:51:27,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:51:27,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:27,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634096323] [2025-03-04 10:51:27,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:27,020 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:27,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 10:51:27,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:51:27,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:51:27,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:27,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:27,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:27,105 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:27,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195654139] [2025-03-04 10:51:27,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634096323] [2025-03-04 10:51:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634096323] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:27,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:27,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:27,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177062810] [2025-03-04 10:51:27,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:27,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:27,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:27,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:27,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:27,106 INFO L87 Difference]: Start difference. First operand 207 states and 252 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:27,274 INFO L93 Difference]: Finished difference Result 291 states and 339 transitions. [2025-03-04 10:51:27,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:27,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2025-03-04 10:51:27,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:27,275 INFO L225 Difference]: With dead ends: 291 [2025-03-04 10:51:27,275 INFO L226 Difference]: Without dead ends: 289 [2025-03-04 10:51:27,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:27,275 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 214 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:27,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 285 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:27,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-03-04 10:51:27,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 208. [2025-03-04 10:51:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5974025974025974) internal successors, (246), 203 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:27,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 252 transitions. [2025-03-04 10:51:27,281 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 252 transitions. Word has length 20 [2025-03-04 10:51:27,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:27,281 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 252 transitions. [2025-03-04 10:51:27,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 252 transitions. [2025-03-04 10:51:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-04 10:51:27,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:27,281 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:27,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:27,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-04 10:51:27,482 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:27,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash -221708013, now seen corresponding path program 1 times [2025-03-04 10:51:27,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:27,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606712102] [2025-03-04 10:51:27,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:27,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 10:51:27,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 10:51:27,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:27,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985356097] [2025-03-04 10:51:27,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:27,494 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:27,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 10:51:27,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 10:51:27,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 10:51:27,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:27,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:27,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:27,627 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:27,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:27,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606712102] [2025-03-04 10:51:27,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:27,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985356097] [2025-03-04 10:51:27,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985356097] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:27,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:27,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:27,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533084619] [2025-03-04 10:51:27,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:27,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:27,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:27,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:27,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:27,628 INFO L87 Difference]: Start difference. First operand 208 states and 252 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:27,860 INFO L93 Difference]: Finished difference Result 279 states and 337 transitions. [2025-03-04 10:51:27,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:27,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2025-03-04 10:51:27,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:27,862 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:27,862 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:27,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:27,862 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 284 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:27,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 216 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:27,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:27,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 209. [2025-03-04 10:51:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5870967741935484) internal successors, (246), 204 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 252 transitions. [2025-03-04 10:51:27,868 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 252 transitions. Word has length 21 [2025-03-04 10:51:27,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:27,868 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 252 transitions. [2025-03-04 10:51:27,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2025-03-04 10:51:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-04 10:51:27,869 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:27,869 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:27,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:28,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-04 10:51:28,070 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:28,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:28,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1716986253, now seen corresponding path program 1 times [2025-03-04 10:51:28,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:28,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977959466] [2025-03-04 10:51:28,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:28,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:51:28,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:51:28,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:28,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651929650] [2025-03-04 10:51:28,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:28,080 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:28,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 10:51:28,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:51:28,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:51:28,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:28,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:28,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:28,212 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:28,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:28,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977959466] [2025-03-04 10:51:28,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:28,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651929650] [2025-03-04 10:51:28,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651929650] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:28,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:28,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:28,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961981539] [2025-03-04 10:51:28,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:28,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:28,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:28,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:28,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:28,213 INFO L87 Difference]: Start difference. First operand 209 states and 252 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:28,441 INFO L93 Difference]: Finished difference Result 279 states and 335 transitions. [2025-03-04 10:51:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:28,442 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), 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 22 [2025-03-04 10:51:28,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:28,443 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:28,443 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:28,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:28,443 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 369 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:28,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 201 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:28,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 210. [2025-03-04 10:51:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 205 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 252 transitions. [2025-03-04 10:51:28,448 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 252 transitions. Word has length 22 [2025-03-04 10:51:28,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:28,448 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 252 transitions. [2025-03-04 10:51:28,448 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 252 transitions. [2025-03-04 10:51:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-04 10:51:28,449 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:28,449 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:28,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-04 10:51:28,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-04 10:51:28,650 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:28,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1971996559, now seen corresponding path program 1 times [2025-03-04 10:51:28,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:28,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928661027] [2025-03-04 10:51:28,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:28,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:51:28,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:51:28,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:28,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [28821399] [2025-03-04 10:51:28,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:28,666 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:28,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 10:51:28,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:51:28,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:51:28,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:28,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:28,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:28,824 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:28,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:28,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928661027] [2025-03-04 10:51:28,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:28,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28821399] [2025-03-04 10:51:28,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28821399] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:28,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:28,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:28,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990318395] [2025-03-04 10:51:28,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:28,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:28,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:28,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:28,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:28,826 INFO L87 Difference]: Start difference. First operand 210 states and 252 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:29,088 INFO L93 Difference]: Finished difference Result 271 states and 333 transitions. [2025-03-04 10:51:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:29,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2025-03-04 10:51:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:29,101 INFO L225 Difference]: With dead ends: 271 [2025-03-04 10:51:29,101 INFO L226 Difference]: Without dead ends: 267 [2025-03-04 10:51:29,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:29,102 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 279 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:29,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 146 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:29,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-03-04 10:51:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 211. [2025-03-04 10:51:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 159 states have (on average 1.5471698113207548) internal successors, (246), 206 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 252 transitions. [2025-03-04 10:51:29,109 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 252 transitions. Word has length 25 [2025-03-04 10:51:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:29,109 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 252 transitions. [2025-03-04 10:51:29,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 252 transitions. [2025-03-04 10:51:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 10:51:29,111 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:29,111 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:29,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:29,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-04 10:51:29,312 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:29,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:29,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1002351241, now seen corresponding path program 1 times [2025-03-04 10:51:29,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:29,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281905579] [2025-03-04 10:51:29,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:29,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:51:29,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:51:29,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:29,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35265182] [2025-03-04 10:51:29,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:29,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:29,326 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:29,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 10:51:29,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:51:29,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:51:29,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:29,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:29,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:29,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:29,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:29,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281905579] [2025-03-04 10:51:29,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:29,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35265182] [2025-03-04 10:51:29,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35265182] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:29,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:29,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:29,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286542844] [2025-03-04 10:51:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:29,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:29,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:29,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:29,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:29,492 INFO L87 Difference]: Start difference. First operand 211 states and 252 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:29,758 INFO L93 Difference]: Finished difference Result 269 states and 327 transitions. [2025-03-04 10:51:29,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:29,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2025-03-04 10:51:29,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:29,759 INFO L225 Difference]: With dead ends: 269 [2025-03-04 10:51:29,759 INFO L226 Difference]: Without dead ends: 265 [2025-03-04 10:51:29,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:29,760 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 257 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:29,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 151 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:29,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-03-04 10:51:29,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 210. [2025-03-04 10:51:29,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.525) internal successors, (244), 205 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 250 transitions. [2025-03-04 10:51:29,765 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 250 transitions. Word has length 26 [2025-03-04 10:51:29,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:29,765 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 250 transitions. [2025-03-04 10:51:29,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 250 transitions. [2025-03-04 10:51:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-04 10:51:29,765 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:29,765 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:29,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:29,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-04 10:51:29,966 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:29,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:29,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1008117453, now seen corresponding path program 1 times [2025-03-04 10:51:29,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:29,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973035749] [2025-03-04 10:51:29,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:29,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 10:51:29,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 10:51:29,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973035749] [2025-03-04 10:51:30,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973035749] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:30,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129912106] [2025-03-04 10:51:30,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:30,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:30,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:30,017 INFO L87 Difference]: Start difference. First operand 210 states and 250 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,198 INFO L93 Difference]: Finished difference Result 235 states and 281 transitions. [2025-03-04 10:51:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:30,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2025-03-04 10:51:30,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,199 INFO L225 Difference]: With dead ends: 235 [2025-03-04 10:51:30,199 INFO L226 Difference]: Without dead ends: 233 [2025-03-04 10:51:30,199 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 [2025-03-04 10:51:30,199 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 92 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 156 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:30,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-04 10:51:30,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 211. [2025-03-04 10:51:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.515527950310559) internal successors, (244), 206 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 250 transitions. [2025-03-04 10:51:30,204 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 250 transitions. Word has length 27 [2025-03-04 10:51:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,204 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 250 transitions. [2025-03-04 10:51:30,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 250 transitions. [2025-03-04 10:51:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 10:51:30,205 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,205 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 10:51:30,205 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1186870023, now seen corresponding path program 1 times [2025-03-04 10:51:30,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349692059] [2025-03-04 10:51:30,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 10:51:30,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 10:51:30,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349692059] [2025-03-04 10:51:30,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349692059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:30,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519914240] [2025-03-04 10:51:30,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:30,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:30,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:30,258 INFO L87 Difference]: Start difference. First operand 211 states and 250 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,429 INFO L93 Difference]: Finished difference Result 229 states and 273 transitions. [2025-03-04 10:51:30,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:30,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2025-03-04 10:51:30,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,430 INFO L225 Difference]: With dead ends: 229 [2025-03-04 10:51:30,430 INFO L226 Difference]: Without dead ends: 227 [2025-03-04 10:51:30,431 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 [2025-03-04 10:51:30,431 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 160 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:30,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-04 10:51:30,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 212. [2025-03-04 10:51:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 162 states have (on average 1.5061728395061729) internal successors, (244), 207 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 250 transitions. [2025-03-04 10:51:30,436 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 250 transitions. Word has length 28 [2025-03-04 10:51:30,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,436 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 250 transitions. [2025-03-04 10:51:30,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2025-03-04 10:51:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 10:51:30,436 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,437 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 10:51:30,437 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1442248241, now seen corresponding path program 1 times [2025-03-04 10:51:30,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295962738] [2025-03-04 10:51:30,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 10:51:30,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 10:51:30,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295962738] [2025-03-04 10:51:30,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295962738] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098414653] [2025-03-04 10:51:30,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:30,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:30,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:30,490 INFO L87 Difference]: Start difference. First operand 212 states and 250 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,610 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2025-03-04 10:51:30,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:30,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-03-04 10:51:30,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,611 INFO L225 Difference]: With dead ends: 228 [2025-03-04 10:51:30,611 INFO L226 Difference]: Without dead ends: 227 [2025-03-04 10:51:30,611 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 [2025-03-04 10:51:30,611 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 172 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 113 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-04 10:51:30,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 216. [2025-03-04 10:51:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 166 states have (on average 1.5) internal successors, (249), 211 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 255 transitions. [2025-03-04 10:51:30,616 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 255 transitions. Word has length 38 [2025-03-04 10:51:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,617 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 255 transitions. [2025-03-04 10:51:30,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 255 transitions. [2025-03-04 10:51:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-04 10:51:30,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,618 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-04 10:51:30,618 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1760022488, now seen corresponding path program 1 times [2025-03-04 10:51:30,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308831215] [2025-03-04 10:51:30,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 10:51:30,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 10:51:30,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308831215] [2025-03-04 10:51:30,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308831215] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:30,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913886006] [2025-03-04 10:51:30,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:30,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:30,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:30,664 INFO L87 Difference]: Start difference. First operand 216 states and 255 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,742 INFO L93 Difference]: Finished difference Result 216 states and 255 transitions. [2025-03-04 10:51:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:30,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-03-04 10:51:30,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,743 INFO L225 Difference]: With dead ends: 216 [2025-03-04 10:51:30,743 INFO L226 Difference]: Without dead ends: 215 [2025-03-04 10:51:30,743 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 [2025-03-04 10:51:30,743 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 68 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 143 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:30,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-03-04 10:51:30,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-03-04 10:51:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.4879518072289157) internal successors, (247), 210 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 253 transitions. [2025-03-04 10:51:30,749 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 253 transitions. Word has length 39 [2025-03-04 10:51:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,749 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 253 transitions. [2025-03-04 10:51:30,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 253 transitions. [2025-03-04 10:51:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 10:51:30,751 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,751 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 10:51:30,752 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1317775772, now seen corresponding path program 1 times [2025-03-04 10:51:30,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949343071] [2025-03-04 10:51:30,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 10:51:30,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 10:51:30,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949343071] [2025-03-04 10:51:30,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949343071] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:30,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879058387] [2025-03-04 10:51:30,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:30,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:30,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:30,807 INFO L87 Difference]: Start difference. First operand 215 states and 253 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,906 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2025-03-04 10:51:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-03-04 10:51:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,907 INFO L225 Difference]: With dead ends: 215 [2025-03-04 10:51:30,907 INFO L226 Difference]: Without dead ends: 214 [2025-03-04 10:51:30,907 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 [2025-03-04 10:51:30,911 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 63 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 115 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-03-04 10:51:30,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-03-04 10:51:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4819277108433735) internal successors, (246), 209 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2025-03-04 10:51:30,916 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 40 [2025-03-04 10:51:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,916 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2025-03-04 10:51:30,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2025-03-04 10:51:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:51:30,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,916 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-04 10:51:30,916 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,917 INFO L85 PathProgramCache]: Analyzing trace with hash 835504358, now seen corresponding path program 1 times [2025-03-04 10:51:30,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271321872] [2025-03-04 10:51:30,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 10:51:30,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:51:30,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271321872] [2025-03-04 10:51:30,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271321872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:30,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297887907] [2025-03-04 10:51:30,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:30,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:30,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:30,962 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:31,008 INFO L93 Difference]: Finished difference Result 234 states and 274 transitions. [2025-03-04 10:51:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:31,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-03-04 10:51:31,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:31,009 INFO L225 Difference]: With dead ends: 234 [2025-03-04 10:51:31,009 INFO L226 Difference]: Without dead ends: 232 [2025-03-04 10:51:31,009 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 [2025-03-04 10:51:31,009 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:31,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 310 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-04 10:51:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 229. [2025-03-04 10:51:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.4585635359116023) internal successors, (264), 224 states have internal predecessors, (264), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 270 transitions. [2025-03-04 10:51:31,015 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 270 transitions. Word has length 41 [2025-03-04 10:51:31,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:31,015 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 270 transitions. [2025-03-04 10:51:31,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 270 transitions. [2025-03-04 10:51:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:51:31,016 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:31,016 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:31,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-04 10:51:31,016 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:31,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:31,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2098623993, now seen corresponding path program 1 times [2025-03-04 10:51:31,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:31,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843681042] [2025-03-04 10:51:31,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:31,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 10:51:31,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:51:31,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:31,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843681042] [2025-03-04 10:51:31,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843681042] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:31,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:31,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:31,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400561399] [2025-03-04 10:51:31,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:31,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:31,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:31,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:31,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:31,082 INFO L87 Difference]: Start difference. First operand 229 states and 270 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:31,255 INFO L93 Difference]: Finished difference Result 230 states and 270 transitions. [2025-03-04 10:51:31,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:31,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-03-04 10:51:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:31,256 INFO L225 Difference]: With dead ends: 230 [2025-03-04 10:51:31,257 INFO L226 Difference]: Without dead ends: 229 [2025-03-04 10:51:31,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:51:31,257 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 151 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:31,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 164 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:31,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-03-04 10:51:31,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-03-04 10:51:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.4530386740331491) internal successors, (263), 224 states have internal predecessors, (263), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 269 transitions. [2025-03-04 10:51:31,262 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 269 transitions. Word has length 41 [2025-03-04 10:51:31,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:31,262 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 269 transitions. [2025-03-04 10:51:31,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 269 transitions. [2025-03-04 10:51:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 10:51:31,262 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:31,263 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:31,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-04 10:51:31,263 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:31,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:31,263 INFO L85 PathProgramCache]: Analyzing trace with hash -632834310, now seen corresponding path program 1 times [2025-03-04 10:51:31,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:31,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209054996] [2025-03-04 10:51:31,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:31,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 10:51:31,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 10:51:31,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:31,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209054996] [2025-03-04 10:51:31,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209054996] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:31,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:31,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125504600] [2025-03-04 10:51:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:31,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:31,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:31,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:31,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:31,308 INFO L87 Difference]: Start difference. First operand 229 states and 269 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:31,353 INFO L93 Difference]: Finished difference Result 271 states and 283 transitions. [2025-03-04 10:51:31,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:31,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2025-03-04 10:51:31,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:31,354 INFO L225 Difference]: With dead ends: 271 [2025-03-04 10:51:31,354 INFO L226 Difference]: Without dead ends: 269 [2025-03-04 10:51:31,355 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 [2025-03-04 10:51:31,355 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 62 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:31,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 307 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:31,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-03-04 10:51:31,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2025-03-04 10:51:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 189 states have (on average 1.4285714285714286) internal successors, (270), 232 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 276 transitions. [2025-03-04 10:51:31,364 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 276 transitions. Word has length 42 [2025-03-04 10:51:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:31,364 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 276 transitions. [2025-03-04 10:51:31,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 276 transitions. [2025-03-04 10:51:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-04 10:51:31,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:31,365 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:31,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-04 10:51:31,365 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:31,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:31,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1174869162, now seen corresponding path program 1 times [2025-03-04 10:51:31,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:31,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496539883] [2025-03-04 10:51:31,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:31,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:51:31,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:51:31,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:31,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496539883] [2025-03-04 10:51:31,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496539883] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:31,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767116382] [2025-03-04 10:51:31,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:31,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:31,437 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:31,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 10:51:31,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:51:31,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:51:31,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:31,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:31,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,524 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:31,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767116382] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:31,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:31,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-03-04 10:51:31,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374555872] [2025-03-04 10:51:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:31,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:31,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:31,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:31,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:31,526 INFO L87 Difference]: Start difference. First operand 237 states and 276 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:31,555 INFO L93 Difference]: Finished difference Result 237 states and 276 transitions. [2025-03-04 10:51:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:31,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-03-04 10:51:31,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:31,556 INFO L225 Difference]: With dead ends: 237 [2025-03-04 10:51:31,556 INFO L226 Difference]: Without dead ends: 236 [2025-03-04 10:51:31,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:31,556 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:31,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 336 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:31,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-03-04 10:51:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2025-03-04 10:51:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.417989417989418) internal successors, (268), 231 states have internal predecessors, (268), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 274 transitions. [2025-03-04 10:51:31,561 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 274 transitions. Word has length 44 [2025-03-04 10:51:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:31,562 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 274 transitions. [2025-03-04 10:51:31,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 274 transitions. [2025-03-04 10:51:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 10:51:31,562 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:31,562 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:31,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:31,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-04 10:51:31,762 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:31,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:31,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2061205744, now seen corresponding path program 1 times [2025-03-04 10:51:31,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:31,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906234911] [2025-03-04 10:51:31,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:31,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:51:31,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:51:31,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:31,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:31,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906234911] [2025-03-04 10:51:31,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906234911] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:31,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544489337] [2025-03-04 10:51:31,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:31,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:31,825 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:31,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-04 10:51:31,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:51:31,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:51:31,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:31,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:31,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544489337] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:31,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:31,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-03-04 10:51:31,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667528374] [2025-03-04 10:51:31,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:31,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:51:31,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:31,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:51:31,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:31,976 INFO L87 Difference]: Start difference. First operand 236 states and 274 transitions. Second operand has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:51:32,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:32,064 INFO L93 Difference]: Finished difference Result 651 states and 771 transitions. [2025-03-04 10:51:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:51:32,065 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2025-03-04 10:51:32,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:32,066 INFO L225 Difference]: With dead ends: 651 [2025-03-04 10:51:32,066 INFO L226 Difference]: Without dead ends: 588 [2025-03-04 10:51:32,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:51:32,067 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 266 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:32,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 946 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:32,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-04 10:51:32,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 414. [2025-03-04 10:51:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 360 states have (on average 1.4583333333333333) internal successors, (525), 402 states have internal predecessors, (525), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 539 transitions. [2025-03-04 10:51:32,079 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 539 transitions. Word has length 45 [2025-03-04 10:51:32,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:32,079 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 539 transitions. [2025-03-04 10:51:32,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:51:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 539 transitions. [2025-03-04 10:51:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-04 10:51:32,079 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:32,079 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:32,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:32,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:32,280 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:32,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:32,281 INFO L85 PathProgramCache]: Analyzing trace with hash 838799342, now seen corresponding path program 1 times [2025-03-04 10:51:32,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:32,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933898611] [2025-03-04 10:51:32,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:32,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 10:51:32,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 10:51:32,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:32,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1335872842] [2025-03-04 10:51:32,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:32,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:32,298 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:32,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-04 10:51:32,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 10:51:32,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 10:51:32,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:32,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:32,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:32,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:32,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933898611] [2025-03-04 10:51:32,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:32,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335872842] [2025-03-04 10:51:32,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335872842] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:32,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:32,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:32,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19539580] [2025-03-04 10:51:32,771 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:32,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:32,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:32,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:32,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:32,772 INFO L87 Difference]: Start difference. First operand 414 states and 539 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,367 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2025-03-04 10:51:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:33,367 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2025-03-04 10:51:33,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,369 INFO L225 Difference]: With dead ends: 414 [2025-03-04 10:51:33,369 INFO L226 Difference]: Without dead ends: 410 [2025-03-04 10:51:33,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:33,369 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 219 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 347 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:51:33,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-03-04 10:51:33,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2025-03-04 10:51:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 360 states have (on average 1.4027777777777777) internal successors, (505), 398 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 519 transitions. [2025-03-04 10:51:33,382 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 519 transitions. Word has length 47 [2025-03-04 10:51:33,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,382 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 519 transitions. [2025-03-04 10:51:33,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 519 transitions. [2025-03-04 10:51:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 10:51:33,383 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,383 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-04 10:51:33,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-04 10:51:33,584 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash 232975910, now seen corresponding path program 1 times [2025-03-04 10:51:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148424155] [2025-03-04 10:51:33,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:51:33,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:51:33,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:33,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883107660] [2025-03-04 10:51:33,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:33,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:33,595 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:33,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-04 10:51:33,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:51:33,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:51:33,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:33,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:34,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148424155] [2025-03-04 10:51:34,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:34,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883107660] [2025-03-04 10:51:34,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883107660] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:34,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:34,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:34,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390150781] [2025-03-04 10:51:34,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:34,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:34,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:34,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:34,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:34,140 INFO L87 Difference]: Start difference. First operand 410 states and 519 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:34,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:34,442 INFO L93 Difference]: Finished difference Result 410 states and 519 transitions. [2025-03-04 10:51:34,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:34,442 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2025-03-04 10:51:34,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:34,444 INFO L225 Difference]: With dead ends: 410 [2025-03-04 10:51:34,444 INFO L226 Difference]: Without dead ends: 408 [2025-03-04 10:51:34,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:34,444 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 253 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:34,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 331 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:51:34,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-03-04 10:51:34,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-03-04 10:51:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 360 states have (on average 1.3805555555555555) internal successors, (497), 396 states have internal predecessors, (497), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 511 transitions. [2025-03-04 10:51:34,461 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 511 transitions. Word has length 48 [2025-03-04 10:51:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:34,461 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 511 transitions. [2025-03-04 10:51:34,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 511 transitions. [2025-03-04 10:51:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-04 10:51:34,462 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:34,462 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] [2025-03-04 10:51:34,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:34,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-04 10:51:34,662 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:34,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:34,663 INFO L85 PathProgramCache]: Analyzing trace with hash -81734166, now seen corresponding path program 1 times [2025-03-04 10:51:34,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:34,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666453615] [2025-03-04 10:51:34,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:34,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:51:34,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:51:34,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:34,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513243463] [2025-03-04 10:51:34,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:34,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:34,679 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:34,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-04 10:51:34,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:51:34,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:51:34,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:34,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:51:34,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:34,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666453615] [2025-03-04 10:51:34,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:34,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513243463] [2025-03-04 10:51:34,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513243463] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:34,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:34,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:34,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17192015] [2025-03-04 10:51:34,933 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:34,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:34,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:34,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:34,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:34,934 INFO L87 Difference]: Start difference. First operand 408 states and 511 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:35,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:35,683 INFO L93 Difference]: Finished difference Result 500 states and 604 transitions. [2025-03-04 10:51:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 10:51:35,683 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2025-03-04 10:51:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:35,685 INFO L225 Difference]: With dead ends: 500 [2025-03-04 10:51:35,685 INFO L226 Difference]: Without dead ends: 498 [2025-03-04 10:51:35,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:35,686 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 762 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:35,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 338 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:51:35,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-03-04 10:51:35,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 418. [2025-03-04 10:51:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 370 states have (on average 1.364864864864865) internal successors, (505), 406 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 519 transitions. [2025-03-04 10:51:35,699 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 519 transitions. Word has length 51 [2025-03-04 10:51:35,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:35,699 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 519 transitions. [2025-03-04 10:51:35,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 519 transitions. [2025-03-04 10:51:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-04 10:51:35,700 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:35,700 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 10:51:35,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:35,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:35,900 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:35,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:35,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1761208226, now seen corresponding path program 1 times [2025-03-04 10:51:35,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:35,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340651584] [2025-03-04 10:51:35,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:35,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:35,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 10:51:35,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 10:51:35,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:35,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:35,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1643998677] [2025-03-04 10:51:35,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:35,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:35,911 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:35,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-04 10:51:35,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 10:51:35,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 10:51:35,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:35,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:35,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:51:35,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:36,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:36,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:36,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340651584] [2025-03-04 10:51:36,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:36,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643998677] [2025-03-04 10:51:36,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643998677] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:36,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:36,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:51:36,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488761216] [2025-03-04 10:51:36,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:36,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:51:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:36,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:51:36,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:36,495 INFO L87 Difference]: Start difference. First operand 418 states and 519 transitions. Second operand has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:37,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:37,649 INFO L93 Difference]: Finished difference Result 516 states and 634 transitions. [2025-03-04 10:51:37,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-04 10:51:37,649 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2025-03-04 10:51:37,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:37,651 INFO L225 Difference]: With dead ends: 516 [2025-03-04 10:51:37,651 INFO L226 Difference]: Without dead ends: 514 [2025-03-04 10:51:37,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:51:37,651 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 968 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:37,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 347 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:51:37,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2025-03-04 10:51:37,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 452. [2025-03-04 10:51:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 403 states have (on average 1.3672456575682381) internal successors, (551), 439 states have internal predecessors, (551), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:51:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 567 transitions. [2025-03-04 10:51:37,662 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 567 transitions. Word has length 52 [2025-03-04 10:51:37,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:37,662 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 567 transitions. [2025-03-04 10:51:37,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 567 transitions. [2025-03-04 10:51:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 10:51:37,663 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:37,663 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] [2025-03-04 10:51:37,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:37,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:37,864 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:37,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:37,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1975884055, now seen corresponding path program 1 times [2025-03-04 10:51:37,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:37,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980326773] [2025-03-04 10:51:37,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:37,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:37,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 10:51:37,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 10:51:37,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:37,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:37,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996909526] [2025-03-04 10:51:37,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:37,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:37,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:37,883 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:37,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-04 10:51:37,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 10:51:37,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 10:51:37,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:37,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:37,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:37,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:38,030 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:38,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:38,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980326773] [2025-03-04 10:51:38,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:38,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996909526] [2025-03-04 10:51:38,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996909526] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:38,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:38,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:51:38,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553661428] [2025-03-04 10:51:38,161 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:38,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:38,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:38,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:38,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:51:38,162 INFO L87 Difference]: Start difference. First