./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.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 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:24:42,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:24:42,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:24:42,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:24:42,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:24:42,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:24:42,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:24:42,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:24:42,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:24:42,809 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:24:42,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:24:42,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:24:42,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:24:42,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:24:42,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:24:42,810 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:24:42,811 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:24:42,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:24:42,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:24:42,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:24:42,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:24:42,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:24:42,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:24:42,812 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 -> 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c [2025-03-09 02:24:43,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:24:43,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:24:43,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:24:43,053 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:24:43,053 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:24:43,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2025-03-09 02:24:44,164 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ad5a81d/4250d374e7c844588b59527e90b0b63a/FLAGc92c796e1 [2025-03-09 02:24:44,395 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:24:44,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2025-03-09 02:24:44,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ad5a81d/4250d374e7c844588b59527e90b0b63a/FLAGc92c796e1 [2025-03-09 02:24:44,739 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ad5a81d/4250d374e7c844588b59527e90b0b63a [2025-03-09 02:24:44,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:24:44,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:24:44,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:24:44,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:24:44,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:24:44,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2b65ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44, skipping insertion in model container [2025-03-09 02:24:44,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:24:44,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:24:44,879 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:24:44,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:24:44,904 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:24:44,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44 WrapperNode [2025-03-09 02:24:44,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:24:44,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:24:44,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:24:44,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:24:44,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,931 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2025-03-09 02:24:44,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:24:44,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:24:44,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:24:44,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:24:44,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,939 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,946 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-03-09 02:24:44,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,950 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:24:44,955 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:24:44,955 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:24:44,955 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:24:44,955 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (1/1) ... [2025-03-09 02:24:44,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:24:44,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:44,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 02:24:44,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 02:24:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:24:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:24:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 02:24:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:24:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:24:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:24:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:24:45,040 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:24:45,041 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:24:45,220 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-03-09 02:24:45,220 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:24:45,231 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:24:45,231 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:24:45,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:24:45 BoogieIcfgContainer [2025-03-09 02:24:45,231 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:24:45,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:24:45,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:24:45,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:24:45,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:24:44" (1/3) ... [2025-03-09 02:24:45,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bffd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:24:45, skipping insertion in model container [2025-03-09 02:24:45,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:24:44" (2/3) ... [2025-03-09 02:24:45,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bffd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:24:45, skipping insertion in model container [2025-03-09 02:24:45,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:24:45" (3/3) ... [2025-03-09 02:24:45,239 INFO L128 eAbstractionObserver]: Analyzing ICFG hard2_valuebound20.c [2025-03-09 02:24:45,249 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:24:45,250 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_valuebound20.c that has 2 procedures, 72 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-03-09 02:24:45,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:24:45,293 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;@225394e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:24:45,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-03-09 02:24:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 40 states have (on average 1.75) internal successors, (70), 63 states have internal predecessors, (70), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-09 02:24:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-09 02:24:45,300 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:45,300 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 02:24:45,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:45,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:45,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1337638612, now seen corresponding path program 1 times [2025-03-09 02:24:45,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:45,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051778852] [2025-03-09 02:24:45,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:45,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 02:24:45,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 02:24:45,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:45,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:24:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:45,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051778852] [2025-03-09 02:24:45,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051778852] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:45,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:45,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:24:45,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774438883] [2025-03-09 02:24:45,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:45,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:24:45,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:45,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:24:45,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:24:45,437 INFO L87 Difference]: Start difference. First operand has 72 states, 40 states have (on average 1.75) internal successors, (70), 63 states have internal predecessors, (70), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-03-09 02:24:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:45,458 INFO L93 Difference]: Finished difference Result 140 states and 170 transitions. [2025-03-09 02:24:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:24:45,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2025-03-09 02:24:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:45,464 INFO L225 Difference]: With dead ends: 140 [2025-03-09 02:24:45,464 INFO L226 Difference]: Without dead ends: 64 [2025-03-09 02:24:45,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:24:45,470 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:45,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:24:45,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-03-09 02:24:45,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-03-09 02:24:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 34 states have (on average 1.7647058823529411) internal successors, (60), 57 states have internal predecessors, (60), 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) [2025-03-09 02:24:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2025-03-09 02:24:45,509 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 6 [2025-03-09 02:24:45,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:45,509 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2025-03-09 02:24:45,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-03-09 02:24:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2025-03-09 02:24:45,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 02:24:45,511 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:45,511 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:45,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 02:24:45,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:45,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:45,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1606297948, now seen corresponding path program 1 times [2025-03-09 02:24:45,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:45,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404146603] [2025-03-09 02:24:45,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:45,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 02:24:45,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 02:24:45,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:45,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:45,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786923970] [2025-03-09 02:24:45,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:45,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:45,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:45,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:24:45,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 02:24:45,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 02:24:45,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:45,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:45,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:24:45,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:24:45,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:45,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:45,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404146603] [2025-03-09 02:24:45,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786923970] [2025-03-09 02:24:45,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786923970] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:45,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:45,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:24:45,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539255185] [2025-03-09 02:24:45,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:45,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:24:45,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:45,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:24:45,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:45,661 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:24:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:45,762 INFO L93 Difference]: Finished difference Result 133 states and 154 transitions. [2025-03-09 02:24:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:24:45,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-03-09 02:24:45,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:45,763 INFO L225 Difference]: With dead ends: 133 [2025-03-09 02:24:45,763 INFO L226 Difference]: Without dead ends: 85 [2025-03-09 02:24:45,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:45,764 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:45,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:45,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-03-09 02:24:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2025-03-09 02:24:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.6875) internal successors, (81), 71 states have internal predecessors, (81), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:24:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2025-03-09 02:24:45,773 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 15 [2025-03-09 02:24:45,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:45,774 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2025-03-09 02:24:45,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:24:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2025-03-09 02:24:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-09 02:24:45,775 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:45,775 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:45,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:24:45,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:45,976 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:45,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:45,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1479458051, now seen corresponding path program 1 times [2025-03-09 02:24:45,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:45,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156358942] [2025-03-09 02:24:45,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:45,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:45,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 02:24:45,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 02:24:45,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:45,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:45,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938547285] [2025-03-09 02:24:45,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:45,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:46,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:24:46,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 02:24:46,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 02:24:46,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:46,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:46,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:24:46,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:24:46,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:46,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:46,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156358942] [2025-03-09 02:24:46,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:46,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938547285] [2025-03-09 02:24:46,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938547285] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:46,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:46,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:24:46,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095623570] [2025-03-09 02:24:46,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:46,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:24:46,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:46,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:24:46,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:46,064 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:46,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:46,122 INFO L93 Difference]: Finished difference Result 117 states and 144 transitions. [2025-03-09 02:24:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:24:46,122 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-03-09 02:24:46,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:46,123 INFO L225 Difference]: With dead ends: 117 [2025-03-09 02:24:46,123 INFO L226 Difference]: Without dead ends: 113 [2025-03-09 02:24:46,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:46,124 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 39 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:46,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 87 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:24:46,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-03-09 02:24:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2025-03-09 02:24:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 85 states have internal predecessors, (103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-09 02:24:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2025-03-09 02:24:46,139 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 23 [2025-03-09 02:24:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:46,139 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions. [2025-03-09 02:24:46,139 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2025-03-09 02:24:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-09 02:24:46,140 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:46,140 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:46,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 02:24:46,340 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,SelfDestructingSolverStorable2 [2025-03-09 02:24:46,340 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:46,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:46,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1479458011, now seen corresponding path program 1 times [2025-03-09 02:24:46,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:46,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991707363] [2025-03-09 02:24:46,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:46,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:46,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 02:24:46,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 02:24:46,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:46,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:24:46,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:46,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991707363] [2025-03-09 02:24:46,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991707363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:46,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:46,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:24:46,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314484176] [2025-03-09 02:24:46,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:46,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:24:46,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:46,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:24:46,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:46,448 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:46,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:46,496 INFO L93 Difference]: Finished difference Result 107 states and 132 transitions. [2025-03-09 02:24:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:24:46,497 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-03-09 02:24:46,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:46,497 INFO L225 Difference]: With dead ends: 107 [2025-03-09 02:24:46,498 INFO L226 Difference]: Without dead ends: 105 [2025-03-09 02:24:46,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:46,498 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:46,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 106 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:24:46,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-03-09 02:24:46,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2025-03-09 02:24:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.6290322580645162) internal successors, (101), 85 states have internal predecessors, (101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-09 02:24:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 125 transitions. [2025-03-09 02:24:46,512 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 125 transitions. Word has length 23 [2025-03-09 02:24:46,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:46,513 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 125 transitions. [2025-03-09 02:24:46,513 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2025-03-09 02:24:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 02:24:46,513 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:46,513 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:46,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 02:24:46,513 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:46,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash -125011621, now seen corresponding path program 1 times [2025-03-09 02:24:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278751178] [2025-03-09 02:24:46,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:46,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 02:24:46,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 02:24:46,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:46,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:24:46,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:46,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278751178] [2025-03-09 02:24:46,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278751178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:46,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:46,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 02:24:46,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703742350] [2025-03-09 02:24:46,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:46,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:24:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:46,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:24:46,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:46,666 INFO L87 Difference]: Start difference. First operand 99 states and 125 transitions. Second operand has 7 states, 5 states have (on average 2.6) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:24:46,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:46,845 INFO L93 Difference]: Finished difference Result 114 states and 138 transitions. [2025-03-09 02:24:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:24:46,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2025-03-09 02:24:46,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:46,848 INFO L225 Difference]: With dead ends: 114 [2025-03-09 02:24:46,848 INFO L226 Difference]: Without dead ends: 113 [2025-03-09 02:24:46,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:24:46,849 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 135 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:46,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 121 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-03-09 02:24:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 102. [2025-03-09 02:24:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 65 states have (on average 1.6) internal successors, (104), 88 states have internal predecessors, (104), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-09 02:24:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 128 transitions. [2025-03-09 02:24:46,866 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 128 transitions. Word has length 25 [2025-03-09 02:24:46,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:46,866 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 128 transitions. [2025-03-09 02:24:46,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:24:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 128 transitions. [2025-03-09 02:24:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-09 02:24:46,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:46,868 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:46,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 02:24:46,868 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:46,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:46,868 INFO L85 PathProgramCache]: Analyzing