./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.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/cohencu-ll_valuebound5.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 ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:06:02,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:06:02,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:06:02,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:06:02,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:06:02,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:06:02,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:06:02,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:06:02,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:06:02,574 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:06:02,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:06:02,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:06:02,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:06:02,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:06:02,575 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:06:02,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:06:02,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:06:02,575 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:06:02,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:06:02,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:06:02,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:06:02,576 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:06:02,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:06:02,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:06:02,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:06:02,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:06:02,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:06:02,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:06:02,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:06:02,578 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 -> ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 [2025-03-09 02:06:02,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:06:02,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:06:02,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:06:02,811 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:06:02,812 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:06:02,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2025-03-09 02:06:03,987 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acaa04cf0/d88e4b0203af4354858a8277e0f2998f/FLAG5b7801abd [2025-03-09 02:06:04,221 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:06:04,221 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2025-03-09 02:06:04,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acaa04cf0/d88e4b0203af4354858a8277e0f2998f/FLAG5b7801abd [2025-03-09 02:06:04,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acaa04cf0/d88e4b0203af4354858a8277e0f2998f [2025-03-09 02:06:04,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:06:04,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:06:04,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:06:04,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:06:04,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:06:04,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbe83a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04, skipping insertion in model container [2025-03-09 02:06:04,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:06:04,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:06:04,392 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:06:04,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:06:04,428 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:06:04,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04 WrapperNode [2025-03-09 02:06:04,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:06:04,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:06:04,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:06:04,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:06:04,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,466 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-03-09 02:06:04,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:06:04,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:06:04,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:06:04,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:06:04,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,493 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 02:06:04,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,498 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:06:04,505 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:06:04,505 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:06:04,505 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:06:04,510 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (1/1) ... [2025-03-09 02:06:04,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:06:04,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:04,537 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 02:06:04,542 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 02:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:06:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:06:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:06:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:06:04,600 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:06:04,601 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:06:05,153 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-03-09 02:06:05,153 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:06:05,169 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:06:05,171 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:06:05,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:06:05 BoogieIcfgContainer [2025-03-09 02:06:05,172 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:06:05,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:06:05,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:06:05,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:06:05,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:06:04" (1/3) ... [2025-03-09 02:06:05,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdf7c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:06:05, skipping insertion in model container [2025-03-09 02:06:05,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:06:04" (2/3) ... [2025-03-09 02:06:05,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdf7c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:06:05, skipping insertion in model container [2025-03-09 02:06:05,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:06:05" (3/3) ... [2025-03-09 02:06:05,182 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound5.c [2025-03-09 02:06:05,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:06:05,192 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound5.c that has 2 procedures, 302 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-03-09 02:06:05,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:06:05,242 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;@7eb2bced, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:06:05,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-03-09 02:06:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 151 states have (on average 1.9403973509933774) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-09 02:06:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:06:05,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:05,248 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:06:05,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:05,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:05,252 INFO L85 PathProgramCache]: Analyzing trace with hash 312024932, now seen corresponding path program 1 times [2025-03-09 02:06:05,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:05,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715191437] [2025-03-09 02:06:05,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:05,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:05,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:06:05,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:06:05,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:05,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:05,331 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 02:06:05,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715191437] [2025-03-09 02:06:05,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715191437] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:05,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:05,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:05,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116311271] [2025-03-09 02:06:05,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:05,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:06:05,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:05,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:06:05,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:06:05,353 INFO L87 Difference]: Start difference. First operand has 302 states, 151 states have (on average 1.9403973509933774) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:06:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:05,382 INFO L93 Difference]: Finished difference Result 593 states and 636 transitions. [2025-03-09 02:06:05,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:06:05,383 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 02:06:05,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:05,388 INFO L225 Difference]: With dead ends: 593 [2025-03-09 02:06:05,388 INFO L226 Difference]: Without dead ends: 288 [2025-03-09 02:06:05,391 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 02:06:05,393 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:05,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:06:05,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-03-09 02:06:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2025-03-09 02:06:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:06:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2025-03-09 02:06:05,437 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2025-03-09 02:06:05,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:05,437 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2025-03-09 02:06:05,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:06:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2025-03-09 02:06:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:06:05,438 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:05,438 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:06:05,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 02:06:05,439 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:05,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:05,440 INFO L85 PathProgramCache]: Analyzing trace with hash 312025893, now seen corresponding path program 1 times [2025-03-09 02:06:05,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:05,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040919117] [2025-03-09 