operand 452 states and 567 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:38,426 INFO L93 Difference]: Finished difference Result 489 states and 601 transitions. [2025-03-04 10:51:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:38,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-03-04 10:51:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:38,428 INFO L225 Difference]: With dead ends: 489 [2025-03-04 10:51:38,429 INFO L226 Difference]: Without dead ends: 485 [2025-03-04 10:51:38,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:38,429 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 155 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:38,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 465 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-03-04 10:51:38,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 452. [2025-03-04 10:51:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 406 states have (on average 1.3448275862068966) internal successors, (546), 439 states have internal predecessors, (546), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:51:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 562 transitions. [2025-03-04 10:51:38,444 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 562 transitions. Word has length 53 [2025-03-04 10:51:38,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:38,445 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 562 transitions. [2025-03-04 10:51:38,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 562 transitions. [2025-03-04 10:51:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-04 10:51:38,446 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:38,446 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 10:51:38,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:38,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:38,646 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:38,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:38,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1122863481, now seen corresponding path program 1 times [2025-03-04 10:51:38,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:38,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957467072] [2025-03-04 10:51:38,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:38,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:38,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:51:38,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:51:38,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:38,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:38,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2020263277] [2025-03-04 10:51:38,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:38,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:38,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:38,661 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:38,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-04 10:51:38,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:51:38,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:51:38,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:38,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:38,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:38,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:38,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:39,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:39,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957467072] [2025-03-04 10:51:39,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:39,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020263277] [2025-03-04 10:51:39,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020263277] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:39,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:39,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-04 10:51:39,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117787064] [2025-03-04 10:51:39,089 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:39,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:51:39,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:39,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:51:39,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:39,089 INFO L87 Difference]: Start difference. First operand 452 states and 562 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:39,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:39,245 INFO L93 Difference]: Finished difference Result 601 states and 742 transitions. [2025-03-04 10:51:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:39,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-03-04 10:51:39,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:39,247 INFO L225 Difference]: With dead ends: 601 [2025-03-04 10:51:39,247 INFO L226 Difference]: Without dead ends: 599 [2025-03-04 10:51:39,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:39,248 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 302 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:39,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 316 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2025-03-04 10:51:39,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 537. [2025-03-04 10:51:39,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 489 states have (on average 1.3640081799591002) internal successors, (667), 522 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 687 transitions. [2025-03-04 10:51:39,262 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 687 transitions. Word has length 54 [2025-03-04 10:51:39,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:39,262 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 687 transitions. [2025-03-04 10:51:39,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 687 transitions. [2025-03-04 10:51:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-04 10:51:39,263 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:39,263 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:39,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:39,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-04 10:51:39,463 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:39,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash 833846246, now seen corresponding path program 1 times [2025-03-04 10:51:39,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:39,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081204727] [2025-03-04 10:51:39,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:39,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:39,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:39,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:39,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:39,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:39,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [814177830] [2025-03-04 10:51:39,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:39,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:39,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:39,473 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:39,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-04 10:51:39,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:39,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:39,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:39,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:39,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:39,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:39,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:39,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:39,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081204727] [2025-03-04 10:51:39,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:39,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814177830] [2025-03-04 10:51:39,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814177830] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:39,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:39,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-04 10:51:39,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235342851] [2025-03-04 10:51:39,603 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:39,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:39,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:39,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:39,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:39,604 INFO L87 Difference]: Start difference. First operand 537 states and 687 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:39,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:39,744 INFO L93 Difference]: Finished difference Result 597 states and 735 transitions. [2025-03-04 10:51:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:39,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-04 10:51:39,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:39,746 INFO L225 Difference]: With dead ends: 597 [2025-03-04 10:51:39,746 INFO L226 Difference]: Without dead ends: 595 [2025-03-04 10:51:39,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:39,747 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 251 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:39,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 250 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:39,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-03-04 10:51:39,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 538. [2025-03-04 10:51:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 490 states have (on average 1.3571428571428572) internal successors, (665), 523 states have internal predecessors, (665), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 685 transitions. [2025-03-04 10:51:39,761 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 685 transitions. Word has length 55 [2025-03-04 10:51:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:39,761 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 685 transitions. [2025-03-04 10:51:39,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 685 transitions. [2025-03-04 10:51:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-04 10:51:39,762 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:39,762 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:39,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:39,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-03-04 10:51:39,962 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:39,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:39,963 INFO L85 PathProgramCache]: Analyzing trace with hash 60671258, now seen corresponding path program 1 times [2025-03-04 10:51:39,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:39,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612439999] [2025-03-04 10:51:39,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:39,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:39,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:39,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:39,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:39,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:40,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:40,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612439999] [2025-03-04 10:51:40,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612439999] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:40,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:40,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179295614] [2025-03-04 10:51:40,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:40,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:40,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:40,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:40,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:40,011 INFO L87 Difference]: Start difference. First operand 538 states and 685 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:40,136 INFO L93 Difference]: Finished difference Result 543 states and 690 transitions. [2025-03-04 10:51:40,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:40,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-04 10:51:40,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:40,138 INFO L225 Difference]: With dead ends: 543 [2025-03-04 10:51:40,138 INFO L226 Difference]: Without dead ends: 542 [2025-03-04 10:51:40,139 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 [2025-03-04 10:51:40,139 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 47 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:40,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 122 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-03-04 10:51:40,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 541. [2025-03-04 10:51:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 493 states have (on average 1.354969574036511) internal successors, (668), 526 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 688 transitions. [2025-03-04 10:51:40,163 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 688 transitions. Word has length 55 [2025-03-04 10:51:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:40,163 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 688 transitions. [2025-03-04 10:51:40,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 688 transitions. [2025-03-04 10:51:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 10:51:40,164 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:40,164 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:40,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-04 10:51:40,164 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:40,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:40,165 INFO L85 PathProgramCache]: Analyzing trace with hash 79429918, now seen corresponding path program 1 times [2025-03-04 10:51:40,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:40,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371051219] [2025-03-04 10:51:40,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:40,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:40,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:40,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:40,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970626035] [2025-03-04 10:51:40,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:40,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:40,177 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:40,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-04 10:51:40,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:40,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:40,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:40,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:40,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:40,265 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:40,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:40,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:40,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371051219] [2025-03-04 10:51:40,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:40,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970626035] [2025-03-04 10:51:40,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970626035] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:40,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:40,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-04 10:51:40,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958394553] [2025-03-04 10:51:40,320 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:40,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:40,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:40,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:40,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:40,321 INFO L87 Difference]: Start difference. First operand 541 states and 688 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:40,458 INFO L93 Difference]: Finished difference Result 598 states and 734 transitions. [2025-03-04 10:51:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:40,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-03-04 10:51:40,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:40,460 INFO L225 Difference]: With dead ends: 598 [2025-03-04 10:51:40,460 INFO L226 Difference]: Without dead ends: 596 [2025-03-04 10:51:40,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:40,460 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 312 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:40,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 221 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2025-03-04 10:51:40,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 542. [2025-03-04 10:51:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 494 states have (on average 1.3481781376518218) internal successors, (666), 527 states have internal predecessors, (666), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 686 transitions. [2025-03-04 10:51:40,478 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 686 transitions. Word has length 56 [2025-03-04 10:51:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:40,478 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 686 transitions. [2025-03-04 10:51:40,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 686 transitions. [2025-03-04 10:51:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 10:51:40,479 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:40,480 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:40,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-04 10:51:40,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:40,680 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:40,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:40,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1880808972, now seen corresponding path program 1 times [2025-03-04 10:51:40,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:40,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847586765] [2025-03-04 10:51:40,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:40,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:40,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:40,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:40,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:40,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847586765] [2025-03-04 10:51:40,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847586765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:40,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:40,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:40,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609217854] [2025-03-04 10:51:40,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:40,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:40,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:40,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:40,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:40,733 INFO L87 Difference]: Start difference. First operand 542 states and 686 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:40,927 INFO L93 Difference]: Finished difference Result 544 states and 687 transitions. [2025-03-04 10:51:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:40,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-03-04 10:51:40,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:40,928 INFO L225 Difference]: With dead ends: 544 [2025-03-04 10:51:40,928 INFO L226 Difference]: Without dead ends: 521 [2025-03-04 10:51:40,929 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 [2025-03-04 10:51:40,929 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 44 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:40,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 125 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:40,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2025-03-04 10:51:40,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2025-03-04 10:51:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 473 states have (on average 1.3615221987315012) internal successors, (644), 506 states have internal predecessors, (644), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 664 transitions. [2025-03-04 10:51:40,941 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 664 transitions. Word has length 56 [2025-03-04 10:51:40,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:40,941 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 664 transitions. [2025-03-04 10:51:40,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 664 transitions. [2025-03-04 10:51:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-04 10:51:40,942 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:40,942 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:40,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-04 10:51:40,942 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:40,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:40,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1832639772, now seen corresponding path program 1 times [2025-03-04 10:51:40,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:40,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713083596] [2025-03-04 10:51:40,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:40,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:40,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:40,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:40,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1245178429] [2025-03-04 10:51:40,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:40,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:40,952 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:40,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-04 10:51:40,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:40,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:40,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:40,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:51:40,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:41,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:41,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:41,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713083596] [2025-03-04 10:51:41,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:41,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245178429] [2025-03-04 10:51:41,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245178429] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:41,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:41,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:51:41,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016296513] [2025-03-04 10:51:41,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:41,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:51:41,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:41,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:51:41,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:41,377 INFO L87 Difference]: Start difference. First operand 521 states and 664 transitions. Second operand has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:42,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:42,515 INFO L93 Difference]: Finished difference Result 586 states and 738 transitions. [2025-03-04 10:51:42,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:51:42,516 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-03-04 10:51:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:42,517 INFO L225 Difference]: With dead ends: 586 [2025-03-04 10:51:42,517 INFO L226 Difference]: Without dead ends: 582 [2025-03-04 10:51:42,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2025-03-04 10:51:42,518 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 696 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:42,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 316 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:51:42,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2025-03-04 10:51:42,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 547. [2025-03-04 10:51:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 499 states have (on average 1.3386773547094188) internal successors, (668), 532 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 688 transitions. [2025-03-04 10:51:42,530 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 688 transitions. Word has length 57 [2025-03-04 10:51:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:42,530 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 688 transitions. [2025-03-04 10:51:42,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 688 transitions. [2025-03-04 10:51:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-04 10:51:42,531 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:42,531 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] [2025-03-04 10:51:42,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-04 10:51:42,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:42,735 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:42,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:42,735 INFO L85 PathProgramCache]: Analyzing trace with hash -2020583835, now seen corresponding path program 1 times [2025-03-04 10:51:42,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:42,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997441163] [2025-03-04 10:51:42,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:42,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:42,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:42,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:42,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:42,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:42,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [318288370] [2025-03-04 10:51:42,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:42,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:42,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:42,749 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:42,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-04 10:51:42,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:42,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:42,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:42,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:42,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:51:42,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:42,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:43,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:43,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997441163] [2025-03-04 10:51:43,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:43,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318288370] [2025-03-04 10:51:43,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318288370] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:43,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:43,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:43,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361337861] [2025-03-04 10:51:43,003 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:43,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:43,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:43,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:43,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:43,004 INFO L87 Difference]: Start difference. First operand 547 states and 688 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:43,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:43,579 INFO L93 Difference]: Finished difference Result 716 states and 859 transitions. [2025-03-04 10:51:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:43,579 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-03-04 10:51:43,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:43,581 INFO L225 Difference]: With dead ends: 716 [2025-03-04 10:51:43,581 INFO L226 Difference]: Without dead ends: 715 [2025-03-04 10:51:43,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:43,581 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 859 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:43,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 413 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:51:43,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-03-04 10:51:43,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 601. [2025-03-04 10:51:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 552 states have (on average 1.335144927536232) internal successors, (737), 585 states have internal predecessors, (737), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 759 transitions. [2025-03-04 10:51:43,596 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 759 transitions. Word has length 57 [2025-03-04 10:51:43,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:43,596 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 759 transitions. [2025-03-04 10:51:43,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 759 transitions. [2025-03-04 10:51:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 10:51:43,597 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:43,597 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:43,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-04 10:51:43,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-04 10:51:43,798 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:43,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:43,798 INFO L85 PathProgramCache]: Analyzing trace with hash -977258020, now seen corresponding path program 1 times [2025-03-04 10:51:43,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:43,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048072793] [2025-03-04 10:51:43,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:43,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:43,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:43,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:43,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:43,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:43,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:43,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048072793] [2025-03-04 10:51:43,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048072793] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:43,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913222141] [2025-03-04 10:51:43,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:43,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:43,844 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:43,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-04 10:51:43,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:43,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:43,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:43,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:43,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:43,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:43,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:43,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913222141] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:43,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:43,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-04 10:51:43,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763734618] [2025-03-04 10:51:43,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:44,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:51:44,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:44,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:51:44,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:44,000 INFO L87 Difference]: Start difference. First operand 601 states and 759 transitions. Second operand has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:44,216 INFO L93 Difference]: Finished difference Result 620 states and 783 transitions. [2025-03-04 10:51:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:51:44,216 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2025-03-04 10:51:44,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:44,218 INFO L225 Difference]: With dead ends: 620 [2025-03-04 10:51:44,218 INFO L226 Difference]: Without dead ends: 618 [2025-03-04 10:51:44,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:44,218 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 181 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:44,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 321 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:44,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-04 10:51:44,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 599. [2025-03-04 10:51:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.3115942028985508) internal successors, (724), 583 states have internal predecessors, (724), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 746 transitions. [2025-03-04 10:51:44,233 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 746 transitions. Word has length 58 [2025-03-04 10:51:44,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:44,234 