trace with hash 419607054, now seen corresponding path program 1 times [2025-03-09 02:24:46,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:46,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506966567] [2025-03-09 02:24:46,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:46,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:24:46,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:24:46,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:46,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:24:46,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:46,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506966567] [2025-03-09 02:24:46,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506966567] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:46,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:46,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:24:46,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464680206] [2025-03-09 02:24:46,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:46,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:46,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:46,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:46,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:24:46,937 INFO L87 Difference]: Start difference. First operand 102 states and 128 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:47,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:47,096 INFO L93 Difference]: Finished difference Result 113 states and 140 transitions. [2025-03-09 02:24:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:24:47,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-03-09 02:24:47,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:47,098 INFO L225 Difference]: With dead ends: 113 [2025-03-09 02:24:47,098 INFO L226 Difference]: Without dead ends: 112 [2025-03-09 02:24:47,098 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 [2025-03-09 02:24:47,098 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 49 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:47,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 148 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:47,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-03-09 02:24:47,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2025-03-09 02:24:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.542857142857143) internal successors, (108), 93 states have internal predecessors, (108), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-09 02:24:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2025-03-09 02:24:47,111 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 26 [2025-03-09 02:24:47,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:47,111 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2025-03-09 02:24:47,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2025-03-09 02:24:47,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-09 02:24:47,112 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:47,112 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:47,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:24:47,112 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:47,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:47,112 INFO L85 PathProgramCache]: Analyzing trace with hash 318596564, now seen corresponding path program 1 times [2025-03-09 02:24:47,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:47,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857289499] [2025-03-09 02:24:47,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:47,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:47,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:24:47,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:24:47,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:47,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:47,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1197343314] [2025-03-09 02:24:47,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:47,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:47,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:47,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:47,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:24:47,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:24:47,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:24:47,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:47,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:47,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:24:47,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:24:47,245 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:47,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:47,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857289499] [2025-03-09 02:24:47,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:47,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197343314] [2025-03-09 02:24:47,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197343314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:47,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:47,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:24:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759727981] [2025-03-09 02:24:47,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:47,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:24:47,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:47,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:24:47,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:24:47,247 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:47,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:47,316 INFO L93 Difference]: Finished difference Result 118 states and 147 transitions. [2025-03-09 02:24:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:24:47,316 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2025-03-09 02:24:47,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:47,317 INFO L225 Difference]: With dead ends: 118 [2025-03-09 02:24:47,317 INFO L226 Difference]: Without dead ends: 108 [2025-03-09 02:24:47,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:24:47,318 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 45 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:47,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 86 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-03-09 02:24:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-03-09 02:24:47,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.452054794520548) internal successors, (106), 92 states have internal predecessors, (106), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:24:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2025-03-09 02:24:47,327 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 37 [2025-03-09 02:24:47,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:47,327 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2025-03-09 02:24:47,327 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2025-03-09 02:24:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:24:47,328 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:47,328 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:47,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 02:24:47,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:47,529 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:47,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:47,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1286558921, now seen corresponding path program 1 times [2025-03-09 02:24:47,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:47,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7536125] [2025-03-09 02:24:47,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:47,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:47,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:24:47,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:24:47,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:47,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:47,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068833806] [2025-03-09 02:24:47,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:47,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:47,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:47,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:24:47,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:24:47,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:24:47,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:47,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:47,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:24:47,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:24:47,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:47,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:47,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7536125] [2025-03-09 02:24:47,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:47,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068833806] [2025-03-09 02:24:47,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068833806] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:47,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:47,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-03-09 02:24:47,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302607976] [2025-03-09 02:24:47,808 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:47,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:24:47,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:47,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:24:47,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:24:47,809 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:47,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:47,918 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2025-03-09 02:24:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:24:47,919 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2025-03-09 02:24:47,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:47,920 INFO L225 Difference]: With dead ends: 179 [2025-03-09 02:24:47,920 INFO L226 Difference]: Without dead ends: 175 [2025-03-09 02:24:47,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:24:47,921 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 56 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:47,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 96 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:47,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-03-09 02:24:47,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 163. [2025-03-09 02:24:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.4621848739495797) internal successors, (174), 138 states have internal predecessors, (174), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:24:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2025-03-09 02:24:47,940 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 38 [2025-03-09 02:24:47,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:47,940 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2025-03-09 02:24:47,940 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2025-03-09 02:24:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-09 02:24:47,941 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:47,941 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:47,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 02:24:48,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:48,142 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:48,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash -259674666, now seen corresponding path program 1 times [2025-03-09 02:24:48,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:48,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097716338] [2025-03-09 02:24:48,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:48,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-09 02:24:48,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 02:24:48,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:48,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:24:48,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:48,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097716338] [2025-03-09 02:24:48,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097716338] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:48,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:48,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 02:24:48,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640718219] [2025-03-09 02:24:48,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:48,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:24:48,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:48,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:24:48,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:48,287 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:48,417 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2025-03-09 02:24:48,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:24:48,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2025-03-09 02:24:48,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:48,419 INFO L225 Difference]: With dead ends: 175 [2025-03-09 02:24:48,419 INFO L226 Difference]: Without dead ends: 174 [2025-03-09 02:24:48,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:24:48,419 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 165 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:48,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 136 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:48,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-09 02:24:48,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2025-03-09 02:24:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 139 states have internal predecessors, (175), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:24:48,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 221 transitions. [2025-03-09 02:24:48,430 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 221 transitions. Word has length 42 [2025-03-09 02:24:48,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:48,431 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 221 transitions. [2025-03-09 02:24:48,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 221 transitions. [2025-03-09 02:24:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-09 02:24:48,435 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:48,435 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:48,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 02:24:48,435 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:48,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:48,436 INFO L85 PathProgramCache]: Analyzing trace with hash 540019921, now seen corresponding path program 1 times [2025-03-09 02:24:48,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:48,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446040064] [2025-03-09 02:24:48,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:48,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:48,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-09 02:24:48,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-09 02:24:48,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:48,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:24:48,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:48,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446040064] [2025-03-09 02:24:48,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446040064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:48,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:48,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:24:48,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334976414] [2025-03-09 02:24:48,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:48,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:48,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:48,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:48,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:24:48,515 INFO L87 Difference]: Start difference. First operand 164 states and 221 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:48,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:48,586 INFO L93 Difference]: Finished difference Result 169 states and 225 transitions. [2025-03-09 02:24:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:24:48,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2025-03-09 02:24:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:48,588 INFO L225 Difference]: With dead ends: 169 [2025-03-09 02:24:48,588 INFO L226 Difference]: Without dead ends: 155 [2025-03-09 02:24:48,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:24:48,589 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:48,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 105 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:48,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-03-09 02:24:48,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-03-09 02:24:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 132 states have internal predecessors, (167), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:24:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 209 transitions. [2025-03-09 02:24:48,598 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 209 transitions. Word has length 43 [2025-03-09 02:24:48,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:48,598 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 209 transitions. [2025-03-09 02:24:48,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:24:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 209 transitions. [2025-03-09 02:24:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-09 02:24:48,599 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:48,599 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:48,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 02:24:48,599 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:48,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash 912433749, now seen corresponding path program 1 times [2025-03-09 02:24:48,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:48,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203225820] [2025-03-09 02:24:48,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:48,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:48,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-09 02:24:48,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 02:24:48,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:48,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:24:48,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:48,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203225820] [2025-03-09 02:24:48,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203225820] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:48,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620242263] [2025-03-09 02:24:48,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:48,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:48,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:48,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:48,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:24:48,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-09 02:24:48,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 02:24:48,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:48,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:48,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:24:48,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:24:48,738 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:48,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620242263] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:48,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:48,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 02:24:48,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142946974] [2025-03-09 02:24:48,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:48,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:24:48,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:48,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:24:48,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:24:48,739 INFO L87 Difference]: Start difference. First operand 155 states and 209 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:24:48,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:48,817 INFO L93 Difference]: Finished difference Result 235 states and 326 transitions. [2025-03-09 02:24:48,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:24:48,817 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2025-03-09 02:24:48,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:48,819 INFO L225 Difference]: With dead ends: 235 [2025-03-09 02:24:48,819 INFO L226 Difference]: Without dead ends: 233 [2025-03-09 02:24:48,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:24:48,820 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 42 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:48,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 122 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:48,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-09 02:24:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 212. [2025-03-09 02:24:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 163 states have (on average 1.4846625766871167) internal successors, (242), 181 states have internal predecessors, (242), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 02:24:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 300 transitions. [2025-03-09 02:24:48,836 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 300 transitions. Word has length 45 [2025-03-09 02:24:48,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:48,837 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 300 transitions. [2025-03-09 02:24:48,838 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:24:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 300 transitions. [2025-03-09 02:24:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-09 02:24:48,838 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:48,838 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:48,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:49,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-09 02:24:49,042 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:49,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:49,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1779324831, now seen corresponding path program 1 times [2025-03-09 02:24:49,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:49,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312479848] [2025-03-09 02:24:49,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:49,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:49,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:24:49,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:24:49,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:49,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:24:49,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:49,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312479848] [2025-03-09 02:24:49,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312479848] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:49,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672050447] [2025-03-09 02:24:49,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:49,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:49,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:49,118 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:49,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:24:49,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:24:49,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:24:49,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:49,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:49,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:24:49,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:24:49,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:24:49,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672050447] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:24:49,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:24:49,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-09 02:24:49,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550646829] [2025-03-09 02:24:49,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:49,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:24:49,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:49,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:24:49,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:49,223 INFO L87 Difference]: Start difference. First operand 212 states and 300 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-09 02:24:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:49,345 INFO L93 Difference]: Finished difference Result 351 states and 490 transitions. [2025-03-09 02:24:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:24:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 46 [2025-03-09 02:24:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:49,347 INFO L225 Difference]: With dead ends: 351 [2025-03-09 02:24:49,348 INFO L226 Difference]: Without dead ends: 349 [2025-03-09 02:24:49,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:49,348 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 131 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:49,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 196 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-03-09 02:24:49,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 304. [2025-03-09 