02:06:05,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:05,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:06:05,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:06:05,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:05,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:05,505 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 02:06:05,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:05,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040919117] [2025-03-09 02:06:05,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040919117] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:05,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:05,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:05,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627082038] [2025-03-09 02:06:05,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:05,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:05,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:05,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:05,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:05,507 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:06:05,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:05,633 INFO L93 Difference]: Finished difference Result 556 states and 575 transitions. [2025-03-09 02:06:05,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:05,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 02:06:05,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:05,635 INFO L225 Difference]: With dead ends: 556 [2025-03-09 02:06:05,635 INFO L226 Difference]: Without dead ends: 536 [2025-03-09 02:06:05,636 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 02:06:05,636 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:05,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 520 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:05,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-03-09 02:06:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 346. [2025-03-09 02:06:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 199 states have (on average 1.7989949748743719) internal successors, (358), 329 states have internal predecessors, (358), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:06:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 388 transitions. [2025-03-09 02:06:05,656 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 388 transitions. Word has length 5 [2025-03-09 02:06:05,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:05,656 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 388 transitions. [2025-03-09 02:06:05,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:06:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 388 transitions. [2025-03-09 02:06:05,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:06:05,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:05,657 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:05,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:06:05,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:05,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:05,658 INFO L85 PathProgramCache]: Analyzing trace with hash -857936794, now seen corresponding path program 1 times [2025-03-09 02:06:05,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:05,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645211956] [2025-03-09 02:06:05,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:05,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:06:05,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:06:05,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:05,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:05,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596779112] [2025-03-09 02:06:05,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:05,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:05,691 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 02:06:05,692 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 02:06:05,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:06:05,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:06:05,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:05,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:05,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:06:05,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:05,867 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 02:06:05,867 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:06:05,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:05,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645211956] [2025-03-09 02:06:05,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:05,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596779112] [2025-03-09 02:06:05,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596779112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:05,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:05,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:05,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473398021] [2025-03-09 02:06:05,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:05,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:05,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:05,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:05,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:05,873 INFO L87 Difference]: Start difference. First operand 346 states and 388 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:06,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:06,249 INFO L93 Difference]: Finished difference Result 506 states and 563 transitions. [2025-03-09 02:06:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:06,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2025-03-09 02:06:06,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:06,251 INFO L225 Difference]: With dead ends: 506 [2025-03-09 02:06:06,251 INFO L226 Difference]: Without dead ends: 451 [2025-03-09 02:06:06,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:06,251 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:06,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 267 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:06:06,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-09 02:06:06,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 431. [2025-03-09 02:06:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.6523297491039426) internal successors, (461), 409 states have internal predecessors, (461), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:06:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 501 transitions. [2025-03-09 02:06:06,277 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 501 transitions. Word has length 38 [2025-03-09 02:06:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:06,277 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 501 transitions. [2025-03-09 02:06:06,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 501 transitions. [2025-03-09 02:06:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-09 02:06:06,278 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:06,278 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:06,284 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 02:06:06,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:06,481 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:06,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:06,481 INFO L85 PathProgramCache]: Analyzing trace with hash 156468804, now seen corresponding path program 1 times [2025-03-09 02:06:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:06,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436355894] [2025-03-09 02:06:06,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:06,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:06:06,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:06:06,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:06,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:06,575 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 02:06:06,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:06,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436355894] [2025-03-09 02:06:06,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436355894] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:06,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:06,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:06,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020206961] [2025-03-09 02:06:06,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:06,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:06,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:06,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:06,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:06,577 INFO L87 Difference]: Start difference. First operand 431 states and 501 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:06,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:06,814 INFO L93 Difference]: Finished difference Result 464 states and 508 transitions. [2025-03-09 02:06:06,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:06,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-03-09 02:06:06,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:06,816 INFO L225 Difference]: With dead ends: 464 [2025-03-09 02:06:06,816 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:06:06,816 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 02:06:06,817 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:06,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:06,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:06:06,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-09 02:06:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5698924731182795) internal successors, (438), 409 states have internal predecessors, (438), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:06:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 478 transitions. [2025-03-09 02:06:06,828 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 478 transitions. Word has length 40 [2025-03-09 02:06:06,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:06,828 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 478 transitions. [2025-03-09 02:06:06,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 478 transitions. [2025-03-09 02:06:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-09 02:06:06,829 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:06,829 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:06,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 02:06:06,829 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:06,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:06,830 INFO L85 PathProgramCache]: Analyzing trace with hash 42672162, now seen corresponding path program 1 times [2025-03-09 02:06:06,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:06,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946423696] [2025-03-09 02:06:06,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:06,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-09 02:06:06,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 02:06:06,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:06,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:06,922 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 02:06:06,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:06,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946423696] [2025-03-09 