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 746 transitions. [2025-03-04 10:51:44,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 746 transitions. [2025-03-04 10:51:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 10:51:44,234 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:44,234 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] [2025-03-04 10:51:44,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-04 10:51:44,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-04 10:51:44,435 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:44,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:44,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1786410627, now seen corresponding path program 1 times [2025-03-04 10:51:44,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:44,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514555879] [2025-03-04 10:51:44,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:44,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:44,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:44,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:44,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:44,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:44,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361579926] [2025-03-04 10:51:44,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:44,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:44,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:44,445 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:44,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-04 10:51:44,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:44,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:44,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:44,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:44,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:51:44,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:44,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:44,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:44,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514555879] [2025-03-04 10:51:44,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:44,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361579926] [2025-03-04 10:51:44,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361579926] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:44,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:44,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:44,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516458736] [2025-03-04 10:51:44,730 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:44,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:44,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:44,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:44,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:44,731 INFO L87 Difference]: Start difference. First operand 599 states and 746 transitions. Second operand has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:45,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:45,205 INFO L93 Difference]: Finished difference Result 710 states and 838 transitions. [2025-03-04 10:51:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:45,205 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2025-03-04 10:51:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:45,207 INFO L225 Difference]: With dead ends: 710 [2025-03-04 10:51:45,207 INFO L226 Difference]: Without dead ends: 708 [2025-03-04 10:51:45,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:45,208 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 854 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:45,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 430 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:51:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2025-03-04 10:51:45,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 599. [2025-03-04 10:51:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.2971014492753623) internal successors, (716), 583 states have internal predecessors, (716), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 738 transitions. [2025-03-04 10:51:45,222 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 738 transitions. Word has length 58 [2025-03-04 10:51:45,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:45,222 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 738 transitions. [2025-03-04 10:51:45,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 738 transitions. [2025-03-04 10:51:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-04 10:51:45,223 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:45,223 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:45,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-04 10:51:45,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-03-04 10:51:45,424 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:45,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:45,424 INFO L85 PathProgramCache]: Analyzing trace with hash -455845341, now seen corresponding path program 1 times [2025-03-04 10:51:45,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:45,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148006725] [2025-03-04 10:51:45,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:45,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 10:51:45,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 10:51:45,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:45,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:45,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [462903706] [2025-03-04 10:51:45,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:45,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:45,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:45,436 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:45,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-04 10:51:45,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 10:51:45,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 10:51:45,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:45,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:45,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:45,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:45,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:45,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:45,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148006725] [2025-03-04 10:51:45,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:45,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462903706] [2025-03-04 10:51:45,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462903706] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:45,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:45,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:51:45,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479085833] [2025-03-04 10:51:45,986 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:45,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:51:45,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:45,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:51:45,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:51:45,987 INFO L87 Difference]: Start difference. First operand 599 states and 738 transitions. Second operand has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:47,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:47,423 INFO L93 Difference]: Finished difference Result 713 states and 879 transitions. [2025-03-04 10:51:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-04 10:51:47,424 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2025-03-04 10:51:47,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:47,426 INFO L225 Difference]: With dead ends: 713 [2025-03-04 10:51:47,426 INFO L226 Difference]: Without dead ends: 709 [2025-03-04 10:51:47,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=468, Invalid=2082, Unknown=0, NotChecked=0, Total=2550 [2025-03-04 10:51:47,427 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 791 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:47,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 519 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:51:47,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2025-03-04 10:51:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 601. [2025-03-04 10:51:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 554 states have (on average 1.2870036101083033) internal successors, (713), 585 states have internal predecessors, (713), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 735 transitions. [2025-03-04 10:51:47,442 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 735 transitions. Word has length 59 [2025-03-04 10:51:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:47,442 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 735 transitions. [2025-03-04 10:51:47,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 735 transitions. [2025-03-04 10:51:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-04 10:51:47,443 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:47,443 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:47,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:47,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:47,643 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:47,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:47,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1246303615, now seen corresponding path program 1 times [2025-03-04 10:51:47,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:47,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346586067] [2025-03-04 10:51:47,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:47,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:47,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:51:47,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:51:47,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:47,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:47,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962864379] [2025-03-04 10:51:47,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:47,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:47,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:47,652 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:47,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-04 10:51:47,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:51:47,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:51:47,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:47,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:47,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:51:47,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:47,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:47,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346586067] [2025-03-04 10:51:47,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962864379] [2025-03-04 10:51:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962864379] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:47,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-04 10:51:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767064166] [2025-03-04 10:51:47,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:47,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:51:47,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:47,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:51:47,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:47,890 INFO L87 Difference]: Start difference. First operand 601 states and 735 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:48,184 INFO L93 Difference]: Finished difference Result 662 states and 785 transitions. [2025-03-04 10:51:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:51:48,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2025-03-04 10:51:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:48,186 INFO L225 Difference]: With dead ends: 662 [2025-03-04 10:51:48,186 INFO L226 Difference]: Without dead ends: 661 [2025-03-04 10:51:48,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:48,187 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 428 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:48,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 438 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2025-03-04 10:51:48,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 601. [2025-03-04 10:51:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 554 states have (on average 1.279783393501805) internal successors, (709), 585 states have internal predecessors, (709), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 731 transitions. [2025-03-04 10:51:48,205 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 731 transitions. Word has length 60 [2025-03-04 10:51:48,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:48,205 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 731 transitions. [2025-03-04 10:51:48,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 731 transitions. [2025-03-04 10:51:48,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-04 10:51:48,206 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:48,206 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:48,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-04 10:51:48,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:48,406 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:48,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:48,406 INFO L85 PathProgramCache]: Analyzing trace with hash 355795800, now seen corresponding path program 1 times [2025-03-04 10:51:48,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165785397] [2025-03-04 10:51:48,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:48,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:48,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:51:48,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:51:48,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:48,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:48,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:48,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165785397] [2025-03-04 10:51:48,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165785397] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:48,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847283186] [2025-03-04 10:51:48,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:48,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:48,453 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:48,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-04 10:51:48,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:51:48,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:51:48,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:48,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:48,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:48,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:48,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:48,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847283186] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:48,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:48,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-04 10:51:48,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773901329] [2025-03-04 10:51:48,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:48,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:51:48,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:48,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:51:48,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:48,659 INFO L87 Difference]: Start difference. First operand 601 states and 731 transitions. Second operand has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:49,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:49,015 INFO L93 Difference]: Finished difference Result 805 states and 999 transitions. [2025-03-04 10:51:49,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:51:49,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2025-03-04 10:51:49,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:49,017 INFO L225 Difference]: With dead ends: 805 [2025-03-04 10:51:49,017 INFO L226 Difference]: Without dead ends: 803 [2025-03-04 10:51:49,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:49,018 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 220 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:49,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 343 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:51:49,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2025-03-04 10:51:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 776. [2025-03-04 10:51:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 726 states have (on average 1.303030303030303) internal successors, (946), 757 states have internal predecessors, (946), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 10:51:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 974 transitions. [2025-03-04 10:51:49,038 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 974 transitions. Word has length 62 [2025-03-04 10:51:49,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:49,038 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 974 transitions. [2025-03-04 10:51:49,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 974 transitions. [2025-03-04 10:51:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-04 10:51:49,039 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:49,039 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:49,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:49,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:49,239 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:49,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1855232034, now seen corresponding path program 1 times [2025-03-04 10:51:49,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:49,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449927632] [2025-03-04 10:51:49,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:49,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:49,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 10:51:49,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 10:51:49,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:49,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:49,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:49,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449927632] [2025-03-04 10:51:49,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449927632] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:49,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:49,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:49,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511937399] [2025-03-04 10:51:49,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:49,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:49,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:49,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:49,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:49,276 INFO L87 Difference]: Start difference. First operand 776 states and 974 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:49,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:49,499 INFO L93 Difference]: Finished difference Result 1068 states and 1371 transitions. [2025-03-04 10:51:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:51:49,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2025-03-04 10:51:49,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:49,502 INFO L225 Difference]: With dead ends: 1068 [2025-03-04 10:51:49,502 INFO L226 Difference]: Without dead ends: 1066 [2025-03-04 10:51:49,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:51:49,503 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 90 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:49,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 311 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:49,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2025-03-04 10:51:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 986. [2025-03-04 10:51:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 931 states have (on average 1.3329752953813103) internal successors, (1241), 962 states have internal predecessors, (1241), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1279 transitions. [2025-03-04 10:51:49,529 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1279 transitions. Word has length 63 [2025-03-04 10:51:49,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:49,529 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1279 transitions. [2025-03-04 10:51:49,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1279 transitions. [2025-03-04 10:51:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-04 10:51:49,529 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:49,529 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:49,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-03-04 10:51:49,529 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:49,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:49,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1677618154, now seen corresponding path program 1 times [2025-03-04 10:51:49,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:49,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016179794] [2025-03-04 10:51:49,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:49,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 10:51:49,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 10:51:49,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:49,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:49,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213367825] [2025-03-04 10:51:49,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:49,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:49,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:49,542 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:49,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-04 10:51:49,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 10:51:49,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 10:51:49,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:49,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:49,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:51:49,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:49,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 10:51:49,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:49,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016179794] [2025-03-04 10:51:49,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:49,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213367825] [2025-03-04 10:51:49,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213367825] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:49,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:49,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2025-03-04 10:51:49,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322872356] [2025-03-04 10:51:49,931 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:49,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:51:49,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:49,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:51:49,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:49,932 INFO L87 Difference]: Start difference. First operand 986 states and 1279 transitions. Second operand has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:51,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:51,281 INFO L93 Difference]: Finished difference Result 1027 states and 1328 transitions. [2025-03-04 10:51:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 10:51:51,282 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2025-03-04 10:51:51,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:51,284 INFO L225 Difference]: With dead ends: 1027 [2025-03-04 10:51:51,284 INFO L226 Difference]: Without dead ends: 1001 [2025-03-04 10:51:51,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:51,284 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 349 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:51,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 280 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 10:51:51,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2025-03-04 10:51:51,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 971. [2025-03-04 10:51:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 916 states have (on average 1.334061135371179) internal successors, (1222), 947 states have internal predecessors, (1222), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1260 transitions. [2025-03-04 10:51:51,309 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1260 transitions. Word has length 64 [2025-03-04 10:51:51,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:51,309 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1260 transitions. [2025-03-04 10:51:51,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1260 transitions. [2025-03-04 10:51:51,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-04 10:51:51,309 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:51,310 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:51,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:51,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-04 10:51:51,510 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:51,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:51,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1549396357, now seen corresponding path program 1 times [2025-03-04 10:51:51,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:51,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78496396] [2025-03-04 10:51:51,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:51,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:51,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 10:51:51,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:51:51,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:51,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:51,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1364734245] [2025-03-04 10:51:51,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:51,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:51,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:51,522 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:51,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-04 10:51:51,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 10:51:51,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:51:51,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:51,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:51,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:51,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:51,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:52,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78496396] [2025-03-04 10:51:52,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364734245] [2025-03-04 10:51:52,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364734245] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:52,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:52,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2025-03-04 10:51:52,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813188240] [2025-03-04 10:51:52,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:52,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-04 10:51:52,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:52,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-04 10:51:52,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:52,141 INFO L87 Difference]: Start difference. First operand 971 states and 1260 transitions. Second operand has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:54,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:54,290 INFO L93 Difference]: Finished difference Result 1119 states and 1453 transitions. [2025-03-04 10:51:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-04 10:51:54,290 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2025-03-04 10:51:54,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:54,293 INFO L225 Difference]: With dead ends: 1119 [2025-03-04 10:51:54,293 INFO L226 Difference]: Without dead ends: 1117 [2025-03-04 10:51:54,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=618, Invalid=2688, Unknown=0, NotChecked=0, Total=3306 [2025-03-04 10:51:54,295 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 604 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:54,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 668 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2389 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-04 10:51:54,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2025-03-04 10:51:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 974. [2025-03-04 10:51:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 919 states have (on average 1.3297062023939064) internal successors, (1222), 950 states have internal predecessors, (1222), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1260 transitions. [2025-03-04 10:51:54,332 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1260 transitions. Word has length 66 [2025-03-04 10:51:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:54,332 INFO L471 AbstractCegarLoop]: Abstraction has 974 states and 1260 transitions. [2025-03-04 10:51:54,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1260 transitions. [2025-03-04 10:51:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-04 10:51:54,332 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:54,332 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:54,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-04 10:51:54,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-04 10:51:54,533 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:54,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash -786646757, now seen corresponding path program 1 times [2025-03-04 10:51:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:54,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387252032] [2025-03-04 10:51:54,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:54,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:51:54,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:51:54,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:54,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:54,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058641844] [2025-03-04 10:51:54,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:54,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:54,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:54,545 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:54,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-04 10:51:54,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:51:54,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:51:54,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:54,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:54,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:54,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:54,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:55,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:55,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387252032] [2025-03-04 10:51:55,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:55,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058641844] [2025-03-04 10:51:55,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058641844] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:55,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:55,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2025-03-04 10:51:55,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609419006] [2025-03-04 10:51:55,167 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:55,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:51:55,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:55,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:51:55,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:55,168 INFO L87 Difference]: Start difference. First operand 974 states and 1260 transitions. Second operand has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:56,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:56,491 INFO L93 Difference]: Finished difference Result 1033 states and 1329 transitions. [2025-03-04 10:51:56,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:51:56,491 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2025-03-04 10:51:56,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:56,494 INFO L225 Difference]: With dead ends: 1033 [2025-03-04 10:51:56,494 INFO L226 Difference]: Without dead ends: 1029 [2025-03-04 10:51:56,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=373, Invalid=1519, Unknown=0, NotChecked=0, Total=1892 [2025-03-04 10:51:56,495 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 442 