02:24:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 239 states have (on average 1.4853556485355648) internal successors, (355), 257 states have internal predecessors, (355), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:24:49,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 445 transitions. [2025-03-09 02:24:49,381 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 445 transitions. Word has length 46 [2025-03-09 02:24:49,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:49,381 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 445 transitions. [2025-03-09 02:24:49,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-09 02:24:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 445 transitions. [2025-03-09 02:24:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 02:24:49,382 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:49,382 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:49,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:49,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:49,586 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:49,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash -535378722, now seen corresponding path program 1 times [2025-03-09 02:24:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:49,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244784096] [2025-03-09 02:24:49,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:49,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:49,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:24:49,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:24:49,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:49,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:49,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325720258] [2025-03-09 02:24:49,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:49,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:49,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:49,604 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:49,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 02:24:49,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:24:49,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:24:49,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:49,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:49,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:24:49,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:49,710 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-09 02:24:49,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:49,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:49,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244784096] [2025-03-09 02:24:49,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:49,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325720258] [2025-03-09 02:24:49,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325720258] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:49,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:49,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:24:49,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078656745] [2025-03-09 02:24:49,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:49,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:24:49,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:49,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:24:49,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:24:49,711 INFO L87 Difference]: Start difference. First operand 304 states and 445 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:49,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:49,781 INFO L93 Difference]: Finished difference Result 323 states and 470 transitions. [2025-03-09 02:24:49,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:24:49,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-03-09 02:24:49,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:49,784 INFO L225 Difference]: With dead ends: 323 [2025-03-09 02:24:49,784 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:24:49,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:24:49,785 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 100 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:49,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 79 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:24:49,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:24:49,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 301. [2025-03-09 02:24:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.4533898305084745) internal successors, (343), 254 states have internal predecessors, (343), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:24:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 433 transitions. [2025-03-09 02:24:49,804 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 433 transitions. Word has length 48 [2025-03-09 02:24:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:49,804 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 433 transitions. [2025-03-09 02:24:49,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:24:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 433 transitions. [2025-03-09 02:24:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-09 02:24:49,805 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:49,805 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 02:24:49,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:50,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:50,007 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:50,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash 380481433, now seen corresponding path program 2 times [2025-03-09 02:24:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:50,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657802514] [2025-03-09 02:24:50,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:24:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:50,013 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-03-09 02:24:50,021 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:24:50,021 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:24:50,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:50,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044294347] [2025-03-09 02:24:50,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:24:50,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:50,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:50,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:50,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 02:24:50,049 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-03-09 02:24:50,065 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:24:50,065 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:24:50,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:50,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:24:50,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:24:50,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:50,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:50,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657802514] [2025-03-09 02:24:50,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:50,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044294347] [2025-03-09 02:24:50,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044294347] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:50,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:50,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:24:50,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333938697] [2025-03-09 02:24:50,264 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:50,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:50,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:50,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:50,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:50,264 INFO L87 Difference]: Start difference. First operand 301 states and 433 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:24:50,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:50,393 INFO L93 Difference]: Finished difference Result 390 states and 558 transitions. [2025-03-09 02:24:50,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:24:50,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 60 [2025-03-09 02:24:50,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:50,395 INFO L225 Difference]: With dead ends: 390 [2025-03-09 02:24:50,395 INFO L226 Difference]: Without dead ends: 386 [2025-03-09 02:24:50,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:50,396 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 73 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:50,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 128 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:50,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2025-03-09 02:24:50,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 301. [2025-03-09 02:24:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.444915254237288) internal successors, (341), 254 states have internal predecessors, (341), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:24:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 431 transitions. [2025-03-09 02:24:50,418 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 431 transitions. Word has length 60 [2025-03-09 02:24:50,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:50,418 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 431 transitions. [2025-03-09 02:24:50,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:24:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 431 transitions. [2025-03-09 02:24:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-09 02:24:50,419 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:50,419 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:50,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:50,619 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,SelfDestructingSolverStorable13 [2025-03-09 02:24:50,620 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:50,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:50,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1442874976, now seen corresponding path program 1 times [2025-03-09 02:24:50,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:50,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063516941] [2025-03-09 02:24:50,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:50,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:50,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-09 02:24:50,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-09 02:24:50,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:50,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-09 02:24:50,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:50,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063516941] [2025-03-09 02:24:50,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063516941] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:50,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:50,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:24:50,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49742719] [2025-03-09 02:24:50,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:50,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:24:50,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:50,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:24:50,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:50,676 INFO L87 Difference]: Start difference. First operand 301 states and 431 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:50,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:50,734 INFO L93 Difference]: Finished difference Result 301 states and 431 transitions. [2025-03-09 02:24:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:24:50,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2025-03-09 02:24:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:50,736 INFO L225 Difference]: With dead ends: 301 [2025-03-09 02:24:50,736 INFO L226 Difference]: Without dead ends: 300 [2025-03-09 02:24:50,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:24:50,736 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:50,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 95 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:24:50,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-03-09 02:24:50,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2025-03-09 02:24:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 236 states have (on average 1.4194915254237288) internal successors, (335), 253 states have internal predecessors, (335), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:24:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 425 transitions. [2025-03-09 02:24:50,756 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 425 transitions. Word has length 67 [2025-03-09 02:24:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:50,756 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 425 transitions. [2025-03-09 02:24:50,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 425 transitions. [2025-03-09 02:24:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-09 02:24:50,757 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:50,757 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-09 02:24:50,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 02:24:50,757 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:50,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:50,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1779451283, now seen corresponding path program 1 times [2025-03-09 02:24:50,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:50,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777187217] [2025-03-09 02:24:50,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:50,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-09 02:24:50,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-09 02:24:50,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:50,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:24:50,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:50,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777187217] [2025-03-09 02:24:50,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777187217] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:50,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208696665] [2025-03-09 02:24:50,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:50,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:50,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:50,885 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:50,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 02:24:50,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-09 02:24:50,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-09 02:24:50,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:50,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:50,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:24:50,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:24:51,043 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:51,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208696665] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:51,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:51,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-09 02:24:51,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261457353] [2025-03-09 02:24:51,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:51,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:51,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:51,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:51,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:24:51,045 INFO L87 Difference]: Start difference. First operand 300 states and 425 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:24:51,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:51,134 INFO L93 Difference]: Finished difference Result 318 states and 440 transitions. [2025-03-09 02:24:51,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:24:51,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2025-03-09 02:24:51,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:51,136 INFO L225 Difference]: With dead ends: 318 [2025-03-09 02:24:51,136 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:24:51,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:24:51,137 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 119 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:51,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 122 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:51,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:24:51,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 300. [2025-03-09 02:24:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 236 states have (on average 1.4067796610169492) internal successors, (332), 253 states have internal predecessors, (332), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:24:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 422 transitions. [2025-03-09 02:24:51,170 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 422 transitions. Word has length 68 [2025-03-09 02:24:51,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:51,170 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 422 transitions. [2025-03-09 02:24:51,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:24:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 422 transitions. [2025-03-09 02:24:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-09 02:24:51,172 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:51,172 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-09 02:24:51,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 02:24:51,375 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,SelfDestructingSolverStorable15 [2025-03-09 02:24:51,375 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:51,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:51,375 INFO L85 PathProgramCache]: Analyzing trace with hash -671585090, now seen corresponding path program 1 times [2025-03-09 02:24:51,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:51,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996909526] [2025-03-09 02:24:51,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:51,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:51,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 02:24:51,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 02:24:51,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:51,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:24:51,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:51,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996909526] [2025-03-09 02:24:51,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996909526] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:51,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776191882] [2025-03-09 02:24:51,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:51,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:51,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:51,479 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:51,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 02:24:51,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 02:24:51,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 02:24:51,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:51,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:51,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:24:51,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:51,664 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-09 02:24:51,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:51,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776191882] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:51,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:51,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-03-09 02:24:51,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950715499] [2025-03-09 02:24:51,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:51,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:51,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:51,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:51,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:24:51,665 INFO L87 Difference]: Start difference. First operand 300 states and 422 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:51,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:51,765 INFO L93 Difference]: Finished difference Result 319 states and 443 transitions. [2025-03-09 02:24:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:24:51,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2025-03-09 02:24:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:51,767 INFO L225 Difference]: With dead ends: 319 [2025-03-09 02:24:51,767 INFO L226 Difference]: Without dead ends: 318 [2025-03-09 02:24:51,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:24:51,767 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 59 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:51,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 91 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:51,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-03-09 02:24:51,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 309. [2025-03-09 02:24:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 245 states have (on average 1.3918367346938776) internal successors, (341), 262 states have internal predecessors, (341), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:24:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 431 transitions. [2025-03-09 02:24:51,793 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 431 transitions. Word has length 69 [2025-03-09 02:24:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:51,793 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 431 transitions. [2025-03-09 02:24:51,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 431 transitions. [2025-03-09 02:24:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-09 02:24:51,794 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:51,794 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-09 02:24:51,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:51,998 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,SelfDestructingSolverStorable16 [2025-03-09 02:24:51,998 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:51,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:51,998 INFO L85 PathProgramCache]: Analyzing trace with hash 655698673, now seen corresponding path program 1 times [2025-03-09 02:24:51,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:51,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108719423] [2025-03-09 02:24:51,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:52,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:24:52,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:24:52,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:52,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:24:52,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:52,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108719423] [2025-03-09 02:24:52,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108719423] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:52,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455727429] [2025-03-09 02:24:52,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:52,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:52,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:52,108 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:52,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 02:24:52,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:24:52,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:24:52,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:52,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:52,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:24:52,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-09 02:24:52,255 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:24:52,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455727429] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:52,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:52,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-03-09 02:24:52,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061487854] [2025-03-09 02:24:52,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:52,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:24:52,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:52,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:24:52,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:52,256 INFO L87 Difference]: Start difference. First operand 309 states and 431 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:52,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:52,322 INFO L93 Difference]: Finished difference Result 318 states and 437 transitions. [2025-03-09 02:24:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:24:52,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2025-03-09 02:24:52,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:52,324 INFO L225 Difference]: With dead ends: 318 [2025-03-09 02:24:52,324 INFO L226 Difference]: Without dead ends: 316 [2025-03-09 02:24:52,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:52,324 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 30 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:52,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 75 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:24:52,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-03-09 