02:06:06,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946423696] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:06,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:06,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:06:06,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782584083] [2025-03-09 02:06:06,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:06,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:06:06,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:06,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:06:06,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:06,924 INFO L87 Difference]: Start difference. First operand 431 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:07,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:07,179 INFO L93 Difference]: Finished difference Result 443 states and 485 transitions. [2025-03-09 02:06:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:06:07,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-03-09 02:06:07,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:07,181 INFO L225 Difference]: With dead ends: 443 [2025-03-09 02:06:07,181 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:06:07,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:07,182 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:07,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 367 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:07,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:06:07,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-09 02:06:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5627240143369177) internal successors, (436), 409 states have internal predecessors, (436), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:06:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 476 transitions. [2025-03-09 02:06:07,205 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 476 transitions. Word has length 42 [2025-03-09 02:06:07,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:07,206 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 476 transitions. [2025-03-09 02:06:07,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 476 transitions. [2025-03-09 02:06:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-09 02:06:07,207 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:07,207 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:07,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 02:06:07,207 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:07,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:07,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1322837233, now seen corresponding path program 1 times [2025-03-09 02:06:07,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:07,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387338724] [2025-03-09 02:06:07,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:07,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-09 02:06:07,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-09 02:06:07,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:07,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:07,311 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 02:06:07,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:07,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387338724] [2025-03-09 02:06:07,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387338724] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:07,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:07,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:06:07,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169222301] [2025-03-09 02:06:07,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:07,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:06:07,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:07,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:06:07,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:07,313 INFO L87 Difference]: Start difference. First operand 431 states and 476 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:08,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:08,326 INFO L93 Difference]: Finished difference Result 443 states and 483 transitions. [2025-03-09 02:06:08,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:06:08,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2025-03-09 02:06:08,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:08,329 INFO L225 Difference]: With dead ends: 443 [2025-03-09 02:06:08,330 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:06:08,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:08,331 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 136 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:08,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 448 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-09 02:06:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:06:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-03-09 02:06:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5555555555555556) internal successors, (434), 409 states have internal predecessors, (434), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:06:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 474 transitions. [2025-03-09 02:06:08,344 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 474 transitions. Word has length 43 [2025-03-09 02:06:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:08,344 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 474 transitions. [2025-03-09 02:06:08,344 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, (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 02:06:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 474 transitions. [2025-03-09 02:06:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-09 02:06:08,345 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:08,345 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:08,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:06:08,345 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:08,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:08,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1975692322, now seen corresponding path program 1 times [2025-03-09 02:06:08,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:08,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270875723] [2025-03-09 02:06:08,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:08,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:08,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:06:08,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:06:08,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:08,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:08,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1521895098] [2025-03-09 02:06:08,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:08,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:08,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:08,359 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 02:06:08,361 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 02:06:08,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:06:08,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:06:08,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:08,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:08,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:06:08,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:08,541 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 02:06:08,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:06:08,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:08,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270875723] [2025-03-09 02:06:08,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:08,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521895098] [2025-03-09 02:06:08,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521895098] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:08,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:08,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:08,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522654749] [2025-03-09 02:06:08,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:08,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:08,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:08,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:08,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:08,543 INFO L87 Difference]: Start difference. First operand 431 states and 474 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:08,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:08,849 INFO L93 Difference]: Finished difference Result 448 states and 481 transitions. [2025-03-09 02:06:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:08,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-03-09 02:06:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:08,851 INFO L225 Difference]: With dead ends: 448 [2025-03-09 02:06:08,851 INFO L226 Difference]: Without dead ends: 439 [2025-03-09 02:06:08,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:08,852 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:08,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 257 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:06:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-09 02:06:08,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 434. [2025-03-09 02:06:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5283687943262412) internal successors, (431), 412 states have internal predecessors, (431), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:06:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 471 transitions. [2025-03-09 02:06:08,861 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 471 transitions. Word has length 46 [2025-03-09 02:06:08,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:08,861 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 471 transitions. [2025-03-09 02:06:08,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 471 transitions. [2025-03-09 02:06:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-09 02:06:08,862 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:08,862 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:08,868 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 02:06:09,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-09 02:06:09,066 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:09,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:09,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1116919635, now seen corresponding path program 1 times [2025-03-09 02:06:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943023899] [2025-03-09 02:06:09,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:09,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-09 02:06:09,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-09 02:06:09,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:09,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:09,157 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 02:06:09,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:09,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943023899] [2025-03-09 