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:56,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 251 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:51:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2025-03-04 10:51:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 992. [2025-03-04 10:51:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 938 states have (on average 1.3208955223880596) internal successors, (1239), 968 states have internal predecessors, (1239), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1277 transitions. [2025-03-04 10:51:56,547 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1277 transitions. Word has length 67 [2025-03-04 10:51:56,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:56,547 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1277 transitions. [2025-03-04 10:51:56,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1277 transitions. [2025-03-04 10:51:56,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 10:51:56,548 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:56,548 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:56,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-03-04 10:51:56,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:56,749 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:56,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:56,749 INFO L85 PathProgramCache]: Analyzing trace with hash -391273442, now seen corresponding path program 1 times [2025-03-04 10:51:56,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:56,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623750223] [2025-03-04 10:51:56,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:56,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:56,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 10:51:56,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 10:51:56,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:56,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:56,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:56,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623750223] [2025-03-04 10:51:56,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623750223] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:56,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875925356] [2025-03-04 10:51:56,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:56,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:56,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:56,793 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:56,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-04 10:51:56,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 10:51:56,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 10:51:56,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:56,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:56,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:56,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:56,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:57,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875925356] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:57,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:57,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-04 10:51:57,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263173831] [2025-03-04 10:51:57,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:57,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:51:57,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:57,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:51:57,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:57,034 INFO L87 Difference]: Start difference. First operand 992 states and 1277 transitions. Second operand has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:57,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:57,291 INFO L93 Difference]: Finished difference Result 1337 states and 1725 transitions. [2025-03-04 10:51:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:51:57,291 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 74 [2025-03-04 10:51:57,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:57,294 INFO L225 Difference]: With dead ends: 1337 [2025-03-04 10:51:57,294 INFO L226 Difference]: Without dead ends: 1336 [2025-03-04 10:51:57,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:57,295 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 1013 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:57,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 297 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:57,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2025-03-04 10:51:57,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1197. [2025-03-04 10:51:57,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 1137 states have (on average 1.324538258575198) internal successors, (1506), 1167 states have internal predecessors, (1506), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-04 10:51:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1556 transitions. [2025-03-04 10:51:57,341 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1556 transitions. Word has length 74 [2025-03-04 10:51:57,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:57,342 INFO L471 AbstractCegarLoop]: Abstraction has 1197 states and 1556 transitions. [2025-03-04 10:51:57,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1556 transitions. [2025-03-04 10:51:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-04 10:51:57,342 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:57,342 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:57,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:57,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-04 10:51:57,543 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:57,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:57,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1474992472, now seen corresponding path program 1 times [2025-03-04 10:51:57,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:57,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920191638] [2025-03-04 10:51:57,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:57,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:57,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:51:57,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:51:57,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:57,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:57,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:57,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920191638] [2025-03-04 10:51:57,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920191638] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:57,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389106392] [2025-03-04 10:51:57,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:57,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:57,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:57,585 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:57,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-04 10:51:57,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:51:57,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:51:57,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:57,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:57,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:57,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:57,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:57,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389106392] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:57,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:57,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-04 10:51:57,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542064549] [2025-03-04 10:51:57,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:57,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:51:57,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:57,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:51:57,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:51:57,891 INFO L87 Difference]: Start difference. First operand 1197 states and 1556 transitions. Second operand has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:51:58,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:58,222 INFO L93 Difference]: Finished difference Result 1669 states and 2161 transitions. [2025-03-04 10:51:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:51:58,222 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 77 [2025-03-04 10:51:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:58,226 INFO L225 Difference]: With dead ends: 1669 [2025-03-04 10:51:58,226 INFO L226 Difference]: Without dead ends: 1668 [2025-03-04 10:51:58,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:51:58,226 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 487 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:58,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 446 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2025-03-04 10:51:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1455. [2025-03-04 10:51:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1455 states, 1387 states have (on average 1.3316510454217736) internal successors, (1847), 1417 states have internal predecessors, (1847), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-04 10:51:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 1913 transitions. [2025-03-04 10:51:58,283 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 1913 transitions. Word has length 77 [2025-03-04 10:51:58,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:58,283 INFO L471 AbstractCegarLoop]: Abstraction has 1455 states and 1913 transitions. [2025-03-04 10:51:58,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:51:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1913 transitions. [2025-03-04 10:51:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:51:58,284 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:58,284 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:58,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-03-04 10:51:58,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-04 10:51:58,485 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:58,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:58,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1547535403, now seen corresponding path program 1 times [2025-03-04 10:51:58,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:58,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630001697] [2025-03-04 10:51:58,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:58,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:58,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:51:58,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:51:58,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:58,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:58,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:58,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630001697] [2025-03-04 10:51:58,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630001697] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:58,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50577909] [2025-03-04 10:51:58,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:58,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:58,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:58,560 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:58,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-04 10:51:58,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:51:58,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:51:58,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:58,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:58,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:58,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:58,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:59,100 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50577909] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:59,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:59,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-03-04 10:51:59,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735881938] [2025-03-04 10:51:59,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:59,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:51:59,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:59,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:51:59,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:59,101 INFO L87 Difference]: Start difference. First operand 1455 states and 1913 transitions. Second operand has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:59,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:59,825 INFO L93 Difference]: Finished difference Result 1636 states and 2133 transitions. [2025-03-04 10:51:59,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:59,833 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 81 [2025-03-04 10:51:59,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:59,836 INFO L225 Difference]: With dead ends: 1636 [2025-03-04 10:51:59,836 INFO L226 Difference]: Without dead ends: 1635 [2025-03-04 10:51:59,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:51:59,837 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 706 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:59,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 868 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:51:59,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2025-03-04 10:51:59,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1494. [2025-03-04 10:51:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1424 states have (on average 1.3300561797752808) internal successors, (1894), 1454 states have internal predecessors, (1894), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:51:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1964 transitions. [2025-03-04 10:51:59,886 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1964 transitions. Word has length 81 [2025-03-04 10:51:59,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:59,886 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1964 transitions. [2025-03-04 10:51:59,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1964 transitions. [2025-03-04 10:51:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:51:59,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:59,886 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:59,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-03-04 10:52:00,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:00,087 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:00,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:00,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1752187702, now seen corresponding path program 1 times [2025-03-04 10:52:00,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:00,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607612638] [2025-03-04 10:52:00,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:00,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:00,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:00,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:00,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:00,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:00,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758723356] [2025-03-04 10:52:00,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:00,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:00,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:00,102 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:00,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-04 10:52:00,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:00,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:00,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:00,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:00,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 10:52:00,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:00,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:00,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:00,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607612638] [2025-03-04 10:52:00,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:00,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758723356] [2025-03-04 10:52:00,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758723356] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:00,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:00,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:52:00,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527519213] [2025-03-04 10:52:00,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:00,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:52:00,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:00,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:52:00,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:52:00,381 INFO L87 Difference]: Start difference. First operand 1494 states and 1964 transitions. Second operand has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:01,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:01,031 INFO L93 Difference]: Finished difference Result 1508 states and 1973 transitions. [2025-03-04 10:52:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:01,031 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2025-03-04 10:52:01,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:01,036 INFO L225 Difference]: With dead ends: 1508 [2025-03-04 10:52:01,036 INFO L226 Difference]: Without dead ends: 1505 [2025-03-04 10:52:01,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:52:01,037 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 186 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:01,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 742 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:01,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2025-03-04 10:52:01,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1496. [2025-03-04 10:52:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1426 states have (on average 1.3281907433380085) internal successors, (1894), 1456 states have internal predecessors, (1894), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:52:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1964 transitions. [2025-03-04 10:52:01,128 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1964 transitions. Word has length 81 [2025-03-04 10:52:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:01,129 INFO L471 AbstractCegarLoop]: Abstraction has 1496 states and 1964 transitions. [2025-03-04 10:52:01,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1964 transitions. [2025-03-04 10:52:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:52:01,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:01,130 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:01,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:01,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:01,334 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:01,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:01,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1122836813, now seen corresponding path program 1 times [2025-03-04 10:52:01,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:01,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258349871] [2025-03-04 10:52:01,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:01,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:01,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:01,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:01,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:01,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:01,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:01,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258349871] [2025-03-04 10:52:01,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258349871] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:01,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713536840] [2025-03-04 10:52:01,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:01,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:01,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:01,401 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:01,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-04 10:52:01,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:01,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:01,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:01,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:01,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:01,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:01,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:01,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713536840] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:01,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:01,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-04 10:52:01,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990481321] [2025-03-04 10:52:01,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:01,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:52:01,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:01,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:52:01,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:01,582 INFO L87 Difference]: Start difference. First operand 1496 states and 1964 transitions. Second operand has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:01,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:01,685 INFO L93 Difference]: Finished difference Result 2078 states and 2711 transitions. [2025-03-04 10:52:01,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:01,686 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 83 [2025-03-04 10:52:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:01,690 INFO L225 Difference]: With dead ends: 2078 [2025-03-04 10:52:01,690 INFO L226 Difference]: Without dead ends: 2077 [2025-03-04 10:52:01,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:01,690 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 374 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:01,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 503 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2025-03-04 10:52:01,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1838. [2025-03-04 10:52:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1759 states have (on average 1.3393973848777714) internal successors, (2356), 1789 states have internal predecessors, (2356), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2444 transitions. [2025-03-04 10:52:01,753 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2444 transitions. Word has length 83 [2025-03-04 10:52:01,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:01,753 INFO L471 AbstractCegarLoop]: Abstraction has 1838 states and 2444 transitions. [2025-03-04 10:52:01,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2444 transitions. [2025-03-04 10:52:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:52:01,754 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:01,754 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:01,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:01,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:01,955 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:01,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:01,955 INFO L85 PathProgramCache]: Analyzing trace with hash 225201652, now seen corresponding path program 1 times [2025-03-04 10:52:01,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:01,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450757382] [2025-03-04 10:52:01,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:01,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:01,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:01,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:01,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:01,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:01,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827741186] [2025-03-04 10:52:01,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:01,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:01,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:01,968 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:01,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-04 10:52:01,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:02,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:02,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:02,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:02,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:02,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:02,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:02,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:02,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450757382] [2025-03-04 10:52:02,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:02,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827741186] [2025-03-04 10:52:02,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827741186] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:02,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:02,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-04 10:52:02,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093346038] [2025-03-04 10:52:02,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:02,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:02,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:02,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:02,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:02,411 INFO L87 Difference]: Start difference. First operand 1838 states and 2444 transitions. Second operand has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:03,377 INFO L93 Difference]: Finished difference Result 1847 states and 2453 transitions. [2025-03-04 10:52:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 10:52:03,377 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 83 [2025-03-04 10:52:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:03,380 INFO L225 Difference]: With dead ends: 1847 [2025-03-04 10:52:03,380 INFO L226 Difference]: Without dead ends: 1846 [2025-03-04 10:52:03,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2025-03-04 10:52:03,381 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 460 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:03,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 470 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:52:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2025-03-04 10:52:03,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1842. [2025-03-04 10:52:03,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1763 states have (on average 1.339194554736245) internal successors, (2361), 1793 states have internal predecessors, (2361), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2449 transitions. [2025-03-04 10:52:03,440 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2449 transitions. Word has length 83 [2025-03-04 10:52:03,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:03,440 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2449 transitions. [2025-03-04 10:52:03,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2449 transitions. [2025-03-04 10:52:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-04 10:52:03,441 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:03,441 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:03,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:03,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-03-04 10:52:03,645 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:03,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:03,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1608683382, now seen corresponding path program 1 times [2025-03-04 10:52:03,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:03,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339355083] [2025-03-04 10:52:03,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:03,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:52:03,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:52:03,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:03,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:03,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498669254] [2025-03-04 10:52:03,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:03,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:03,661 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:03,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-04 10:52:03,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:52:03,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:52:03,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:03,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:03,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 10:52:03,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:04,028 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:04,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:04,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339355083] [2025-03-04 10:52:04,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:04,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498669254] [2025-03-04 10:52:04,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498669254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:04,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:04,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 10:52:04,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686723147] [2025-03-04 10:52:04,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:04,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:52:04,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:04,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:52:04,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:52:04,030 INFO L87 Difference]: Start difference. First operand 1842 states and 2449 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:04,703 INFO L93 Difference]: Finished difference Result 1933 states and 2564 transitions. [2025-03-04 10:52:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:52:04,704 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2025-03-04 10:52:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:04,706 INFO L225 Difference]: With dead ends: 1933 [2025-03-04 10:52:04,706 INFO L226 Difference]: Without dead ends: 1929 [2025-03-04 10:52:04,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:52:04,707 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 98 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:04,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 558 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:04,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2025-03-04 10:52:04,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1887. [2025-03-04 10:52:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1808 states have (on average 1.3373893805309736) internal successors, (2418), 1838 states have internal predecessors, (2418), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2506 transitions. [2025-03-04 10:52:04,767 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2506 transitions. Word has length 84 [2025-03-04 10:52:04,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:04,767 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2506 transitions. [2025-03-04 10:52:04,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2506 transitions. [2025-03-04 10:52:04,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 10:52:04,768 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:04,768 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:04,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-03-04 10:52:04,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2025-03-04 10:52:04,972 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:04,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:04,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1670422706, now seen corresponding path program 1 times [2025-03-04 10:52:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:04,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740630806] [2025-03-04 10:52:04,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:04,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:52:04,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:52:04,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:04,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:05,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:05,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740630806] [2025-03-04 10:52:05,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740630806] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:05,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52275645] [2025-03-04 10:52:05,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:05,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:05,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:05,023 