02:24:52,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2025-03-09 02:24:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 265 states have internal predecessors, (337), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:24:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2025-03-09 02:24:52,344 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 70 [2025-03-09 02:24:52,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:52,344 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2025-03-09 02:24:52,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2025-03-09 02:24:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-09 02:24:52,345 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:52,345 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-09 02:24:52,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-09 02:24:52,545 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,SelfDestructingSolverStorable17 [2025-03-09 02:24:52,546 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:52,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:52,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1148177602, now seen corresponding path program 1 times [2025-03-09 02:24:52,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:52,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627384604] [2025-03-09 02:24:52,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:52,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:52,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:24:52,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:24:52,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:52,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235342851] [2025-03-09 02:24:52,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:52,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:52,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:52,564 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:52,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 02:24:52,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:24:52,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:24:52,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:52,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:52,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:24:52,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-09 02:24:52,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:53,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:53,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627384604] [2025-03-09 02:24:53,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:53,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235342851] [2025-03-09 02:24:53,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235342851] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:53,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:53,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:24:53,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978273542] [2025-03-09 02:24:53,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:53,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:24:53,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:53,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:24:53,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:24:53,212 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:53,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:53,316 INFO L93 Difference]: Finished difference Result 390 states and 547 transitions. [2025-03-09 02:24:53,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:24:53,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 71 [2025-03-09 02:24:53,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:53,318 INFO L225 Difference]: With dead ends: 390 [2025-03-09 02:24:53,318 INFO L226 Difference]: Without dead ends: 389 [2025-03-09 02:24:53,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:24:53,318 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 74 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:53,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 86 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:53,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-03-09 02:24:53,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 366. [2025-03-09 02:24:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 296 states have (on average 1.3783783783783783) internal successors, (408), 313 states have internal predecessors, (408), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:24:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 510 transitions. [2025-03-09 02:24:53,339 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 510 transitions. Word has length 71 [2025-03-09 02:24:53,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:53,339 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 510 transitions. [2025-03-09 02:24:53,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 510 transitions. [2025-03-09 02:24:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-09 02:24:53,340 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:53,340 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-09 02:24:53,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-09 02:24:53,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:53,540 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:53,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1233767281, now seen corresponding path program 1 times [2025-03-09 02:24:53,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:53,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629807699] [2025-03-09 02:24:53,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:53,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:53,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:24:53,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:24:53,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:53,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:53,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864624016] [2025-03-09 02:24:53,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:53,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:53,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:53,556 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:53,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 02:24:53,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:24:53,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:24:53,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:53,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:53,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:24:53,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-09 02:24:53,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:54,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:54,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629807699] [2025-03-09 02:24:54,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:54,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864624016] [2025-03-09 02:24:54,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864624016] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:54,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:54,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:24:54,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32538532] [2025-03-09 02:24:54,116 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:54,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:54,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:54,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:24:54,117 INFO L87 Difference]: Start difference. First operand 366 states and 510 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:54,181 INFO L93 Difference]: Finished difference Result 370 states and 510 transitions. [2025-03-09 02:24:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:24:54,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2025-03-09 02:24:54,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:54,184 INFO L225 Difference]: With dead ends: 370 [2025-03-09 02:24:54,184 INFO L226 Difference]: Without dead ends: 367 [2025-03-09 02:24:54,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:24:54,185 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 51 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:54,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 67 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:24:54,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-03-09 02:24:54,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 364. [2025-03-09 02:24:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 296 states have (on average 1.3006756756756757) internal successors, (385), 311 states have internal predecessors, (385), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:24:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 487 transitions. [2025-03-09 02:24:54,204 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 487 transitions. Word has length 72 [2025-03-09 02:24:54,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:54,205 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 487 transitions. [2025-03-09 02:24:54,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 487 transitions. [2025-03-09 02:24:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-09 02:24:54,205 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:54,205 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-09 02:24:54,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:54,406 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,SelfDestructingSolverStorable19 [2025-03-09 02:24:54,406 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:54,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:54,406 INFO L85 PathProgramCache]: Analyzing trace with hash 407919964, now seen corresponding path program 1 times [2025-03-09 02:24:54,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:54,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332955174] [2025-03-09 02:24:54,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:54,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-09 02:24:54,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 02:24:54,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:54,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-09 02:24:54,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:54,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332955174] [2025-03-09 02:24:54,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332955174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:54,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:54,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:24:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166232221] [2025-03-09 02:24:54,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:54,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:54,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:54,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:54,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:24:54,468 INFO L87 Difference]: Start difference. First operand 364 states and 487 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:54,599 INFO L93 Difference]: Finished difference Result 366 states and 487 transitions. [2025-03-09 02:24:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:24:54,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2025-03-09 02:24:54,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:54,601 INFO L225 Difference]: With dead ends: 366 [2025-03-09 02:24:54,601 INFO L226 Difference]: Without dead ends: 365 [2025-03-09 02:24:54,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:24:54,602 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 48 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:54,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 135 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2025-03-09 02:24:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 363. [2025-03-09 02:24:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 296 states have (on average 1.2702702702702702) internal successors, (376), 310 states have internal predecessors, (376), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:24:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 478 transitions. [2025-03-09 02:24:54,621 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 478 transitions. Word has length 73 [2025-03-09 02:24:54,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:54,621 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 478 transitions. [2025-03-09 02:24:54,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:24:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 478 transitions. [2025-03-09 02:24:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-09 02:24:54,622 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:54,622 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-09 02:24:54,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-09 02:24:54,623 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:54,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:54,623 INFO L85 PathProgramCache]: Analyzing trace with hash -239382995, now seen corresponding path program 1 times [2025-03-09 02:24:54,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:54,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536202116] [2025-03-09 02:24:54,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:54,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:54,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 02:24:54,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 02:24:54,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:54,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:24:54,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:54,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536202116] [2025-03-09 02:24:54,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536202116] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:54,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018395724] [2025-03-09 02:24:54,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:54,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:54,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:54,748 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:54,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 02:24:54,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 02:24:54,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 02:24:54,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:54,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:54,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-09 02:24:54,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:24:55,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:55,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018395724] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:55,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:24:55,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:24:55,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542128414] [2025-03-09 02:24:55,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:55,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:24:55,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:55,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:24:55,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:24:55,528 INFO L87 Difference]: Start difference. First operand 363 states and 478 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-03-09 02:24:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:56,469 INFO L93 Difference]: Finished difference Result 645 states and 870 transitions. [2025-03-09 02:24:56,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-09 02:24:56,475 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 74 [2025-03-09 02:24:56,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:56,477 INFO L225 Difference]: With dead ends: 645 [2025-03-09 02:24:56,477 INFO L226 Difference]: Without dead ends: 640 [2025-03-09 02:24:56,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2025-03-09 02:24:56,480 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 413 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:56,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 260 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:24:56,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2025-03-09 02:24:56,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 490. [2025-03-09 02:24:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 407 states have (on average 1.2604422604422605) internal successors, (513), 421 states have internal predecessors, (513), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-03-09 02:24:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 647 transitions. [2025-03-09 02:24:56,517 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 647 transitions. Word has length 74 [2025-03-09 02:24:56,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:56,517 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 647 transitions. [2025-03-09 02:24:56,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-03-09 02:24:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 647 transitions. [2025-03-09 02:24:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:24:56,518 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:56,518 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:56,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:56,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:56,719 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:56,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:56,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1236330583, now seen corresponding path program 1 times [2025-03-09 02:24:56,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:56,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769932560] [2025-03-09 02:24:56,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:56,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:56,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:24:56,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:24:56,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:56,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:56,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597485217] [2025-03-09 02:24:56,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:56,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:56,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:56,734 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:56,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 02:24:56,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:24:56,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:24:56,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:56,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:56,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 02:24:56,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-03-09 02:24:56,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:57,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769932560] [2025-03-09 02:24:57,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:24:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597485217] [2025-03-09 02:24:57,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597485217] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:57,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:24:57,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:24:57,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216519053] [2025-03-09 02:24:57,336 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:57,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:24:57,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:57,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:24:57,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:24:57,337 INFO L87 Difference]: Start difference. First operand 490 states and 647 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-09 02:24:57,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:57,632 INFO L93 Difference]: Finished difference Result 510 states and 659 transitions. [2025-03-09 02:24:57,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:24:57,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 88 [2025-03-09 02:24:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:57,636 INFO L225 Difference]: With dead ends: 510 [2025-03-09 02:24:57,636 INFO L226 Difference]: Without dead ends: 395 [2025-03-09 02:24:57,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:24:57,638 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:57,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 150 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:24:57,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2025-03-09 02:24:57,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 393. [2025-03-09 02:24:57,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 322 states have (on average 1.2484472049689441) internal successors, (402), 336 states have internal predecessors, (402), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-03-09 02:24:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 512 transitions. [2025-03-09 02:24:57,682 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 512 transitions. Word has length 88 [2025-03-09 02:24:57,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:57,682 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 512 transitions. [2025-03-09 02:24:57,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-09 02:24:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 512 transitions. [2025-03-09 02:24:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-09 02:24:57,684 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:57,684 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:57,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-09 02:24:57,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:57,885 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:57,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:57,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1592251403, now seen corresponding path program 1 times [2025-03-09 02:24:57,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:57,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046510658] [2025-03-09 02:24:57,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:57,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:57,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-09 02:24:57,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-09 02:24:57,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:57,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-09 02:24:57,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046510658] [2025-03-09 02:24:57,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046510658] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:24:57,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:24:57,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:24:57,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137286997] [2025-03-09 02:24:57,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:24:57,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:24:57,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:57,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:24:57,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:24:57,935 INFO L87 Difference]: Start difference. First operand 393 states and 512 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:24:58,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:58,040 INFO L93 Difference]: Finished difference Result 395 states and 512 transitions. [2025-03-09 02:24:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:24:58,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2025-03-09 02:24:58,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:58,042 INFO L225 Difference]: With dead ends: 395 [2025-03-09 02:24:58,042 INFO L226 Difference]: Without dead ends: 364 [2025-03-09 02:24:58,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:24:58,043 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 22 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:58,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 175 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:24:58,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2025-03-09 02:24:58,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 362. [2025-03-09 02:24:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 296 states have (on average 1.2635135135135136) internal successors, (374), 309 states have internal predecessors, (374), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:24:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 476 transitions. [2025-03-09 02:24:58,064 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 476 transitions. Word has length 90 [2025-03-09 02:24:58,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:58,064 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 476 transitions. [2025-03-09 02:24:58,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:24:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 476 transitions. [2025-03-09 02:24:58,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-09 02:24:58,065 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:58,065 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2025-03-09 02:24:58,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 02:24:58,065 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:58,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:58,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1901115329, now seen corresponding path program 1 times [2025-03-09 02:24:58,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:58,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001750121] [2025-03-09 