02:06:09,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943023899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:09,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:09,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:06:09,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290925193] [2025-03-09 02:06:09,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:09,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:06:09,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:09,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:06:09,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:09,160 INFO L87 Difference]: Start difference. First operand 434 states and 471 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:09,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:09,564 INFO L93 Difference]: Finished difference Result 447 states and 472 transitions. [2025-03-09 02:06:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:06:09,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-03-09 02:06:09,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:09,566 INFO L225 Difference]: With dead ends: 447 [2025-03-09 02:06:09,567 INFO L226 Difference]: Without dead ends: 441 [2025-03-09 02:06:09,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:09,568 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 132 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:09,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 384 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:06:09,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-09 02:06:09,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 434. [2025-03-09 02:06:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5070921985815602) internal successors, (425), 412 states have internal predecessors, (425), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:06:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 465 transitions. [2025-03-09 02:06:09,579 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 465 transitions. Word has length 47 [2025-03-09 02:06:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:09,579 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 465 transitions. [2025-03-09 02:06:09,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 465 transitions. [2025-03-09 02:06:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-09 02:06:09,580 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:09,580 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:09,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 02:06:09,580 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:09,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:09,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2088594537, now seen corresponding path program 1 times [2025-03-09 02:06:09,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:09,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737641529] [2025-03-09 02:06:09,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:09,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:09,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-09 02:06:09,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-09 02:06:09,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:09,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:09,685 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 02:06:09,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:09,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737641529] [2025-03-09 02:06:09,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737641529] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:09,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:09,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:06:09,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806087099] [2025-03-09 02:06:09,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:09,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:06:09,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:09,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:06:09,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:09,686 INFO L87 Difference]: Start difference. First operand 434 states and 465 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:09,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:09,986 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2025-03-09 02:06:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:09,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-03-09 02:06:09,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:09,987 INFO L225 Difference]: With dead ends: 445 [2025-03-09 02:06:09,987 INFO L226 Difference]: Without dead ends: 372 [2025-03-09 02:06:09,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:09,988 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:09,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 269 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:06:09,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-09 02:06:09,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 368. [2025-03-09 02:06:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 349 states have internal predecessors, (356), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:06:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 390 transitions. [2025-03-09 02:06:09,995 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 390 transitions. Word has length 51 [2025-03-09 02:06:09,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:09,996 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 390 transitions. [2025-03-09 02:06:09,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:06:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 390 transitions. [2025-03-09 02:06:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-09 02:06:09,996 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:09,997 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:09,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 02:06:09,998 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:09,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:09,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1053201178, now seen corresponding path program 1 times [2025-03-09 02:06:09,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:09,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388746771] [2025-03-09 02:06:09,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:09,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:10,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-09 02:06:10,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-09 02:06:10,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:10,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:10,065 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 02:06:10,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:10,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388746771] [2025-03-09 02:06:10,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388746771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:10,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:10,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:10,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567162716] [2025-03-09 02:06:10,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:10,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:10,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:10,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:10,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:10,067 INFO L87 Difference]: Start difference. First operand 368 states and 390 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:06:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:10,290 INFO L93 Difference]: Finished difference Result 368 states and 390 transitions. [2025-03-09 02:06:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:10,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2025-03-09 02:06:10,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:10,291 INFO L225 Difference]: With dead ends: 368 [2025-03-09 02:06:10,292 INFO L226 Difference]: Without dead ends: 361 [2025-03-09 02:06:10,292 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 02:06:10,292 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:10,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 155 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:10,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-09 02:06:10,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-09 02:06:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 219 states have (on average 1.5936073059360731) internal successors, (349), 342 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:06:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 383 transitions. [2025-03-09 02:06:10,299 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 383 transitions. Word has length 83 [2025-03-09 02:06:10,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:10,300 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 383 transitions. [2025-03-09 02:06:10,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:06:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 383 transitions. [2025-03-09 02:06:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-09 02:06:10,301 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:10,301 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:10,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 02:06:10,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:10,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:10,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1710501997, now seen corresponding path program 1 times [2025-03-09 02:06:10,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:10,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690186002] [2025-03-09 02:06:10,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:10,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:10,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:06:10,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:06:10,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:10,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:10,345 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 02:06:10,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:10,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690186002] [2025-03-09 02:06:10,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690186002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:10,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:10,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:10,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235171413] [2025-03-09 02:06:10,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:10,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:10,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:10,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:10,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:10,347 INFO L87 Difference]: Start difference. First operand 361 states and 383 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:06:10,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:10,540 INFO L93 Difference]: Finished difference Result 368 states and 386 transitions. [2025-03-09 02:06:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:10,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-03-09 