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:05,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-04 10:52:05,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:52:05,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:52:05,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:05,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:05,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:52:05,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:05,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:05,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52275645] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:05,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:05,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-03-04 10:52:05,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101814246] [2025-03-04 10:52:05,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:05,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:52:05,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:05,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:52:05,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:52:05,217 INFO L87 Difference]: Start difference. First operand 1887 states and 2506 transitions. Second operand has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:05,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:05,435 INFO L93 Difference]: Finished difference Result 1889 states and 2507 transitions. [2025-03-04 10:52:05,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:52:05,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 85 [2025-03-04 10:52:05,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:05,439 INFO L225 Difference]: With dead ends: 1889 [2025-03-04 10:52:05,439 INFO L226 Difference]: Without dead ends: 1888 [2025-03-04 10:52:05,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 162 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:52:05,440 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 153 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:05,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 361 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:05,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2025-03-04 10:52:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1887. [2025-03-04 10:52:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1808 states have (on average 1.3368362831858407) internal successors, (2417), 1838 states have internal predecessors, (2417), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2505 transitions. [2025-03-04 10:52:05,509 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2505 transitions. Word has length 85 [2025-03-04 10:52:05,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:05,509 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2505 transitions. [2025-03-04 10:52:05,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2505 transitions. [2025-03-04 10:52:05,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 10:52:05,510 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:05,510 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:05,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-03-04 10:52:05,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2025-03-04 10:52:05,711 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:05,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:05,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2114148629, now seen corresponding path program 1 times [2025-03-04 10:52:05,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:05,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692116758] [2025-03-04 10:52:05,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:05,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:05,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:05,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:05,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:05,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:05,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692116758] [2025-03-04 10:52:05,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692116758] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:05,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430486435] [2025-03-04 10:52:05,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:05,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:05,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:05,779 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:05,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-04 10:52:05,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:05,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:05,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:05,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:05,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:52:05,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:52:05,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:05,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430486435] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:05,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:05,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 15 [2025-03-04 10:52:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973516806] [2025-03-04 10:52:05,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:05,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-04 10:52:05,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:05,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-04 10:52:05,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:52:05,993 INFO L87 Difference]: Start difference. First operand 1887 states and 2505 transitions. Second operand has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-04 10:52:06,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:06,169 INFO L93 Difference]: Finished difference Result 2459 states and 3227 transitions. [2025-03-04 10:52:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 10:52:06,170 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 87 [2025-03-04 10:52:06,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:06,173 INFO L225 Difference]: With dead ends: 2459 [2025-03-04 10:52:06,173 INFO L226 Difference]: Without dead ends: 2273 [2025-03-04 10:52:06,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 166 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:06,174 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 224 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:06,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 979 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:06,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2025-03-04 10:52:06,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2059. [2025-03-04 10:52:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1976 states have (on average 1.3147773279352226) internal successors, (2598), 2006 states have internal predecessors, (2598), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-04 10:52:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2692 transitions. [2025-03-04 10:52:06,271 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2692 transitions. Word has length 87 [2025-03-04 10:52:06,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:06,271 INFO L471 AbstractCegarLoop]: Abstraction has 2059 states and 2692 transitions. [2025-03-04 10:52:06,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-04 10:52:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2692 transitions. [2025-03-04 10:52:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-04 10:52:06,271 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:06,271 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:06,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-03-04 10:52:06,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-04 10:52:06,472 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:06,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:06,472 INFO L85 PathProgramCache]: Analyzing trace with hash -200663506, now seen corresponding path program 1 times [2025-03-04 10:52:06,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:06,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050690943] [2025-03-04 10:52:06,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:06,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:06,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:52:06,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:52:06,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:06,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:06,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:06,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050690943] [2025-03-04 10:52:06,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050690943] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:06,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723710976] [2025-03-04 10:52:06,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:06,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:06,518 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:06,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-04 10:52:06,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:52:06,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:52:06,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:06,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:06,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:06,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:06,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:06,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723710976] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:06,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:06,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 6 [2025-03-04 10:52:06,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800912485] [2025-03-04 10:52:06,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:06,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:06,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:06,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:06,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:06,776 INFO L87 Difference]: Start difference. First operand 2059 states and 2692 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:07,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:07,036 INFO L93 Difference]: Finished difference Result 2088 states and 2708 transitions. [2025-03-04 10:52:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:52:07,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 89 [2025-03-04 10:52:07,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:07,041 INFO L225 Difference]: With dead ends: 2088 [2025-03-04 10:52:07,041 INFO L226 Difference]: Without dead ends: 2086 [2025-03-04 10:52:07,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:52:07,042 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 130 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:07,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 175 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2025-03-04 10:52:07,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2059. [2025-03-04 10:52:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1976 states have (on average 1.3046558704453441) internal successors, (2578), 2006 states have internal predecessors, (2578), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-04 10:52:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2672 transitions. [2025-03-04 10:52:07,132 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2672 transitions. Word has length 89 [2025-03-04 10:52:07,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:07,132 INFO L471 AbstractCegarLoop]: Abstraction has 2059 states and 2672 transitions. [2025-03-04 10:52:07,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2672 transitions. [2025-03-04 10:52:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:52:07,133 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:07,133 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:07,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-03-04 10:52:07,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:07,333 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:07,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1052993812, now seen corresponding path program 1 times [2025-03-04 10:52:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:07,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581352939] [2025-03-04 10:52:07,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:07,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:07,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:07,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:07,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:07,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289039373] [2025-03-04 10:52:07,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:07,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:07,345 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:07,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-04 10:52:07,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:07,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:07,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:07,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:07,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:52:07,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:07,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:07,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581352939] [2025-03-04 10:52:07,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289039373] [2025-03-04 10:52:07,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289039373] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:07,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:07,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:52:07,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459372492] [2025-03-04 10:52:07,763 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:07,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:52:07,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:07,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:52:07,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:52:07,763 INFO L87 Difference]: Start difference. First operand 2059 states and 2672 transitions. Second operand has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:08,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:08,954 INFO L93 Difference]: Finished difference Result 2560 states and 3318 transitions. [2025-03-04 10:52:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-04 10:52:08,955 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 92 [2025-03-04 10:52:08,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:08,958 INFO L225 Difference]: With dead ends: 2560 [2025-03-04 10:52:08,958 INFO L226 Difference]: Without dead ends: 2558 [2025-03-04 10:52:08,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:52:08,959 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 779 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:08,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 534 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:52:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2025-03-04 10:52:09,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2209. [2025-03-04 10:52:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2209 states, 2122 states have (on average 1.2973609802073516) internal successors, (2753), 2152 states have internal predecessors, (2753), 51 states have call successors, (51), 5 states have call predecessors, (51), 5 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:52:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 2855 transitions. [2025-03-04 10:52:09,037 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 2855 transitions. Word has length 92 [2025-03-04 10:52:09,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:09,037 INFO L471 AbstractCegarLoop]: Abstraction has 2209 states and 2855 transitions. [2025-03-04 10:52:09,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2855 transitions. [2025-03-04 10:52:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:52:09,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:09,038 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:09,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-03-04 10:52:09,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-03-04 10:52:09,239 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:09,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:09,239 INFO L85 PathProgramCache]: Analyzing trace with hash 627954818, now seen corresponding path program 1 times [2025-03-04 10:52:09,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:09,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937974411] [2025-03-04 10:52:09,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:09,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:09,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:09,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:09,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:09,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:09,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:09,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937974411] [2025-03-04 10:52:09,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937974411] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:09,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286063632] [2025-03-04 10:52:09,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:09,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:09,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:09,350 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:09,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-04 10:52:09,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:09,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:09,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:09,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:09,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:09,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:09,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:09,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286063632] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:09,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:09,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-04 10:52:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778650615] [2025-03-04 10:52:09,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:09,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:52:09,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:09,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:52:09,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:09,785 INFO L87 Difference]: Start difference. First operand 2209 states and 2855 transitions. Second operand has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:10,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:10,357 INFO L93 Difference]: Finished difference Result 2235 states and 2885 transitions. [2025-03-04 10:52:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-04 10:52:10,357 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 92 [2025-03-04 10:52:10,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:10,360 INFO L225 Difference]: With dead ends: 2235 [2025-03-04 10:52:10,360 INFO L226 Difference]: Without dead ends: 2234 [2025-03-04 10:52:10,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:10,360 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 251 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:10,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 756 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:10,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2025-03-04 10:52:10,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2218. [2025-03-04 10:52:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2218 states, 2131 states have (on average 1.2970436414828719) internal successors, (2764), 2161 states have internal predecessors, (2764), 51 states have call successors, (51), 5 states have call predecessors, (51), 5 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-04 10:52:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 2866 transitions. [2025-03-04 10:52:10,433 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 2866 transitions. Word has length 92 [2025-03-04 10:52:10,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:10,433 INFO L471 AbstractCegarLoop]: Abstraction has 2218 states and 2866 transitions. [2025-03-04 10:52:10,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2866 transitions. [2025-03-04 10:52:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:52:10,434 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:10,434 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:10,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:10,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-03-04 10:52:10,635 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:10,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:10,635 INFO L85 PathProgramCache]: Analyzing trace with hash -365390028, now seen corresponding path program 1 times [2025-03-04 10:52:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296086792] [2025-03-04 10:52:10,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:10,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:52:10,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:52:10,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:10,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:10,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046900694] [2025-03-04 10:52:10,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:10,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:10,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:10,646 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:10,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-04 10:52:10,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:52:10,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:52:10,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:10,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:10,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:10,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:10,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:11,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:11,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296086792] [2025-03-04 10:52:11,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:11,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046900694] [2025-03-04 10:52:11,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046900694] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:11,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:11,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:11,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029632363] [2025-03-04 10:52:11,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:11,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:11,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:11,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:11,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:11,281 INFO L87 Difference]: Start difference. First operand 2218 states and 2866 transitions. Second operand has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:13,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:13,594 INFO L93 Difference]: Finished difference Result 2909 states and 3777 transitions. [2025-03-04 10:52:13,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-03-04 10:52:13,594 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-03-04 10:52:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:13,598 INFO L225 Difference]: With dead ends: 2909 [2025-03-04 10:52:13,598 INFO L226 Difference]: Without dead ends: 2905 [2025-03-04 10:52:13,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=838, Invalid=4132, Unknown=0, NotChecked=0, Total=4970 [2025-03-04 10:52:13,599 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 543 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 2652 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:13,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 1313 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2652 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-04 10:52:13,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2905 states. [2025-03-04 10:52:13,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2905 to 2678. [2025-03-04 10:52:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2678 states, 2579 states have (on average 1.3043815432338115) internal successors, (3364), 2609 states have internal predecessors, (3364), 63 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-03-04 10:52:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2678 states and 3490 transitions. [2025-03-04 10:52:13,707 INFO L78 Accepts]: Start accepts. Automaton has 2678 states and 3490 transitions. Word has length 95 [2025-03-04 10:52:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:13,707 INFO L471 AbstractCegarLoop]: Abstraction has 2678 states and 3490 transitions. [2025-03-04 10:52:13,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 3490 transitions. [2025-03-04 10:52:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 10:52:13,708 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:13,708 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:13,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-03-04 10:52:13,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2025-03-04 10:52:13,908 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:13,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:13,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1501714046, now seen corresponding path program 1 times [2025-03-04 10:52:13,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:13,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349322424] [2025-03-04 10:52:13,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:13,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:13,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:52:13,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:52:13,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:13,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:13,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668452367] [2025-03-04 10:52:13,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:13,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:13,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:13,936 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:13,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-04 10:52:13,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:52:13,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:52:13,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:13,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:13,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:52:13,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:14,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:14,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:14,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349322424] [2025-03-04 10:52:14,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:14,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668452367] [2025-03-04 10:52:14,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668452367] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:14,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:14,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-03-04 10:52:14,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361530452] [2025-03-04 10:52:14,713 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:14,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-04 10:52:14,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:14,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-04 10:52:14,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:52:14,714 INFO L87 Difference]: Start difference. First operand 2678 states and 3490 transitions. Second operand has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:16,054 INFO L93 Difference]: Finished difference Result 2698 states and 3511 transitions. [2025-03-04 10:52:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:16,054 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2025-03-04 10:52:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:16,058 INFO L225 Difference]: With dead ends: 2698 [2025-03-04 10:52:16,058 INFO L226 Difference]: Without dead ends: 2674 [2025-03-04 10:52:16,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=1158, Unknown=0, NotChecked=0, Total=1406 [2025-03-04 10:52:16,059 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 283 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 2045 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:16,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 757 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2045 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:52:16,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2025-03-04 10:52:16,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2671. [2025-03-04 10:52:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2671 states, 2572 states have (on average 1.3063763608087091) internal successors, (3360), 2602 states have internal predecessors, (3360), 63 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-03-04 10:52:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3486 transitions. [2025-03-04 10:52:16,159 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3486 transitions. Word has length 96 [2025-03-04 10:52:16,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:16,159 INFO L471 AbstractCegarLoop]: Abstraction has 2671 states and 3486 transitions. [2025-03-04 10:52:16,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3486 transitions. [2025-03-04 10:52:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:16,160 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:16,160 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:16,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:16,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:16,365 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:16,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:16,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1177070159, now seen corresponding path program 1 times [2025-03-04 10:52:16,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:16,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095314080] [2025-03-04 10:52:16,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:16,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:16,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:16,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:16,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:16,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:16,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593638568] [2025-03-04 10:52:16,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:16,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:16,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:16,376 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:16,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-04 10:52:16,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:16,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:16,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:16,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:16,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:16,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:16,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:17,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:17,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095314080] [2025-03-04 10:52:17,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:17,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593638568] [2025-03-04 10:52:17,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593638568] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:17,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:17,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-04 10:52:17,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517369818] [2025-03-04 10:52:17,073 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:17,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:17,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:17,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:17,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:17,073 INFO L87 Difference]: Start difference. First operand 2671 states and 3486 transitions. Second operand has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:19,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:19,355 INFO L93 Difference]: Finished difference Result 2738 states and 3560 transitions. [2025-03-04 10:52:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-04 10:52:19,356 