02:24:58,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:58,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:58,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:24:58,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:24:58,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:58,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:24:58,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:24:58,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001750121] [2025-03-09 02:24:58,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001750121] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:24:58,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053009511] [2025-03-09 02:24:58,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:24:58,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:58,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:58,126 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:58,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 02:24:58,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:24:58,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:24:58,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:24:58,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:58,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:24:58,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:24:58,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:24:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:24:58,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053009511] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:24:58,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:24:58,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-09 02:24:58,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626936977] [2025-03-09 02:24:58,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:24:58,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:24:58,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:24:58,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:24:58,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:24:58,292 INFO L87 Difference]: Start difference. First operand 362 states and 476 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-09 02:24:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:24:58,519 INFO L93 Difference]: Finished difference Result 741 states and 972 transitions. [2025-03-09 02:24:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:24:58,520 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 92 [2025-03-09 02:24:58,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:24:58,522 INFO L225 Difference]: With dead ends: 741 [2025-03-09 02:24:58,522 INFO L226 Difference]: Without dead ends: 739 [2025-03-09 02:24:58,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:24:58,523 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 262 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:24:58,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 310 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:24:58,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2025-03-09 02:24:58,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 500. [2025-03-09 02:24:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 410 states have (on average 1.2682926829268293) internal successors, (520), 423 states have internal predecessors, (520), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-09 02:24:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 670 transitions. [2025-03-09 02:24:58,554 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 670 transitions. Word has length 92 [2025-03-09 02:24:58,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:24:58,555 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 670 transitions. [2025-03-09 02:24:58,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-09 02:24:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 670 transitions. [2025-03-09 02:24:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-09 02:24:58,556 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:24:58,556 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:24:58,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-09 02:24:58,756 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,SelfDestructingSolverStorable24 [2025-03-09 02:24:58,757 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:24:58,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:24:58,757 INFO L85 PathProgramCache]: Analyzing trace with hash 225476861, now seen corresponding path program 2 times [2025-03-09 02:24:58,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:24:58,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221978012] [2025-03-09 02:24:58,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:24:58,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:24:58,764 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-09 02:24:58,775 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:24:58,776 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:24:58,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:24:58,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490697570] [2025-03-09 02:24:58,778 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:24:58,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:24:58,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:24:58,779 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:24:58,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-09 02:24:58,804 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-09 02:24:58,822 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:24:58,822 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:24:58,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:24:58,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:24:58,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:24:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:24:59,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:04,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:04,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221978012] [2025-03-09 02:25:04,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:04,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490697570] [2025-03-09 02:25:04,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490697570] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:04,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:25:04,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:25:04,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411834995] [2025-03-09 02:25:04,038 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:04,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:25:04,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:04,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:25:04,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2025-03-09 02:25:04,040 INFO L87 Difference]: Start difference. First operand 500 states and 670 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-03-09 02:25:04,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:04,483 INFO L93 Difference]: Finished difference Result 523 states and 699 transitions. [2025-03-09 02:25:04,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:25:04,483 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 96 [2025-03-09 02:25:04,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:04,485 INFO L225 Difference]: With dead ends: 523 [2025-03-09 02:25:04,485 INFO L226 Difference]: Without dead ends: 522 [2025-03-09 02:25:04,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=62, Invalid=243, Unknown=1, NotChecked=0, Total=306 [2025-03-09 02:25:04,486 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:04,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 245 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:25:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-03-09 02:25:04,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 500. [2025-03-09 02:25:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 410 states have (on average 1.2658536585365854) internal successors, (519), 423 states have internal predecessors, (519), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-09 02:25:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 669 transitions. [2025-03-09 02:25:04,513 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 669 transitions. Word has length 96 [2025-03-09 02:25:04,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:04,513 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 669 transitions. [2025-03-09 02:25:04,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-03-09 02:25:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 669 transitions. [2025-03-09 02:25:04,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-09 02:25:04,514 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:04,514 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:04,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:04,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-09 02:25:04,717 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:04,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:04,717 INFO L85 PathProgramCache]: Analyzing trace with hash 564981543, now seen corresponding path program 2 times [2025-03-09 02:25:04,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:04,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307898255] [2025-03-09 02:25:04,718 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:04,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:04,722 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-03-09 02:25:04,727 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 02:25:04,727 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:25:04,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:04,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:04,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307898255] [2025-03-09 02:25:04,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307898255] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:04,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027847702] [2025-03-09 02:25:04,822 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:04,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:04,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:04,824 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:04,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-09 02:25:04,849 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-03-09 02:25:04,868 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 02:25:04,868 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:25:04,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:04,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:25:04,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:04,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:05,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027847702] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:25:05,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:25:05,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2025-03-09 02:25:05,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563776761] [2025-03-09 02:25:05,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:05,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:25:05,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:05,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:25:05,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:25:05,047 INFO L87 Difference]: Start difference. First operand 500 states and 669 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-03-09 02:25:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:05,151 INFO L93 Difference]: Finished difference Result 509 states and 675 transitions. [2025-03-09 02:25:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:25:05,152 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 110 [2025-03-09 02:25:05,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:05,154 INFO L225 Difference]: With dead ends: 509 [2025-03-09 02:25:05,154 INFO L226 Difference]: Without dead ends: 502 [2025-03-09 02:25:05,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:25:05,155 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 41 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:05,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 237 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:25:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2025-03-09 02:25:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 500. [2025-03-09 02:25:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 410 states have (on average 1.2560975609756098) internal successors, (515), 423 states have internal predecessors, (515), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-09 02:25:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 665 transitions. [2025-03-09 02:25:05,181 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 665 transitions. Word has length 110 [2025-03-09 02:25:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:05,181 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 665 transitions. [2025-03-09 02:25:05,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-03-09 02:25:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 665 transitions. [2025-03-09 02:25:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-09 02:25:05,182 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:05,182 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2025-03-09 02:25:05,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-09 02:25:05,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-09 02:25:05,386 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:05,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:05,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1588417745, now seen corresponding path program 2 times [2025-03-09 02:25:05,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:05,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17311968] [2025-03-09 02:25:05,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:05,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:05,390 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-09 02:25:05,391 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 112 statements. [2025-03-09 02:25:05,391 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 02:25:05,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2025-03-09 02:25:05,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:05,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17311968] [2025-03-09 02:25:05,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17311968] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:05,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966051900] [2025-03-09 02:25:05,427 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:05,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:05,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:05,429 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:05,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-09 02:25:05,453 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-09 02:25:05,458 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 112 statements. [2025-03-09 02:25:05,459 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 02:25:05,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:05,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:25:05,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2025-03-09 02:25:05,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2025-03-09 02:25:05,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966051900] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:25:05,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:25:05,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-09 02:25:05,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682407594] [2025-03-09 02:25:05,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:05,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:25:05,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:05,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:25:05,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:25:05,636 INFO L87 Difference]: Start difference. First operand 500 states and 665 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:25:05,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:05,821 INFO L93 Difference]: Finished difference Result 598 states and 815 transitions. [2025-03-09 02:25:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:25:05,822 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 112 [2025-03-09 02:25:05,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:05,824 INFO L225 Difference]: With dead ends: 598 [2025-03-09 02:25:05,824 INFO L226 Difference]: Without dead ends: 596 [2025-03-09 02:25:05,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:25:05,826 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 136 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:05,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 242 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:25:05,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2025-03-09 02:25:05,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 402. [2025-03-09 02:25:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 326 states have (on average 1.2177914110429449) internal successors, (397), 337 states have internal predecessors, (397), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-03-09 02:25:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 523 transitions. [2025-03-09 02:25:05,865 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 523 transitions. Word has length 112 [2025-03-09 02:25:05,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:05,865 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 523 transitions. [2025-03-09 02:25:05,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:25:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 523 transitions. [2025-03-09 02:25:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-09 02:25:05,866 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:05,866 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:05,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:06,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:06,067 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:06,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2033206665, now seen corresponding path program 1 times [2025-03-09 02:25:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:06,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012460264] [2025-03-09 02:25:06,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:06,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:06,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-09 02:25:06,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-09 02:25:06,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:06,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:06,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:06,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012460264] [2025-03-09 02:25:06,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012460264] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:06,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13396576] [2025-03-09 02:25:06,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:06,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:06,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:06,221 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:06,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-09 02:25:06,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-09 02:25:06,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-09 02:25:06,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:06,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:06,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:25:06,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:06,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:06,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13396576] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:25:06,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:25:06,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-03-09 02:25:06,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097267256] [2025-03-09 02:25:06,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:06,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-09 02:25:06,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:06,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-09 02:25:06,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2025-03-09 02:25:06,814 INFO L87 Difference]: Start difference. First operand 402 states and 523 transitions. Second operand has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 22 states have internal predecessors, (142), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-03-09 02:25:07,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:07,362 INFO L93 Difference]: Finished difference Result 542 states and 705 transitions. [2025-03-09 02:25:07,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 02:25:07,363 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 22 states have internal predecessors, (142), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 112 [2025-03-09 02:25:07,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:07,365 INFO L225 Difference]: With dead ends: 542 [2025-03-09 02:25:07,365 INFO L226 Difference]: Without dead ends: 457 [2025-03-09 02:25:07,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2025-03-09 02:25:07,366 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 748 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:07,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 401 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:25:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-03-09 02:25:07,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 396. [2025-03-09 02:25:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 318 states have (on average 1.2452830188679245) internal successors, (396), 329 states have internal predecessors, (396), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-03-09 02:25:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 526 transitions. [2025-03-09 02:25:07,394 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 526 transitions. Word has length 112 [2025-03-09 02:25:07,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:07,394 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 526 transitions. [2025-03-09 02:25:07,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 22 states have internal predecessors, (142), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-03-09 02:25:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 526 transitions. [2025-03-09 02:25:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-09 02:25:07,396 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:07,396 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:07,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:07,597 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,SelfDestructingSolverStorable28 [2025-03-09 02:25:07,597 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:07,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:07,598 INFO L85 PathProgramCache]: Analyzing trace with hash 729663999, now seen corresponding path program 1 times [2025-03-09 02:25:07,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:07,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661690371] [2025-03-09 02:25:07,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:07,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:07,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-09 02:25:07,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-09 02:25:07,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:07,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2025-03-09 02:25:07,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:07,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661690371] [2025-03-09 02:25:07,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661690371] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:07,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94078736] [2025-03-09 02:25:07,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:07,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:07,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:07,749 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:07,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-09 02:25:07,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-09 02:25:07,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-09 02:25:07,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:07,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:07,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:25:07,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:07,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:09,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94078736] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:25:09,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:25:09,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2025-03-09 02:25:09,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347217995] [2025-03-09 02:25:09,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:09,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-09 02:25:09,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:09,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-09 02:25:09,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:25:09,889 INFO L87 Difference]: Start difference. First operand 396 states and 526 transitions. Second operand has 21 states, 20 states have (on average 