02:06:10,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:10,542 INFO L225 Difference]: With dead ends: 368 [2025-03-09 02:06:10,542 INFO L226 Difference]: Without dead ends: 367 [2025-03-09 02:06:10,542 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 02:06:10,542 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:10,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 392 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:10,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-03-09 02:06:10,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2025-03-09 02:06:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:06:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2025-03-09 02:06:10,550 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2025-03-09 02:06:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:10,551 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2025-03-09 02:06:10,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:06:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2025-03-09 02:06:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:06:10,552 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:10,552 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:10,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 02:06:10,552 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:10,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:10,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1214160528, now seen corresponding path program 1 times [2025-03-09 02:06:10,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:10,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447280315] [2025-03-09 02:06:10,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:10,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:10,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:06:10,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:06:10,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:10,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:06:10,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:10,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447280315] [2025-03-09 02:06:10,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447280315] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:10,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:10,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:06:10,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595294362] [2025-03-09 02:06:10,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:10,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:06:10,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:10,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:06:10,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:06:10,618 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:06:10,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:10,682 INFO L93 Difference]: Finished difference Result 363 states and 385 transitions. [2025-03-09 02:06:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:06:10,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2025-03-09 02:06:10,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:10,683 INFO L225 Difference]: With dead ends: 363 [2025-03-09 02:06:10,683 INFO L226 Difference]: Without dead ends: 361 [2025-03-09 02:06:10,684 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 02:06:10,684 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:10,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 262 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-09 02:06:10,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-09 02:06:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5701357466063348) internal successors, (347), 342 states have internal predecessors, (347), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:06:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 381 transitions. [2025-03-09 02:06:10,692 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 381 transitions. Word has length 86 [2025-03-09 02:06:10,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:10,692 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 381 transitions. [2025-03-09 02:06:10,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:06:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 381 transitions. [2025-03-09 02:06:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-09 02:06:10,693 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:10,693 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:10,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 02:06:10,694 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:10,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:10,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1485954615, now seen corresponding path program 1 times [2025-03-09 02:06:10,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:10,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257160960] [2025-03-09 02:06:10,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:10,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:10,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:06:10,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:06:10,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:10,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:06:10,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:10,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257160960] [2025-03-09 02:06:10,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257160960] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:10,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669603177] [2025-03-09 02:06:10,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:10,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:10,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:10,770 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 02:06:10,772 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 02:06:10,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:06:10,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:06:10,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:10,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:10,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:06:10,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:06:10,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:06:10,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669603177] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:10,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:10,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 02:06:10,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596883040] [2025-03-09 02:06:10,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:10,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:06:10,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:10,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:06:10,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:10,876 INFO L87 Difference]: Start difference. First operand 361 states and 381 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:06:10,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:10,964 INFO L93 Difference]: Finished difference Result 365 states and 381 transitions. [2025-03-09 02:06:10,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:06:10,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-03-09 02:06:10,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:10,966 INFO L225 Difference]: With dead ends: 365 [2025-03-09 02:06:10,966 INFO L226 Difference]: Without dead ends: 357 [2025-03-09 02:06:10,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:10,967 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 258 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:10,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 394 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:10,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-09 02:06:10,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2025-03-09 02:06:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5339366515837105) internal successors, (339), 334 states have internal predecessors, (339), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:06:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 373 transitions. [2025-03-09 02:06:10,975 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 373 transitions. Word has length 85 [2025-03-09 02:06:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:10,975 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 373 transitions. [2025-03-09 02:06:10,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:06:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 373 transitions. [2025-03-09 02:06:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-09 02:06:10,976 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:10,976 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:10,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:11,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:11,177 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:11,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:11,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1015729430, now seen corresponding path program 1 times [2025-03-09 02:06:11,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:11,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690021363] [2025-03-09 02:06:11,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:11,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:06:11,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:06:11,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:11,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:06:11,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:11,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690021363] [2025-03-09 02:06:11,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690021363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:11,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:11,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:06:11,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497072681] [2025-03-09 02:06:11,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:11,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:11,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:11,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:11,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:11,234 INFO L87 Difference]: Start difference. First operand 353 states and 373 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:06:11,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:11,360 INFO L93 Difference]: Finished difference Result 357 states and 373 transitions. [2025-03-09 02:06:11,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:06:11,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2025-03-09 02:06:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:11,362 INFO L225 Difference]: With dead ends: 357 [2025-03-09 02:06:11,362 INFO L226 Difference]: Without dead ends: 353 [2025-03-09 02:06:11,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:11,362 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 48 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:11,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 700 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-03-09 