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:19,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:19,358 INFO L225 Difference]: With dead ends: 2738 [2025-03-04 10:52:19,358 INFO L226 Difference]: Without dead ends: 2735 [2025-03-04 10:52:19,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2025-03-04 10:52:19,359 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 840 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:19,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 463 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-04 10:52:19,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2025-03-04 10:52:19,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2681. [2025-03-04 10:52:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2681 states, 2582 states have (on average 1.3040278853601859) internal successors, (3367), 2612 states have internal predecessors, (3367), 63 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-03-04 10:52:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3493 transitions. [2025-03-04 10:52:19,452 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3493 transitions. Word has length 97 [2025-03-04 10:52:19,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:19,452 INFO L471 AbstractCegarLoop]: Abstraction has 2681 states and 3493 transitions. [2025-03-04 10:52:19,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3493 transitions. [2025-03-04 10:52:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:19,453 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:19,453 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:19,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:19,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:19,654 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:19,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:19,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1047503538, now seen corresponding path program 1 times [2025-03-04 10:52:19,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:19,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361944719] [2025-03-04 10:52:19,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:19,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:19,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:19,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:19,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:19,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:19,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25551700] [2025-03-04 10:52:19,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:19,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:19,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:19,668 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:19,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-04 10:52:19,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:19,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:19,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:19,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:19,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:52:19,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:19,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:20,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:20,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361944719] [2025-03-04 10:52:20,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:20,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25551700] [2025-03-04 10:52:20,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25551700] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:20,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:20,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:20,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330272035] [2025-03-04 10:52:20,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:20,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:20,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:20,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:20,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:20,253 INFO L87 Difference]: Start difference. First operand 2681 states and 3493 transitions. Second operand has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:23,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:23,003 INFO L93 Difference]: Finished difference Result 2959 states and 3831 transitions. [2025-03-04 10:52:23,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-03-04 10:52:23,004 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:23,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:23,006 INFO L225 Difference]: With dead ends: 2959 [2025-03-04 10:52:23,006 INFO L226 Difference]: Without dead ends: 2957 [2025-03-04 10:52:23,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=500, Invalid=3160, Unknown=0, NotChecked=0, Total=3660 [2025-03-04 10:52:23,008 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 522 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 2564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:23,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 1146 Invalid, 2564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-04 10:52:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2025-03-04 10:52:23,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2776. [2025-03-04 10:52:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2675 states have (on average 1.303551401869159) internal successors, (3487), 2705 states have internal predecessors, (3487), 65 states have call successors, (65), 5 states have call predecessors, (65), 5 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-03-04 10:52:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3617 transitions. [2025-03-04 10:52:23,128 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3617 transitions. Word has length 97 [2025-03-04 10:52:23,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:23,128 INFO L471 AbstractCegarLoop]: Abstraction has 2776 states and 3617 transitions. [2025-03-04 10:52:23,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3617 transitions. [2025-03-04 10:52:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:23,129 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:23,129 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:23,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2025-03-04 10:52:23,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:23,329 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:23,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:23,330 INFO L85 PathProgramCache]: Analyzing trace with hash -699680590, now seen corresponding path program 2 times [2025-03-04 10:52:23,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:23,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635733907] [2025-03-04 10:52:23,330 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:23,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:23,335 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-04 10:52:23,340 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:23,340 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:23,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:23,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536395276] [2025-03-04 10:52:23,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:23,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:23,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:23,344 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:23,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-04 10:52:23,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-04 10:52:23,381 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:23,382 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:23,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:23,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:52:23,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:23,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:23,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:23,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635733907] [2025-03-04 10:52:23,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:23,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536395276] [2025-03-04 10:52:23,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536395276] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:23,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:23,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:23,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092850996] [2025-03-04 10:52:23,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:23,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:23,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:23,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:23,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:23,999 INFO L87 Difference]: Start difference. First operand 2776 states and 3617 transitions. Second operand has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:25,766 INFO L93 Difference]: Finished difference Result 3114 states and 4040 transitions. [2025-03-04 10:52:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-04 10:52:25,766 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:25,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:25,768 INFO L225 Difference]: With dead ends: 3114 [2025-03-04 10:52:25,768 INFO L226 Difference]: Without dead ends: 3112 [2025-03-04 10:52:25,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=463, Invalid=2087, Unknown=0, NotChecked=0, Total=2550 [2025-03-04 10:52:25,769 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 576 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 1580 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:25,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 727 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1580 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:52:25,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2025-03-04 10:52:25,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 2891. [2025-03-04 10:52:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2891 states, 2784 states have (on average 1.3056752873563218) internal successors, (3635), 2814 states have internal predecessors, (3635), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 3777 transitions. [2025-03-04 10:52:25,871 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 3777 transitions. Word has length 97 [2025-03-04 10:52:25,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:25,871 INFO L471 AbstractCegarLoop]: Abstraction has 2891 states and 3777 transitions. [2025-03-04 10:52:25,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3777 transitions. [2025-03-04 10:52:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 10:52:25,872 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:25,872 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:25,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:26,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2025-03-04 10:52:26,072 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:26,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:26,073 INFO L85 PathProgramCache]: Analyzing trace with hash 887675379, now seen corresponding path program 2 times [2025-03-04 10:52:26,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:26,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090126710] [2025-03-04 10:52:26,073 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:26,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:26,076 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-03-04 10:52:26,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 10:52:26,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:26,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:26,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279433095] [2025-03-04 10:52:26,086 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:26,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:26,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:26,088 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:26,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-04 10:52:26,107 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-03-04 10:52:26,126 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 10:52:26,127 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:26,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:52:26,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:26,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:26,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:26,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090126710] [2025-03-04 10:52:26,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:26,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279433095] [2025-03-04 10:52:26,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279433095] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:26,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:26,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 10:52:26,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589206104] [2025-03-04 10:52:26,508 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:26,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:52:26,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:26,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:52:26,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:26,508 INFO L87 Difference]: Start difference. First operand 2891 states and 3777 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:27,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:27,170 INFO L93 Difference]: Finished difference Result 3094 states and 4023 transitions. [2025-03-04 10:52:27,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:27,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 100 [2025-03-04 10:52:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:27,173 INFO L225 Difference]: With dead ends: 3094 [2025-03-04 10:52:27,173 INFO L226 Difference]: Without dead ends: 3092 [2025-03-04 10:52:27,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2025-03-04 10:52:27,174 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 352 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:27,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1015 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:27,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2025-03-04 10:52:27,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 2924. [2025-03-04 10:52:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2817 states have (on average 1.3010294639687612) internal successors, (3665), 2847 states have internal predecessors, (3665), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 3807 transitions. [2025-03-04 10:52:27,285 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 3807 transitions. Word has length 100 [2025-03-04 10:52:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:27,285 INFO L471 AbstractCegarLoop]: Abstraction has 2924 states and 3807 transitions. [2025-03-04 10:52:27,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3807 transitions. [2025-03-04 10:52:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 10:52:27,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:27,286 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:27,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2025-03-04 10:52:27,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2025-03-04 10:52:27,487 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:27,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:27,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1673068974, now seen corresponding path program 1 times [2025-03-04 10:52:27,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:27,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871244011] [2025-03-04 10:52:27,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:27,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:52:27,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:52:27,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:27,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:27,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871244011] [2025-03-04 10:52:27,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871244011] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:27,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963871855] [2025-03-04 10:52:27,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:27,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:27,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:27,536 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:27,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-04 10:52:27,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:52:27,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:52:27,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:27,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:27,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:27,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:27,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:27,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963871855] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:27,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:27,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-04 10:52:27,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072585643] [2025-03-04 10:52:27,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:27,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:52:27,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:27,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:52:27,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:52:27,746 INFO L87 Difference]: Start difference. First operand 2924 states and 3807 transitions. Second operand has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:28,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:28,340 INFO L93 Difference]: Finished difference Result 3389 states and 4366 transitions. [2025-03-04 10:52:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:52:28,341 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 101 [2025-03-04 10:52:28,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:28,344 INFO L225 Difference]: With dead ends: 3389 [2025-03-04 10:52:28,344 INFO L226 Difference]: Without dead ends: 3387 [2025-03-04 10:52:28,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:52:28,344 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 279 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:28,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 846 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:28,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2025-03-04 10:52:28,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 2924. [2025-03-04 10:52:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2817 states have (on average 1.2871849485268017) internal successors, (3626), 2847 states have internal predecessors, (3626), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 3768 transitions. [2025-03-04 10:52:28,454 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 3768 transitions. Word has length 101 [2025-03-04 10:52:28,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:28,454 INFO L471 AbstractCegarLoop]: Abstraction has 2924 states and 3768 transitions. [2025-03-04 10:52:28,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3768 transitions. [2025-03-04 10:52:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-04 10:52:28,455 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:28,455 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-04 10:52:28,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:28,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2025-03-04 10:52:28,655 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:28,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:28,655 INFO L85 PathProgramCache]: Analyzing trace with hash -697610104, now seen corresponding path program 1 times [2025-03-04 10:52:28,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:28,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470913269] [2025-03-04 10:52:28,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:28,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 10:52:28,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 10:52:28,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:28,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447834107] [2025-03-04 10:52:28,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:28,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:28,666 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:28,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-04 10:52:28,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 10:52:28,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 10:52:28,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:28,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-04 10:52:28,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:29,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:29,290 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-03-04 10:52:29,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:29,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470913269] [2025-03-04 10:52:29,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:29,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447834107] [2025-03-04 10:52:29,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447834107] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:29,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:29,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2025-03-04 10:52:29,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369970718] [2025-03-04 10:52:29,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:29,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:29,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:29,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:29,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:29,291 INFO L87 Difference]: Start difference. First operand 2924 states and 3768 transitions. Second operand has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:30,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:30,592 INFO L93 Difference]: Finished difference Result 2975 states and 3829 transitions. [2025-03-04 10:52:30,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-04 10:52:30,592 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 104 [2025-03-04 10:52:30,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:30,595 INFO L225 Difference]: With dead ends: 2975 [2025-03-04 10:52:30,595 INFO L226 Difference]: Without dead ends: 2973 [2025-03-04 10:52:30,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2025-03-04 10:52:30,596 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 327 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:30,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 281 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:52:30,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2973 states. [2025-03-04 10:52:30,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2973 to 2925. [2025-03-04 10:52:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2819 states have (on average 1.2642781128059595) internal successors, (3564), 2848 states have internal predecessors, (3564), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:30,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 3706 transitions. [2025-03-04 10:52:30,710 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 3706 transitions. Word has length 104 [2025-03-04 10:52:30,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:30,710 INFO L471 AbstractCegarLoop]: Abstraction has 2925 states and 3706 transitions. [2025-03-04 10:52:30,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3706 transitions. [2025-03-04 10:52:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-04 10:52:30,710 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:30,711 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:30,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2025-03-04 10:52:30,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2025-03-04 10:52:30,911 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:30,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:30,911 INFO L85 PathProgramCache]: Analyzing trace with hash 2084248993, now seen corresponding path program 1 times [2025-03-04 10:52:30,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:30,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193976143] [2025-03-04 10:52:30,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:30,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:30,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 10:52:30,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 10:52:30,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:30,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:31,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:31,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193976143] [2025-03-04 10:52:31,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193976143] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:31,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218382609] [2025-03-04 10:52:31,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:31,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:31,094 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:31,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-04 10:52:31,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 10:52:31,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 10:52:31,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:31,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:31,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:52:31,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:31,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:31,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218382609] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:31,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:31,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2025-03-04 10:52:31,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716422620] [2025-03-04 10:52:31,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:31,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-04 10:52:31,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:31,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-04 10:52:31,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:31,751 INFO L87 Difference]: Start difference. First operand 2925 states and 3706 transitions. Second operand has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,782 INFO L93 Difference]: Finished difference Result 2960 states and 3738 transitions. [2025-03-04 10:52:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 10:52:32,782 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Word has length 112 [2025-03-04 10:52:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,785 INFO L225 Difference]: With dead ends: 2960 [2025-03-04 10:52:32,785 INFO L226 Difference]: Without dead ends: 2909 [2025-03-04 10:52:32,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=268, Invalid=1712, Unknown=0, NotChecked=0, Total=1980 [2025-03-04 10:52:32,786 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 116 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 1050 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1597 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2025-03-04 10:52:32,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2907. [2025-03-04 10:52:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2801 states have (on average 1.2638343448768297) internal successors, (3540), 2830 states have internal predecessors, (3540), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 3682 transitions. [2025-03-04 10:52:32,916 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 3682 transitions. Word has length 112 [2025-03-04 10:52:32,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:32,916 INFO L471 AbstractCegarLoop]: Abstraction has 2907 states and 3682 transitions. [2025-03-04 10:52:32,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3682 transitions. [2025-03-04 10:52:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-04 10:52:32,917 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:32,917 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:32,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:33,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2025-03-04 10:52:33,118 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:33,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:33,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2112968708, now seen corresponding path program 1 times [2025-03-04 10:52:33,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:33,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637283907] [2025-03-04 10:52:33,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:33,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:52:33,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:52:33,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:33,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621614902] [2025-03-04 10:52:33,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:33,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:33,130 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:33,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2025-03-04 10:52:33,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:52:33,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:52:33,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:33,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-04 10:52:33,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 3 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 10:52:33,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:34,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:34,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637283907] [2025-03-04 10:52:34,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:34,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621614902] [2025-03-04 10:52:34,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621614902] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:34,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:34,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-03-04 10:52:34,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103182786] [2025-03-04 10:52:34,714 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:34,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:34,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:34,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:34,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:34,714 INFO L87 Difference]: Start difference. First operand 2907 states and 3682 transitions. Second operand has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:35,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:35,510 INFO L93 Difference]: Finished difference Result 2908 states and 3682 transitions. [2025-03-04 10:52:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:35,510 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 116 [2025-03-04 10:52:35,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:35,513 INFO L225 Difference]: With dead ends: 2908 [2025-03-04 10:52:35,513 INFO L226 Difference]: Without dead ends: 2907 [2025-03-04 10:52:35,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2025-03-04 10:52:35,514 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 88 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:35,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 946 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1619 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:35,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2025-03-04 10:52:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2907. [2025-03-04 10:52:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2801 states have (on average 1.2634773295251696) internal successors, (3539), 2830 states have internal predecessors, (3539), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 3681 transitions. [2025-03-04 10:52:35,641 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 3681 transitions. Word has length 116 [2025-03-04 10:52:35,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:35,641 INFO L471 AbstractCegarLoop]: Abstraction has 2907 states and 3681 transitions. [2025-03-04 10:52:35,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3681 transitions. [2025-03-04 10:52:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-04 10:52:35,642 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:35,642 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:35,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2025-03-04 10:52:35,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2025-03-04 10:52:35,842 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:35,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:35,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1235479943, now seen corresponding path program 1 