7.4) internal successors, (148), 21 states have internal predecessors, (148), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-03-09 02:25:10,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:10,210 INFO L93 Difference]: Finished difference Result 523 states and 707 transitions. [2025-03-09 02:25:10,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:25:10,210 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.4) internal successors, (148), 21 states have internal predecessors, (148), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 117 [2025-03-09 02:25:10,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:10,212 INFO L225 Difference]: With dead ends: 523 [2025-03-09 02:25:10,212 INFO L226 Difference]: Without dead ends: 522 [2025-03-09 02:25:10,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:25:10,213 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 249 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:10,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 299 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:25:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-03-09 02:25:10,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 395. [2025-03-09 02:25:10,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 318 states have (on average 1.2358490566037736) internal successors, (393), 328 states have internal predecessors, (393), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-03-09 02:25:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 523 transitions. [2025-03-09 02:25:10,240 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 523 transitions. Word has length 117 [2025-03-09 02:25:10,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:10,240 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 523 transitions. [2025-03-09 02:25:10,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.4) internal successors, (148), 21 states have internal predecessors, (148), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-03-09 02:25:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 523 transitions. [2025-03-09 02:25:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-09 02:25:10,241 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:10,241 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:10,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:10,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:10,442 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:10,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:10,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1000388557, now seen corresponding path program 3 times [2025-03-09 02:25:10,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:10,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247975913] [2025-03-09 02:25:10,442 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:25:10,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:10,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 118 statements into 9 equivalence classes. [2025-03-09 02:25:10,480 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:25:10,480 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-03-09 02:25:10,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:25:10,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969557827] [2025-03-09 02:25:10,481 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:25:10,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:10,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:10,483 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:10,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-09 02:25:10,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 118 statements into 9 equivalence classes. [2025-03-09 02:25:10,518 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 40 of 118 statements. [2025-03-09 02:25:10,518 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-09 02:25:10,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:10,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-09 02:25:10,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2025-03-09 02:25:10,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:24,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:24,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247975913] [2025-03-09 02:25:24,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:24,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969557827] [2025-03-09 02:25:24,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969557827] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:24,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:25:24,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:25:24,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163927089] [2025-03-09 02:25:24,500 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:24,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:25:24,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:24,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:25:24,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=243, Unknown=2, NotChecked=0, Total=306 [2025-03-09 02:25:24,500 INFO L87 Difference]: Start difference. First operand 395 states and 523 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:25:24,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:24,982 INFO L93 Difference]: Finished difference Result 410 states and 537 transitions. [2025-03-09 02:25:24,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:25:24,983 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 118 [2025-03-09 02:25:24,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:24,984 INFO L225 Difference]: With dead ends: 410 [2025-03-09 02:25:24,984 INFO L226 Difference]: Without dead ends: 409 [2025-03-09 02:25:24,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=160, Invalid=540, Unknown=2, NotChecked=0, Total=702 [2025-03-09 02:25:24,984 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 139 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:24,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 99 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:25:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-03-09 02:25:25,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 395. [2025-03-09 02:25:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 318 states have (on average 1.2232704402515724) internal successors, (389), 328 states have internal predecessors, (389), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-03-09 02:25:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 519 transitions. [2025-03-09 02:25:25,025 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 519 transitions. Word has length 118 [2025-03-09 02:25:25,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:25,025 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 519 transitions. [2025-03-09 02:25:25,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:25:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 519 transitions. [2025-03-09 02:25:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-09 02:25:25,026 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:25,026 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:25,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:25,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:25,226 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:25,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:25,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1144747472, now seen corresponding path program 1 times [2025-03-09 02:25:25,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:25,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237269870] [2025-03-09 02:25:25,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:25,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:25,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-09 02:25:25,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:25:25,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:25,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:25,416 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:25,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:25,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237269870] [2025-03-09 02:25:25,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237269870] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:25,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164259384] [2025-03-09 02:25:25,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:25,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:25,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:25,418 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:25,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-09 02:25:25,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-09 02:25:25,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:25:25,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:25,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:25,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:25:25,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:25,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:26,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164259384] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:25:26,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:25:26,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-03-09 02:25:26,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219275754] [2025-03-09 02:25:26,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:26,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-09 02:25:26,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:26,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-09 02:25:26,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-03-09 02:25:26,837 INFO L87 Difference]: Start difference. First operand 395 states and 519 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-03-09 02:25:27,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:27,967 INFO L93 Difference]: Finished difference Result 642 states and 825 transitions. [2025-03-09 02:25:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:25:27,968 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 118 [2025-03-09 02:25:27,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:27,970 INFO L225 Difference]: With dead ends: 642 [2025-03-09 02:25:27,970 INFO L226 Difference]: Without dead ends: 641 [2025-03-09 02:25:27,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2025-03-09 02:25:27,970 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 334 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:27,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 485 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 02:25:27,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2025-03-09 02:25:28,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 530. [2025-03-09 02:25:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 437 states have (on average 1.2173913043478262) internal successors, (532), 447 states have internal predecessors, (532), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-03-09 02:25:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 694 transitions. [2025-03-09 02:25:28,018 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 694 transitions. Word has length 118 [2025-03-09 02:25:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:28,018 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 694 transitions. [2025-03-09 02:25:28,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-03-09 02:25:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 694 transitions. [2025-03-09 02:25:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-09 02:25:28,021 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:28,022 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:28,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:28,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:28,222 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:28,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:28,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1127433279, now seen corresponding path program 2 times [2025-03-09 02:25:28,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:28,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941658466] [2025-03-09 02:25:28,223 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:28,227 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-03-09 02:25:28,245 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 119 of 119 statements. [2025-03-09 02:25:28,245 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:25:28,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:25:28,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1677924573] [2025-03-09 02:25:28,246 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:28,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:28,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:28,248 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:28,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-09 02:25:28,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-03-09 02:25:28,281 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 119 statements. [2025-03-09 02:25:28,282 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 02:25:28,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:28,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:25:28,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-09 02:25:28,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:25:28,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:28,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941658466] [2025-03-09 02:25:28,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:28,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677924573] [2025-03-09 02:25:28,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677924573] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:25:28,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:25:28,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:25:28,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141007458] [2025-03-09 02:25:28,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:25:28,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:25:28,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:28,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:25:28,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:25:28,386 INFO L87 Difference]: Start difference. First operand 530 states and 694 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:25:28,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:28,501 INFO L93 Difference]: Finished difference Result 530 states and 694 transitions. [2025-03-09 02:25:28,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:25:28,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 119 [2025-03-09 02:25:28,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:28,503 INFO L225 Difference]: With dead ends: 530 [2025-03-09 02:25:28,503 INFO L226 Difference]: Without dead ends: 529 [2025-03-09 02:25:28,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:25:28,504 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 49 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:28,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 77 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:25:28,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2025-03-09 02:25:28,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 501. [2025-03-09 02:25:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 413 states have (on average 1.1864406779661016) internal successors, (490), 422 states have internal predecessors, (490), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-09 02:25:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 644 transitions. [2025-03-09 02:25:28,548 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 644 transitions. Word has length 119 [2025-03-09 02:25:28,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:28,549 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 644 transitions. [2025-03-09 02:25:28,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:25:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 644 transitions. [2025-03-09 02:25:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-09 02:25:28,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:28,550 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:28,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:28,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:28,751 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:28,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:28,751 INFO L85 PathProgramCache]: Analyzing trace with hash 720572812, now seen corresponding path program 4 times [2025-03-09 02:25:28,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:28,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316680195] [2025-03-09 02:25:28,751 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 02:25:28,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:28,756 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-03-09 02:25:28,768 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:25:28,768 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 02:25:28,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:25:28,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:28,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316680195] [2025-03-09 02:25:28,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316680195] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:28,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768097255] [2025-03-09 02:25:28,954 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 02:25:28,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:28,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:28,955 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:28,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-09 02:25:28,980 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-03-09 02:25:29,006 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:25:29,006 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 02:25:29,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:29,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:25:29,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 58 proven. 26 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-09 02:25:29,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:42,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768097255] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:42,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:25:42,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 23 [2025-03-09 02:25:42,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356903969] [2025-03-09 02:25:42,678 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:42,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-09 02:25:42,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:42,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-09 02:25:42,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=714, Unknown=3, NotChecked=0, Total=812 [2025-03-09 02:25:42,680 INFO L87 Difference]: Start difference. First operand 501 states and 644 transitions. Second operand has 24 states, 23 states have (on average 5.173913043478261) internal successors, (119), 24 states have internal predecessors, (119), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-03-09 02:25:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:44,852 INFO L93 Difference]: Finished difference Result 837 states and 1076 transitions. [2025-03-09 02:25:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-03-09 02:25:44,852 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.173913043478261) internal successors, (119), 24 states have internal predecessors, (119), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 122 [2025-03-09 02:25:44,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:44,855 INFO L225 Difference]: With dead ends: 837 [2025-03-09 02:25:44,855 INFO L226 Difference]: Without dead ends: 831 [2025-03-09 02:25:44,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=769, Invalid=4340, Unknown=3, NotChecked=0, Total=5112 [2025-03-09 02:25:44,857 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 687 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:44,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 401 Invalid, 1789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1634 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-09 02:25:44,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2025-03-09 02:25:44,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 620. [2025-03-09 02:25:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 522 states have (on average 1.185823754789272) internal successors, (619), 531 states have internal predecessors, (619), 87 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-09 02:25:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 793 transitions. [2025-03-09 02:25:44,917 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 793 transitions. Word has length 122 [2025-03-09 02:25:44,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:44,917 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 793 transitions. [2025-03-09 02:25:44,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.173913043478261) internal successors, (119), 24 states have internal predecessors, (119), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-03-09 02:25:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 793 transitions. [2025-03-09 02:25:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-09 02:25:44,918 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:44,918 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:44,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-09 02:25:45,119 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,SelfDestructingSolverStorable33 [2025-03-09 02:25:45,119 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:45,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:45,119 INFO L85 PathProgramCache]: Analyzing trace with hash 274993710, now seen corresponding path program 1 times [2025-03-09 02:25:45,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:45,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665291458] [2025-03-09 02:25:45,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:45,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:45,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:25:45,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:25:45,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:45,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:25:45,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142495352] [2025-03-09 02:25:45,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:45,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:45,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:45,135 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:45,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-09 02:25:45,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:25:45,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:25:45,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:45,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:45,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:25:45,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2025-03-09 02:25:45,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:25:45,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:45,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665291458] [2025-03-09 02:25:45,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:45,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142495352] [2025-03-09 02:25:45,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142495352] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:25:45,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:25:45,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:25:45,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831129830] [2025-03-09 02:25:45,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:25:45,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:25:45,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:45,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:25:45,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:25:45,296 INFO L87 Difference]: Start difference. First operand 620 states and 793 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:25:45,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:45,356 INFO L93 Difference]: Finished difference Result 620 states and 793 transitions. [2025-03-09 02:25:45,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:25:45,356 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 125 [2025-03-09 02:25:45,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:45,358 INFO L225 Difference]: With dead ends: 620 [2025-03-09 02:25:45,358 INFO L226 Difference]: Without dead ends: 618 [2025-03-09 02:25:45,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:25:45,358 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 24 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:45,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 61 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:25:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-09 02:25:45,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 480. [2025-03-09 02:25:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 400 states have (on average 1.1525) internal successors, (461), 407 states have internal predecessors, (461), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-09 02:25:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 603 transitions. [2025-03-09 02:25:45,402 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 603 transitions. Word has length 