02:06:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2025-03-09 02:06:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 219 states have (on average 1.5296803652968036) internal successors, (335), 332 states have internal predecessors, (335), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:06:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 369 transitions. [2025-03-09 02:06:11,371 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 369 transitions. Word has length 87 [2025-03-09 02:06:11,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:11,371 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 369 transitions. [2025-03-09 02:06:11,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:06:11,372 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 369 transitions. [2025-03-09 02:06:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:06:11,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:11,372 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:11,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 02:06:11,373 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:11,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:11,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1180046933, now seen corresponding path program 1 times [2025-03-09 02:06:11,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:11,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904748478] [2025-03-09 02:06:11,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:11,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:11,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:06:11,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:06:11,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:11,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:06:11,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:11,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904748478] [2025-03-09 02:06:11,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904748478] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:11,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272127866] [2025-03-09 02:06:11,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:11,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:11,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:11,425 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 02:06:11,427 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 02:06:11,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:06:11,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:06:11,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:11,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:11,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:06:11,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:06:11,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:06:11,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272127866] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:11,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:11,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-09 02:06:11,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012284419] [2025-03-09 02:06:11,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:11,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:06:11,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:11,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:06:11,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:06:11,653 INFO L87 Difference]: Start difference. First operand 351 states and 369 transitions. Second operand has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:06:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:11,784 INFO L93 Difference]: Finished difference Result 610 states and 648 transitions. [2025-03-09 02:06:11,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:11,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 86 [2025-03-09 02:06:11,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:11,786 INFO L225 Difference]: With dead ends: 610 [2025-03-09 02:06:11,787 INFO L226 Difference]: Without dead ends: 602 [2025-03-09 02:06:11,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:06:11,788 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 467 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:11,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 743 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:11,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-03-09 02:06:11,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 409. [2025-03-09 02:06:11,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 278 states have (on average 1.5215827338129497) internal successors, (423), 385 states have internal predecessors, (423), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:06:11,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 467 transitions. [2025-03-09 02:06:11,802 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 467 transitions. Word has length 86 [2025-03-09 02:06:11,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:11,802 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 467 transitions. [2025-03-09 02:06:11,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:06:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 467 transitions. [2025-03-09 02:06:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-09 02:06:11,804 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:11,804 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:11,810 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 02:06:12,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 02:06:12,005 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:12,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:12,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1503557041, now seen corresponding path program 1 times [2025-03-09 02:06:12,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:12,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39206336] [2025-03-09 02:06:12,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:12,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:12,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-09 02:06:12,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:06:12,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:12,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:12,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2119211335] [2025-03-09 02:06:12,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:12,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:12,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:12,030 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 02:06:12,031 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 02:06:12,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-09 02:06:12,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:06:12,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:12,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:12,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:06:12,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:06:12,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:06:12,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39206336] [2025-03-09 02:06:12,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119211335] [2025-03-09 02:06:12,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119211335] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:12,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:12,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-09 02:06:12,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028625015] [2025-03-09 02:06:12,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:12,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:06:12,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:12,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:06:12,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:06:12,279 INFO L87 Difference]: Start difference. First operand 409 states and 467 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:06:12,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:12,429 INFO L93 Difference]: Finished difference Result 612 states and 644 transitions. [2025-03-09 02:06:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:12,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 97 [2025-03-09 02:06:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:12,431 INFO L225 Difference]: With dead ends: 612 [2025-03-09 02:06:12,432 INFO L226 Difference]: Without dead ends: 607 [2025-03-09 02:06:12,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:06:12,432 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1094 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:12,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 784 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-03-09 02:06:12,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 414. [2025-03-09 02:06:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 286 states have (on average 1.479020979020979) internal successors, (423), 389 states have internal predecessors, (423), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:06:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 469 transitions. [2025-03-09 02:06:12,443 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 469 transitions. Word has length 97 [2025-03-09 02:06:12,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:12,443 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 469 transitions. [2025-03-09 02:06:12,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:06:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 469 transitions. [2025-03-09 02:06:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 02:06:12,444 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:12,444 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:12,450 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 02:06:12,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 02:06:12,648 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:12,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:12,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1039189943, now seen corresponding path program 1 times [2025-03-09 02:06:12,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:12,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093561286] [2025-03-09 02:06:12,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:12,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:12,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:06:12,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:06:12,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:12,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:06:12,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:12,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093561286] [2025-03-09 02:06:12,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093561286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:12,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:12,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:06:12,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895226716] [2025-03-09 02:06:12,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:12,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:12,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:12,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:12,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:12,794 