times [2025-03-04 10:52:35,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:35,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222595110] [2025-03-04 10:52:35,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:35,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:35,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:52:35,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:52:35,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:35,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:35,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:35,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222595110] [2025-03-04 10:52:35,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222595110] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:35,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564146607] [2025-03-04 10:52:35,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:35,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:35,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:35,965 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:35,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2025-03-04 10:52:35,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:52:36,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:52:36,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:36,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:36,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:52:36,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:36,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:36,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564146607] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:36,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:36,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-03-04 10:52:36,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654485347] [2025-03-04 10:52:36,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:36,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:52:36,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:36,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:52:36,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:36,558 INFO L87 Difference]: Start difference. First operand 2907 states and 3681 transitions. Second operand has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:37,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:37,245 INFO L93 Difference]: Finished difference Result 2944 states and 3717 transitions. [2025-03-04 10:52:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:52:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 117 [2025-03-04 10:52:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:37,247 INFO L225 Difference]: With dead ends: 2944 [2025-03-04 10:52:37,247 INFO L226 Difference]: Without dead ends: 2895 [2025-03-04 10:52:37,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:37,248 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 98 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:37,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1038 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:37,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2025-03-04 10:52:37,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2895. [2025-03-04 10:52:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2789 states have (on average 1.2621011115095015) internal successors, (3520), 2818 states have internal predecessors, (3520), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3662 transitions. [2025-03-04 10:52:37,364 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3662 transitions. Word has length 117 [2025-03-04 10:52:37,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:37,364 INFO L471 AbstractCegarLoop]: Abstraction has 2895 states and 3662 transitions. [2025-03-04 10:52:37,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3662 transitions. [2025-03-04 10:52:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-04 10:52:37,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:37,365 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:37,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2025-03-04 10:52:37,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:37,566 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:37,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:37,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1842146946, now seen corresponding path program 1 times [2025-03-04 10:52:37,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:37,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615875593] [2025-03-04 10:52:37,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:37,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:52:37,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:52:37,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:37,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:37,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533004862] [2025-03-04 10:52:37,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:37,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:37,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:37,580 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:37,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2025-03-04 10:52:37,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:52:37,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:52:37,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:37,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:37,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:52:37,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:37,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:38,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:38,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615875593] [2025-03-04 10:52:38,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:38,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533004862] [2025-03-04 10:52:38,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533004862] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:38,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:38,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:38,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315207718] [2025-03-04 10:52:38,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:38,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:38,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:38,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:38,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:38,205 INFO L87 Difference]: Start difference. First operand 2895 states and 3662 transitions. Second operand has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:40,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:40,008 INFO L93 Difference]: Finished difference Result 3008 states and 3782 transitions. [2025-03-04 10:52:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:40,008 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 122 [2025-03-04 10:52:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:40,011 INFO L225 Difference]: With dead ends: 3008 [2025-03-04 10:52:40,011 INFO L226 Difference]: Without dead ends: 3006 [2025-03-04 10:52:40,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=1458, Unknown=0, NotChecked=0, Total=1722 [2025-03-04 10:52:40,012 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 309 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:40,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1528 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-04 10:52:40,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2025-03-04 10:52:40,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 2940. [2025-03-04 10:52:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2833 states have (on average 1.2597952700317685) internal successors, (3569), 2862 states have internal predecessors, (3569), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-03-04 10:52:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 3713 transitions. [2025-03-04 10:52:40,133 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 3713 transitions. Word has length 122 [2025-03-04 10:52:40,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:40,133 INFO L471 AbstractCegarLoop]: Abstraction has 2940 states and 3713 transitions. [2025-03-04 10:52:40,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:40,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3713 transitions. [2025-03-04 10:52:40,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-04 10:52:40,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:40,134 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:40,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:40,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:40,335 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:40,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1423744396, now seen corresponding path program 2 times [2025-03-04 10:52:40,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:40,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200386083] [2025-03-04 10:52:40,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:40,339 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-03-04 10:52:40,345 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:52:40,346 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:40,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:40,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296162496] [2025-03-04 10:52:40,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:40,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:40,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:40,349 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:40,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2025-03-04 10:52:40,369 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-03-04 10:52:40,385 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:52:40,385 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:40,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:40,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:40,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:40,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:40,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200386083] [2025-03-04 10:52:40,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296162496] [2025-03-04 10:52:40,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296162496] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:40,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:40,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:40,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422592510] [2025-03-04 10:52:40,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:40,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:40,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:40,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:40,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:40,887 INFO L87 Difference]: Start difference. First operand 2940 states and 3713 transitions. Second operand has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:43,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:43,892 INFO L93 Difference]: Finished difference Result 4932 states and 6294 transitions. [2025-03-04 10:52:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:43,893 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 123 [2025-03-04 10:52:43,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:43,896 INFO L225 Difference]: With dead ends: 4932 [2025-03-04 10:52:43,896 INFO L226 Difference]: Without dead ends: 4930 [2025-03-04 10:52:43,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=354, Invalid=1286, Unknown=0, NotChecked=0, Total=1640 [2025-03-04 10:52:43,897 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 1223 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 1739 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:43,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 767 Invalid, 1769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1739 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-03-04 10:52:43,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2025-03-04 10:52:44,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 4424. [2025-03-04 10:52:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4424 states, 4275 states have (on average 1.263391812865497) internal successors, (5401), 4304 states have internal predecessors, (5401), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 5629 transitions. [2025-03-04 10:52:44,086 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 5629 transitions. Word has length 123 [2025-03-04 10:52:44,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:44,086 INFO L471 AbstractCegarLoop]: Abstraction has 4424 states and 5629 transitions. [2025-03-04 10:52:44,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:44,087 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 5629 transitions. [2025-03-04 10:52:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 10:52:44,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:44,087 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-04 10:52:44,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2025-03-04 10:52:44,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:44,288 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:44,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:44,288 INFO L85 PathProgramCache]: Analyzing trace with hash 761364398, now seen corresponding path program 1 times [2025-03-04 10:52:44,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:44,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039199532] [2025-03-04 10:52:44,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:44,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:44,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:52:44,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:52:44,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:44,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:44,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386781630] [2025-03-04 10:52:44,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:44,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:44,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:44,299 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:44,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2025-03-04 10:52:44,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:52:44,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:52:44,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:44,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:44,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:44,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-04 10:52:44,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:44,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:44,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039199532] [2025-03-04 10:52:44,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:44,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386781630] [2025-03-04 10:52:44,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386781630] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:44,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:44,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 10:52:44,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910028854] [2025-03-04 10:52:44,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:44,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:52:44,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:44,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:52:44,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:44,526 INFO L87 Difference]: Start difference. First operand 4424 states and 5629 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:45,229 INFO L93 Difference]: Finished difference Result 4474 states and 5675 transitions. [2025-03-04 10:52:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:45,230 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 124 [2025-03-04 10:52:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:45,233 INFO L225 Difference]: With dead ends: 4474 [2025-03-04 10:52:45,233 INFO L226 Difference]: Without dead ends: 4471 [2025-03-04 10:52:45,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:45,233 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 187 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:45,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 216 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:45,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4471 states. [2025-03-04 10:52:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4471 to 4450. [2025-03-04 10:52:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4450 states, 4301 states have (on average 1.262729597767961) internal successors, (5431), 4330 states have internal predecessors, (5431), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 4450 states and 5659 transitions. [2025-03-04 10:52:45,503 INFO L78 Accepts]: Start accepts. Automaton has 4450 states and 5659 transitions. Word has length 124 [2025-03-04 10:52:45,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:45,503 INFO L471 AbstractCegarLoop]: Abstraction has 4450 states and 5659 transitions. [2025-03-04 10:52:45,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 5659 transitions. [2025-03-04 10:52:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 10:52:45,504 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:45,504 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:45,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2025-03-04 10:52:45,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2025-03-04 10:52:45,705 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:45,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash 84470716, now seen corresponding path program 1 times [2025-03-04 10:52:45,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:45,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002750636] [2025-03-04 10:52:45,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:45,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 10:52:45,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 10:52:45,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:45,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-04 10:52:45,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:45,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002750636] [2025-03-04 10:52:45,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002750636] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:45,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:45,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:52:45,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529253269] [2025-03-04 10:52:45,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:45,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:45,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:45,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:45,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:52:45,768 INFO L87 Difference]: Start difference. First operand 4450 states and 5659 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:46,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:46,088 INFO L93 Difference]: Finished difference Result 4472 states and 5672 transitions. [2025-03-04 10:52:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:52:46,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 127 [2025-03-04 10:52:46,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:46,091 INFO L225 Difference]: With dead ends: 4472 [2025-03-04 10:52:46,091 INFO L226 Difference]: Without dead ends: 4450 [2025-03-04 10:52:46,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:46,092 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 71 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:46,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 255 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:46,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4450 states. [2025-03-04 10:52:46,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4450 to 4439. [2025-03-04 10:52:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4439 states, 4290 states have (on average 1.263170163170163) internal successors, (5419), 4319 states have internal predecessors, (5419), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 4439 states and 5647 transitions. [2025-03-04 10:52:46,339 INFO L78 Accepts]: Start accepts. Automaton has 4439 states and 5647 transitions. Word has length 127 [2025-03-04 10:52:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:46,340 INFO L471 AbstractCegarLoop]: Abstraction has 4439 states and 5647 transitions. [2025-03-04 10:52:46,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4439 states and 5647 transitions. [2025-03-04 10:52:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 10:52:46,341 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:46,341 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:46,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2025-03-04 10:52:46,341 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:46,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:46,341 INFO L85 PathProgramCache]: Analyzing trace with hash -436197114, now seen corresponding path program 2 times [2025-03-04 10:52:46,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:46,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807543448] [2025-03-04 10:52:46,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:46,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:46,346 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-04 10:52:46,355 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 10:52:46,355 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:46,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:46,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1907407374] [2025-03-04 10:52:46,356 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:46,358 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:46,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2025-03-04 10:52:46,380 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-04 10:52:46,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 10:52:46,403 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:46,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:46,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-04 10:52:46,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:46,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:47,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:47,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807543448] [2025-03-04 10:52:47,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:47,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907407374] [2025-03-04 10:52:47,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907407374] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:47,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:47,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:47,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766618373] [2025-03-04 10:52:47,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:47,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:47,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:47,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:47,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:47,220 INFO L87 Difference]: Start difference. First operand 4439 states and 5647 transitions. Second operand has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:50,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:50,871 INFO L93 Difference]: Finished difference Result 4522 states and 5733 transitions. [2025-03-04 10:52:50,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:52:50,872 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 129 [2025-03-04 10:52:50,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:50,876 INFO L225 Difference]: With dead ends: 4522 [2025-03-04 10:52:50,876 INFO L226 Difference]: Without dead ends: 4504 [2025-03-04 10:52:50,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2025-03-04 10:52:50,877 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 1191 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 2394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:50,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 668 Invalid, 2394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-03-04 10:52:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2025-03-04 10:52:51,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 4439. [2025-03-04 10:52:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4439 states, 4290 states have (on average 1.262004662004662) internal successors, (5414), 4319 states have internal predecessors, (5414), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 4439 states and 5642 transitions. [2025-03-04 10:52:51,068 INFO L78 Accepts]: Start accepts. Automaton has 4439 states and 5642 transitions. Word has length 129 [2025-03-04 10:52:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:51,069 INFO L471 AbstractCegarLoop]: Abstraction has 4439 states and 5642 transitions. [2025-03-04 10:52:51,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 4439 states and 5642 transitions. [2025-03-04 10:52:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-04 10:52:51,069 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:51,069 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:51,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:51,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2025-03-04 10:52:51,270 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:51,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1018657930, now seen corresponding path program 1 times [2025-03-04 10:52:51,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499319301] [2025-03-04 10:52:51,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:51,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-04 10:52:51,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-04 10:52:51,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:51,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:51,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309361045] [2025-03-04 10:52:51,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:51,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:51,284 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:51,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2025-03-04 10:52:51,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-04 10:52:51,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-04 10:52:51,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:51,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:51,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-04 10:52:51,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:51,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:52,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:52,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499319301] [2025-03-04 10:52:52,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:52,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309361045] [2025-03-04 10:52:52,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309361045] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:52,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:52,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2025-03-04 10:52:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665837581] [2025-03-04 10:52:52,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:52,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-04 10:52:52,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:52,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-04 10:52:52,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:52,282 INFO L87 Difference]: Start difference. First operand 4439 states and 5642 transitions. Second operand has 26 states, 25 states have (on average 9.28) internal successors, (232), 26 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:55,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:55,101 INFO L93 Difference]: Finished difference Result 4495 states and 5696 transitions. [2025-03-04 10:52:55,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:52:55,101 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.28) internal successors, (232), 26 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 130 [2025-03-04 10:52:55,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:55,104 INFO L225 Difference]: With dead ends: 4495 [2025-03-04 10:52:55,105 INFO L226 Difference]: Without dead ends: 4494 [2025-03-04 10:52:55,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=479, Invalid=2383, Unknown=0, NotChecked=0, Total=2862 [2025-03-04 10:52:55,105 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 435 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 2420 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 2435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:55,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 831 Invalid, 2435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2420 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-04 10:52:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4494 states. [2025-03-04 10:52:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4494 to 4453. [2025-03-04 10:52:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4453 states, 4304 states have (on average 1.2613847583643123) internal successors, (5429), 4333 states have internal predecessors, (5429), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:55,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 4453 states and 5657 transitions. [2025-03-04 10:52:55,290 INFO L78 Accepts]: Start accepts. Automaton has 4453 states and 5657 transitions. Word has length 130 [2025-03-04 10:52:55,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:55,290 INFO L471 AbstractCegarLoop]: Abstraction has 4453 states and 5657 transitions. [2025-03-04 10:52:55,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.28) internal successors, (232), 26 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 4453 states and 5657 transitions. [2025-03-04 10:52:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-04 10:52:55,291 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:55,291 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:55,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:55,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:55,491 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:55,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:55,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2040034363, now seen corresponding path program 2 times [2025-03-04 10:52:55,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:55,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175533478] [2025-03-04 10:52:55,492 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:55,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:55,495 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-03-04 10:52:55,499 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:52:55,499 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:55,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:55,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:55,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175533478] [2025-03-04 10:52:55,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175533478] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:55,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686236756] [2025-03-04 10:52:55,540 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:55,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:55,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:55,542 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:55,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2025-03-04 10:52:55,563 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-03-04 10:52:55,580 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:52:55,580 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:55,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:55,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:55,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:55,682 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:55,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686236756] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:55,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:55,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-04 10:52:55,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879426110] [2025-03-04 10:52:55,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:55,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:52:55,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:55,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:52:55,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:55,851 INFO L87 Difference]: Start difference. First operand 4453 states and 5657 transitions. Second operand has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)