125 [2025-03-09 02:25:45,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:45,402 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 603 transitions. [2025-03-09 02:25:45,402 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:25:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 603 transitions. [2025-03-09 02:25:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-09 02:25:45,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:45,403 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:45,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-09 02:25:45,604 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,SelfDestructingSolverStorable34 [2025-03-09 02:25:45,604 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:45,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:45,604 INFO L85 PathProgramCache]: Analyzing trace with hash -555045125, now seen corresponding path program 1 times [2025-03-09 02:25:45,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:45,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873737988] [2025-03-09 02:25:45,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:45,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:45,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-09 02:25:45,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-09 02:25:45,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:45,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:25:45,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103660558] [2025-03-09 02:25:45,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:45,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:45,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:45,621 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:45,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-09 02:25:45,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-09 02:25:45,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-09 02:25:45,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:45,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:45,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-09 02:25:45,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-03-09 02:25:46,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:46,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:46,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873737988] [2025-03-09 02:25:46,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:46,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103660558] [2025-03-09 02:25:46,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103660558] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:46,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:25:46,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:25:46,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665330805] [2025-03-09 02:25:46,292 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:46,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:25:46,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:46,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:25:46,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:25:46,293 INFO L87 Difference]: Start difference. First operand 480 states and 603 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-09 02:25:46,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:46,734 INFO L93 Difference]: Finished difference Result 484 states and 607 transitions. [2025-03-09 02:25:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:25:46,734 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 132 [2025-03-09 02:25:46,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:46,736 INFO L225 Difference]: With dead ends: 484 [2025-03-09 02:25:46,736 INFO L226 Difference]: Without dead ends: 483 [2025-03-09 02:25:46,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:25:46,736 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 15 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:46,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 191 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:25:46,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-03-09 02:25:46,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2025-03-09 02:25:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 401 states have (on average 1.1521197007481296) internal successors, (462), 408 states have internal predecessors, (462), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-09 02:25:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 604 transitions. [2025-03-09 02:25:46,773 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 604 transitions. Word has length 132 [2025-03-09 02:25:46,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:46,773 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 604 transitions. [2025-03-09 02:25:46,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-09 02:25:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 604 transitions. [2025-03-09 02:25:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-09 02:25:46,774 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:46,774 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:46,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:46,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-09 02:25:46,975 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:46,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash -26529712, now seen corresponding path program 1 times [2025-03-09 02:25:46,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:46,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651088770] [2025-03-09 02:25:46,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:46,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:46,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 02:25:46,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 02:25:46,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:46,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:25:46,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611004790] [2025-03-09 02:25:46,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:46,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:46,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:46,996 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:46,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-09 02:25:47,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 02:25:47,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 02:25:47,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:47,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:47,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-09 02:25:47,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-03-09 02:25:47,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:47,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:47,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651088770] [2025-03-09 02:25:47,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:47,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611004790] [2025-03-09 02:25:47,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611004790] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:47,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:25:47,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-03-09 02:25:47,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279243597] [2025-03-09 02:25:47,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:47,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:25:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:47,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:25:47,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:25:47,704 INFO L87 Difference]: Start difference. First operand 481 states and 604 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-09 02:25:48,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:48,152 INFO L93 Difference]: Finished difference Result 489 states and 611 transitions. [2025-03-09 02:25:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 02:25:48,153 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 133 [2025-03-09 02:25:48,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:48,155 INFO L225 Difference]: With dead ends: 489 [2025-03-09 02:25:48,155 INFO L226 Difference]: Without dead ends: 484 [2025-03-09 02:25:48,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:25:48,155 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 32 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:48,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 275 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:25:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-09 02:25:48,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 481. [2025-03-09 02:25:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 401 states have (on average 1.14713216957606) internal successors, (460), 408 states have internal predecessors, (460), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-09 02:25:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 602 transitions. [2025-03-09 02:25:48,201 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 602 transitions. Word has length 133 [2025-03-09 02:25:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:48,201 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 602 transitions. [2025-03-09 02:25:48,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-09 02:25:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 602 transitions. [2025-03-09 02:25:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-09 02:25:48,202 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:48,202 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:48,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-09 02:25:48,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:48,403 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:48,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:48,403 INFO L85 PathProgramCache]: Analyzing trace with hash 285464950, now seen corresponding path program 3 times [2025-03-09 02:25:48,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:48,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470154676] [2025-03-09 02:25:48,403 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:25:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:48,407 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 9 equivalence classes. [2025-03-09 02:25:48,431 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 136 of 136 statements. [2025-03-09 02:25:48,431 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-03-09 02:25:48,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:25:48,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188289261] [2025-03-09 02:25:48,432 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:25:48,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:48,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:48,438 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:48,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-09 02:25:48,467 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 9 equivalence classes. [2025-03-09 02:25:48,480 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 54 of 136 statements. [2025-03-09 02:25:48,480 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:25:48,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:48,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:25:48,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2025-03-09 02:25:48,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:48,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:48,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470154676] [2025-03-09 02:25:48,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:48,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188289261] [2025-03-09 02:25:48,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188289261] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:48,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:25:48,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:25:48,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929527154] [2025-03-09 02:25:48,815 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:48,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:25:48,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:48,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:25:48,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:25:48,816 INFO L87 Difference]: Start difference. First operand 481 states and 602 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:25:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:49,035 INFO L93 Difference]: Finished difference Result 483 states and 604 transitions. [2025-03-09 02:25:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:25:49,035 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 136 [2025-03-09 02:25:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:49,037 INFO L225 Difference]: With dead ends: 483 [2025-03-09 02:25:49,037 INFO L226 Difference]: Without dead ends: 482 [2025-03-09 02:25:49,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:25:49,038 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 72 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:49,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 79 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:25:49,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-03-09 02:25:49,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 480. [2025-03-09 02:25:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 401 states have (on average 1.14214463840399) internal successors, (458), 407 states have internal predecessors, (458), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-09 02:25:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 600 transitions. [2025-03-09 02:25:49,085 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 600 transitions. Word has length 136 [2025-03-09 02:25:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:49,085 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 600 transitions. [2025-03-09 02:25:49,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:25:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 600 transitions. [2025-03-09 02:25:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-09 02:25:49,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:49,087 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:49,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-09 02:25:49,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-03-09 02:25:49,291 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:49,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:49,291 INFO L85 PathProgramCache]: Analyzing trace with hash 259478837, now seen corresponding path program 1 times [2025-03-09 02:25:49,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:49,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233657446] [2025-03-09 02:25:49,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:49,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:49,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-09 02:25:49,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-09 02:25:49,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:49,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:25:49,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260825225] [2025-03-09 02:25:49,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:49,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:49,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:49,307 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:49,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-09 02:25:49,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-09 02:25:49,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-09 02:25:49,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:49,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:49,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-09 02:25:49,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-03-09 02:25:49,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:50,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:50,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233657446] [2025-03-09 02:25:50,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:25:50,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260825225] [2025-03-09 02:25:50,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260825225] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:50,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:25:50,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-03-09 02:25:50,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387570212] [2025-03-09 02:25:50,437 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:50,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-09 02:25:50,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:50,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-09 02:25:50,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:25:50,438 INFO L87 Difference]: Start difference. First operand 480 states and 600 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-09 02:25:51,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:51,029 INFO L93 Difference]: Finished difference Result 483 states and 602 transitions. [2025-03-09 02:25:51,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 02:25:51,029 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 137 [2025-03-09 02:25:51,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:51,031 INFO L225 Difference]: With dead ends: 483 [2025-03-09 02:25:51,031 INFO L226 Difference]: Without dead ends: 480 [2025-03-09 02:25:51,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2025-03-09 02:25:51,032 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 34 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:51,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 302 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:25:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2025-03-09 02:25:51,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 478. [2025-03-09 02:25:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 399 states have (on average 1.1403508771929824) internal successors, (455), 405 states have internal predecessors, (455), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-09 02:25:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 597 transitions. [2025-03-09 02:25:51,078 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 597 transitions. Word has length 137 [2025-03-09 02:25:51,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:51,078 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 597 transitions. [2025-03-09 02:25:51,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-09 02:25:51,078 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 597 transitions. [2025-03-09 02:25:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-09 02:25:51,079 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:51,079 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-03-09 02:25:51,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-09 02:25:51,281 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,SelfDestructingSolverStorable38 [2025-03-09 02:25:51,281 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:51,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1852046208, now seen corresponding path program 2 times [2025-03-09 02:25:51,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:51,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081097381] [2025-03-09 02:25:51,283 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:51,288 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-03-09 02:25:51,293 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 155 of 155 statements. [2025-03-09 02:25:51,293 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:25:51,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:25:51,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:51,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081097381] [2025-03-09 02:25:51,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081097381] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:51,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575009116] [2025-03-09 02:25:51,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:25:51,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:51,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:51,438 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:51,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-09 02:25:51,468 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-03-09 02:25:51,496 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 155 of 155 statements. [2025-03-09 02:25:51,496 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:25:51,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:51,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:25:51,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:25:51,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 48 proven. 32 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:25:51,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575009116] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:25:51,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:25:51,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 6] total 16 [2025-03-09 02:25:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823792392] [2025-03-09 02:25:51,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:51,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:25:51,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:51,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:25:51,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:25:51,871 INFO L87 Difference]: Start difference. First operand 478 states and 597 transitions. Second operand has 16 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-03-09 02:25:52,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:52,126 INFO L93 Difference]: Finished difference Result 542 states and 673 transitions. [2025-03-09 02:25:52,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:25:52,126 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) Word has length 155 [2025-03-09 02:25:52,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:52,128 INFO L225 Difference]: With dead ends: 542 [2025-03-09 02:25:52,128 INFO L226 Difference]: Without dead ends: 536 [2025-03-09 02:25:52,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 296 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:25:52,128 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 85 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:52,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 268 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:25:52,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-03-09 02:25:52,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 510. [2025-03-09 02:25:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 425 states have (on average 1.131764705882353) internal successors, (481), 431 states have internal predecessors, (481), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-09 02:25:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 635 transitions. [2025-03-09 02:25:52,170 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 635 transitions. Word has length 155 [2025-03-09 02:25:52,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:52,171 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 635 transitions. [2025-03-09 02:25:52,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-03-09 02:25:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 635 transitions. [2025-03-09 02:25:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-09 02:25:52,172 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:52,172 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:52,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-09 02:25:52,376 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,SelfDestructingSolverStorable39 [2025-03-09 02:25:52,376 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:52,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:52,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1858097178, now seen corresponding path program 1 times [2025-03-09 02:25:52,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:52,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169898015] [2025-03-09 02:25:52,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:52,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:52,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-09 02:25:52,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-09 02:25:52,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:52,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 37 proven. 