INFO L87 Difference]: Start difference. First operand 414 states and 469 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:12,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:12,927 INFO L93 Difference]: Finished difference Result 420 states and 472 transitions. [2025-03-09 02:06:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:06:12,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2025-03-09 02:06:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:12,929 INFO L225 Difference]: With dead ends: 420 [2025-03-09 02:06:12,929 INFO L226 Difference]: Without dead ends: 394 [2025-03-09 02:06:12,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:12,929 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 456 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:12,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 400 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-03-09 02:06:12,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2025-03-09 02:06:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 268 states have (on average 1.5037313432835822) internal successors, (403), 371 states have internal predecessors, (403), 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 02:06:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 445 transitions. [2025-03-09 02:06:12,941 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 445 transitions. Word has length 103 [2025-03-09 02:06:12,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:12,942 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 445 transitions. [2025-03-09 02:06:12,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 445 transitions. [2025-03-09 02:06:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-09 02:06:12,942 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:12,942 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:12,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 02:06:12,942 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:12,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1503437932, now seen corresponding path program 1 times [2025-03-09 02:06:12,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:12,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226909406] [2025-03-09 02:06:12,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:12,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:12,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-09 02:06:12,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:06:12,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:12,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:12,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929629551] [2025-03-09 02:06:12,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:12,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:12,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:12,967 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 02:06:12,968 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 02:06:12,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-09 02:06:13,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:06:13,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:13,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:13,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:13,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:13,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:13,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:13,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226909406] [2025-03-09 02:06:13,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:13,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929629551] [2025-03-09 02:06:13,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929629551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:13,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:13,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:06:13,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060621789] [2025-03-09 02:06:13,392 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:13,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:13,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:13,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:13,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:13,393 INFO L87 Difference]: Start difference. First operand 394 states and 445 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:13,923 INFO L93 Difference]: Finished difference Result 522 states and 610 transitions. [2025-03-09 02:06:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:06:13,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 118 [2025-03-09 02:06:13,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:13,925 INFO L225 Difference]: With dead ends: 522 [2025-03-09 02:06:13,925 INFO L226 Difference]: Without dead ends: 497 [2025-03-09 02:06:13,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:13,926 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 133 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:13,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 405 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:06:13,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-03-09 02:06:13,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 479. [2025-03-09 02:06:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 348 states have (on average 1.5114942528735633) internal successors, (526), 451 states have internal predecessors, (526), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 578 transitions. [2025-03-09 02:06:13,937 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 578 transitions. Word has length 118 [2025-03-09 02:06:13,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:13,938 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 578 transitions. [2025-03-09 02:06:13,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 578 transitions. [2025-03-09 02:06:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-09 02:06:13,938 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:13,938 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:13,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 02:06:14,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-09 02:06:14,139 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:14,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:14,139 INFO L85 PathProgramCache]: Analyzing trace with hash 638064583, now seen corresponding path program 1 times [2025-03-09 02:06:14,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:14,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202934603] [2025-03-09 02:06:14,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:14,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:14,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-09 02:06:14,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-09 02:06:14,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:14,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:14,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389190676] [2025-03-09 02:06:14,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:14,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:14,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:14,155 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 02:06:14,156 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 02:06:14,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-09 02:06:14,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-09 02:06:14,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:14,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:14,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:06:14,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:14,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:18,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:18,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202934603] [2025-03-09 02:06:18,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:18,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389190676] [2025-03-09 02:06:18,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389190676] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:18,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:18,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:06:18,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335616466] [2025-03-09 02:06:18,792 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:18,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:18,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:18,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:18,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=31, Unknown=1, NotChecked=0, Total=56 [2025-03-09 02:06:18,793 INFO L87 Difference]: Start difference. First operand 479 states and 578 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:19,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:19,253 INFO L93 Difference]: Finished difference Result 514 states and 585 transitions. [2025-03-09 02:06:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:06:19,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 119 [2025-03-09 02:06:19,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:19,255 INFO L225 Difference]: With dead ends: 514 [2025-03-09 02:06:19,255 INFO L226 Difference]: Without dead ends: 497 [2025-03-09 02:06:19,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=24, Invalid=31, Unknown=1, NotChecked=0, Total=56 [2025-03-09 02:06:19,255 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 131 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:19,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 377 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:06:19,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-03-09 02:06:19,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 479. [2025-03-09 02:06:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 348 states have (on average 1.4626436781609196) internal successors, (509), 451 states have internal predecessors, (509), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 561 transitions. [2025-03-09 02:06:19,266 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 561 transitions. Word has length 119 [2025-03-09 02:06:19,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:19,266 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 561 transitions. [2025-03-09 02:06:19,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 561 transitions. [2025-03-09 02:06:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-09 02:06:19,267 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:19,267 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:19,273 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 02:06:19,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:19,468 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:19,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:19,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1694834190, now seen corresponding path program 1 times [2025-03-09 02:06:19,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:19,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233428669] [2025-03-09 