54 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:25:52,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:52,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169898015] [2025-03-09 02:25:52,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169898015] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:52,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243774560] [2025-03-09 02:25:52,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:52,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:52,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:52,611 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:25:52,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-09 02:25:52,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-09 02:25:52,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-09 02:25:52,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:52,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:52,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 02:25:52,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:25:53,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:53,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243774560] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:53,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:25:53,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 18 [2025-03-09 02:25:53,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202020573] [2025-03-09 02:25:53,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:53,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-09 02:25:53,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:53,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-09 02:25:53,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:25:53,212 INFO L87 Difference]: Start difference. First operand 510 states and 635 transitions. Second operand has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-03-09 02:25:53,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:53,680 INFO L93 Difference]: Finished difference Result 560 states and 692 transitions. [2025-03-09 02:25:53,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:25:53,681 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 157 [2025-03-09 02:25:53,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:53,682 INFO L225 Difference]: With dead ends: 560 [2025-03-09 02:25:53,682 INFO L226 Difference]: Without dead ends: 329 [2025-03-09 02:25:53,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2025-03-09 02:25:53,683 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:53,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 360 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:25:53,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-03-09 02:25:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2025-03-09 02:25:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 266 states have (on average 1.105263157894737) internal successors, (294), 272 states have internal predecessors, (294), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-03-09 02:25:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 404 transitions. [2025-03-09 02:25:53,713 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 404 transitions. Word has length 157 [2025-03-09 02:25:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:53,713 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 404 transitions. [2025-03-09 02:25:53,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-03-09 02:25:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 404 transitions. [2025-03-09 02:25:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-09 02:25:53,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:53,714 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-03-09 02:25:53,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-03-09 02:25:53,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:53,915 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:53,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:53,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1516830839, now seen corresponding path program 1 times [2025-03-09 02:25:53,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:53,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397032242] [2025-03-09 02:25:53,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:53,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:53,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-09 02:25:53,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-09 02:25:53,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:53,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 26 proven. 60 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:25:54,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:54,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397032242] [2025-03-09 02:25:54,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397032242] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:54,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662888680] [2025-03-09 02:25:54,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:54,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:54,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:54,053 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) [2025-03-09 02:25:54,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-09 02:25:54,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-09 02:25:54,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-09 02:25:54,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:54,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:54,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:25:54,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:54,171 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2025-03-09 02:25:54,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:25:54,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662888680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:25:54,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:25:54,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2025-03-09 02:25:54,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451174855] [2025-03-09 02:25:54,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:25:54,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:25:54,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:54,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:25:54,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:25:54,172 INFO L87 Difference]: Start difference. First operand 329 states and 404 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:25:54,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:25:54,235 INFO L93 Difference]: Finished difference Result 329 states and 404 transitions. [2025-03-09 02:25:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:25:54,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 158 [2025-03-09 02:25:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:25:54,236 INFO L225 Difference]: With dead ends: 329 [2025-03-09 02:25:54,236 INFO L226 Difference]: Without dead ends: 328 [2025-03-09 02:25:54,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:25:54,237 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 26 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:25:54,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 83 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:25:54,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-03-09 02:25:54,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 318. [2025-03-09 02:25:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 258 states have (on average 1.0968992248062015) internal successors, (283), 263 states have internal predecessors, (283), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-03-09 02:25:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2025-03-09 02:25:54,268 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 158 [2025-03-09 02:25:54,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:25:54,268 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2025-03-09 02:25:54,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:25:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2025-03-09 02:25:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-09 02:25:54,269 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:25:54,269 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:25:54,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-03-09 02:25:54,470 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,SelfDestructingSolverStorable41 [2025-03-09 02:25:54,470 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:25:54,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:25:54,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2110480500, now seen corresponding path program 1 times [2025-03-09 02:25:54,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:25:54,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826048102] [2025-03-09 02:25:54,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:54,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:25:54,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-09 02:25:54,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-09 02:25:54,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:54,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:25:54,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:25:54,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826048102] [2025-03-09 02:25:54,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826048102] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:25:54,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440662133] [2025-03-09 02:25:54,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:25:54,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:25:54,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:25:54,741 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) [2025-03-09 02:25:54,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-09 02:25:54,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-09 02:25:54,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-09 02:25:54,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:25:54,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:25:54,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-09 02:25:54,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:25:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:25:55,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:25:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:25:58,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440662133] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:25:58,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:25:58,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2025-03-09 02:25:58,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621886096] [2025-03-09 02:25:58,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:25:58,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-09 02:25:58,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:25:58,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-09 02:25:58,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2025-03-09 02:25:58,093 INFO L87 Difference]: Start difference. First operand 318 states and 389 transitions. Second operand has 30 states, 29 states have (on average 7.344827586206897) internal successors, (213), 30 states have internal predecessors, (213), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2025-03-09 02:26:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:26:01,470 INFO L93 Difference]: Finished difference Result 947 states and 1149 transitions. [2025-03-09 02:26:01,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-09 02:26:01,470 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.344827586206897) internal successors, (213), 30 states have internal predecessors, (213), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 162 [2025-03-09 02:26:01,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:26:01,473 INFO L225 Difference]: With dead ends: 947 [2025-03-09 02:26:01,473 INFO L226 Difference]: Without dead ends: 873 [2025-03-09 02:26:01,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1154, Invalid=2038, Unknown=0, NotChecked=0, Total=3192 [2025-03-09 02:26:01,474 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 699 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:26:01,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 772 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-09 02:26:01,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2025-03-09 02:26:01,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 627. [2025-03-09 02:26:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 525 states have (on average 1.1028571428571428) internal successors, (579), 530 states have internal predecessors, (579), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2025-03-09 02:26:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 769 transitions. [2025-03-09 02:26:01,566 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 769 transitions. Word has length 162 [2025-03-09 02:26:01,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:26:01,566 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 769 transitions. [2025-03-09 02:26:01,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.344827586206897) internal successors, (213), 30 states have internal predecessors, (213), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2025-03-09 02:26:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 769 transitions. [2025-03-09 02:26:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-03-09 02:26:01,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:26:01,567 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-09 02:26:01,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-03-09 02:26:01,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:26:01,768 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:26:01,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:26:01,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1186579951, now seen corresponding path program 1 times [2025-03-09 02:26:01,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:26:01,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626411597] [2025-03-09 02:26:01,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:26:01,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:26:01,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-09 02:26:01,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-09 02:26:01,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:26:01,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:26:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:26:02,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:26:02,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626411597] [2025-03-09 02:26:02,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626411597] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:26:02,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237589349] [2025-03-09 02:26:02,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:26:02,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:26:02,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:26:02,146 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) [2025-03-09 02:26:02,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-09 02:26:02,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-09 02:26:02,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-09 02:26:02,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:26:02,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:26:02,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 02:26:02,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:26:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:26:02,479 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:26:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:26:04,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237589349] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:26:04,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:26:04,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 33 [2025-03-09 02:26:04,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553627379] [2025-03-09 02:26:04,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:26:04,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-09 02:26:04,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:26:04,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-09 02:26:04,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 02:26:04,456 INFO L87 Difference]: Start difference. First operand 627 states and 769 transitions. Second operand has 34 states, 33 states have (on average 6.484848484848484) internal successors, (214), 34 states have internal predecessors, (214), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2025-03-09 02:26:07,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:26:07,391 INFO L93 Difference]: Finished difference Result 1125 states and 1401 transitions. [2025-03-09 02:26:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-09 02:26:07,391 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.484848484848484) internal successors, (214), 34 states have internal predecessors, (214), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) Word has length 164 [2025-03-09 02:26:07,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:26:07,401 INFO L225 Difference]: With dead ends: 1125 [2025-03-09 02:26:07,402 INFO L226 Difference]: Without dead ends: 1124 [2025-03-09 02:26:07,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=990, Invalid=3042, Unknown=0, NotChecked=0, Total=4032 [2025-03-09 02:26:07,406 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 567 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:26:07,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1341 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-09 02:26:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2025-03-09 02:26:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 904. [2025-03-09 02:26:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 772 states have (on average 1.1308290155440415) internal successors, (873), 777 states have internal predecessors, (873), 125 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2025-03-09 02:26:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1123 transitions. [2025-03-09 02:26:07,687 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1123 transitions. Word has length 164 [2025-03-09 02:26:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:26:07,687 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1123 transitions. [2025-03-09 02:26:07,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.484848484848484) internal successors, (214), 34 states have internal predecessors, (214), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2025-03-09 02:26:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1123 transitions. [2025-03-09 02:26:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-09 02:26:07,695 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:26:07,695 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:26:07,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-09 02:26:07,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-03-09 02:26:07,896 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:26:07,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:26:07,898 INFO L85 PathProgramCache]: Analyzing trace with hash -276493776, now seen corresponding path program 1 times [2025-03-09 02:26:07,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:26:07,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077968061] [2025-03-09 02:26:07,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:26:07,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:26:07,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-09 02:26:07,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-09 02:26:07,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:26:07,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:26:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:26:08,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:26:08,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077968061] [2025-03-09 02:26:08,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077968061] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:26:08,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798378501] [2025-03-09 02:26:08,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:26:08,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:26:08,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:26:08,259 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) [2025-03-09 02:26:08,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-09 02:26:08,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-09 02:26:08,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-09 02:26:08,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:26:08,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:26:08,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:26:08,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:26:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:26:08,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:26:09,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798378501] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:26:09,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:26:09,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2025-03-09 02:26:09,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694277352] [2025-03-09 02:26:09,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:26:09,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-09 02:26:09,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:26:09,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-09 02:26:09,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2025-03-09 02:26:09,197 INFO L87 Difference]: Start difference. First operand 904 states and 1123 transitions. Second operand has 25 states, 24 states have (on average 6.333333333333333) internal successors, (152), 25 states have internal predecessors, (152), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-03-09 02:26:10,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:26:10,714 INFO L93 Difference]: Finished difference Result 1402 states and 1741 transitions. [2025-03-09 02:26:10,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-09 02:26:10,714 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.333333333333333) internal successors, (152), 25 states have internal predecessors, (152), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 166 [2025-03-09 02:26:10,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:26:10,718 INFO L225 Difference]: With dead ends: 1402 [2025-03-09 02:26:10,718 INFO L226 Difference]: Without dead ends: 1051 [2025-03-09 02:26:10,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=464, Invalid=2506, Unknown=0, NotChecked=0, Total=2970 [2025-03-09 02:26:10,720 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 456 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-09 02:26:10,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 770 Invalid, 1769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-09 02:26:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2025-03-09 02:26:10,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 896. [2025-03-09 02:26:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 764 states have (on average 1.1217277486910995) internal successors, (857), 769 states have internal predecessors, (857), 125 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2025-03-09 02:26:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1107 transitions. [2025-03-09 02:26:10,884 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1107 transitions. Word has length 166 [2025-03-09 02:26:10,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:26:10,884 INFO L471 AbstractCegarLoop]: Abstraction has 896 states and 1107 transitions. [2025-03-09 02:26:10,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.333333333333333) internal successors, (152), 25 states have internal predecessors, (152), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-03-09 02:26:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1107 transitions. [2025-03-09 02:26:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-09 02:26:10,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:26:10,886 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 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] [2025-03-09 02:26:10,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-03-09 02:26:11,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:26:11,089 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-09 02:26:11,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:26:11,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1090819029, now seen corresponding path program 5 times [2025-03-09 02:26:11,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:26:11,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480169141] [2025-03-09 02:26:11,090 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:26:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:26:11,098 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 170 statements into 9 equivalence classes. [2025-03-09 02:26:11,148 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 170 of 170 statements. [2025-03-09 02:26:11,148 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-03-09 02:26:11,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:26:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-09 02:26:11,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:26:11,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480169141] [2025-03-09 02:26:11,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480169141] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:26:11,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227201280] [2025-03-09 02:26:11,857 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:26:11,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:26:11,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:26:11,859 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) [2025-03-09 02:26:11,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-09 02:26:11,890 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 170 statements into 9 equivalence classes. [2025-03-09 02:26:11,936 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 170 of 170 statements. [2025-03-09 02:26:11,937 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-03-09 02:26:11,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:26:11,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-09 02:26:11,942 INFO L279 TraceCheckSpWp]: Computing forward predicates...