02:06:19,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:19,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:19,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-09 02:06:19,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-09 02:06:19,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:19,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:19,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:19,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233428669] [2025-03-09 02:06:19,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233428669] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:19,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783119788] [2025-03-09 02:06:19,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:19,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:19,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:19,553 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 02:06:19,555 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 02:06:19,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-09 02:06:19,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-09 02:06:19,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:19,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:19,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:06:19,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:19,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:19,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783119788] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:19,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:19,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:06:19,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225698173] [2025-03-09 02:06:19,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:19,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:19,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:19,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:19,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:19,892 INFO L87 Difference]: Start difference. First operand 479 states and 561 transitions. Second operand has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:06:20,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:20,347 INFO L93 Difference]: Finished difference Result 496 states and 568 transitions. [2025-03-09 02:06:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:06:20,347 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 120 [2025-03-09 02:06:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:20,349 INFO L225 Difference]: With dead ends: 496 [2025-03-09 02:06:20,349 INFO L226 Difference]: Without dead ends: 491 [2025-03-09 02:06:20,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:06:20,350 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 335 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:20,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 512 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:06:20,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-03-09 02:06:20,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 475. [2025-03-09 02:06:20,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 348 states have (on average 1.4367816091954022) internal successors, (500), 447 states have internal predecessors, (500), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:20,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 552 transitions. [2025-03-09 02:06:20,364 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 552 transitions. Word has length 120 [2025-03-09 02:06:20,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:20,364 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 552 transitions. [2025-03-09 02:06:20,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:06:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 552 transitions. [2025-03-09 02:06:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-09 02:06:20,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:20,365 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:20,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-09 02:06:20,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:20,566 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:20,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:20,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1000252123, now seen corresponding path program 1 times [2025-03-09 02:06:20,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:20,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191874927] [2025-03-09 02:06:20,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:20,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:20,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-09 02:06:20,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-09 02:06:20,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:20,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:20,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:20,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191874927] [2025-03-09 02:06:20,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191874927] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:20,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295964221] [2025-03-09 02:06:20,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:20,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:20,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:20,649 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 02:06:20,650 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 02:06:20,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-09 02:06:20,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-09 02:06:20,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:20,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:20,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:06:20,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:20,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:20,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295964221] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:20,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:20,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:06:20,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596086244] [2025-03-09 02:06:20,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:20,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:20,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:20,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:20,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:20,980 INFO L87 Difference]: Start difference. First operand 475 states and 552 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:06:21,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:21,349 INFO L93 Difference]: Finished difference Result 492 states and 559 transitions. [2025-03-09 02:06:21,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:06:21,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 121 [2025-03-09 02:06:21,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:21,350 INFO L225 Difference]: With dead ends: 492 [2025-03-09 02:06:21,350 INFO L226 Difference]: Without dead ends: 487 [2025-03-09 02:06:21,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:06:21,351 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 333 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:21,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 472 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:06:21,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-03-09 02:06:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 471. [2025-03-09 02:06:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 348 states have (on average 1.410919540229885) internal successors, (491), 443 states have internal predecessors, (491), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 543 transitions. [2025-03-09 02:06:21,360 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 543 transitions. Word has length 121 [2025-03-09 02:06:21,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:21,360 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 543 transitions. [2025-03-09 02:06:21,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:06:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 543 transitions. [2025-03-09 02:06:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-09 02:06:21,361 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:21,361 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:21,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:21,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:21,562 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:21,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:21,562 INFO L85 PathProgramCache]: Analyzing trace with hash -943044528, now seen corresponding path program 1 times [2025-03-09 02:06:21,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:21,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873441687] [2025-03-09 02:06:21,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:21,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:21,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-09 02:06:21,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:06:21,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:21,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:21,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939994456] [2025-03-09 02:06:21,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:21,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:21,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:21,585 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 02:06:21,586 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 02:06:21,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-09 02:06:21,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:06:21,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:21,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:21,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:06:21,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:21,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:22,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:22,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873441687] [2025-03-09 02:06:22,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:22,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939994456] [2025-03-09 02:06:22,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939994456] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:22,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:22,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:06:22,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447591263] [2025-03-09 02:06:22,096 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:22,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:06:22,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:22,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:06:22,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:22,097 INFO L87 Difference]: Start difference. First operand 471 states and 543 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:22,644 INFO L93 Difference]: Finished difference Result 492 states and 550 transitions. [2025-03-09 02:06:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:22,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 122 [2025-03-09 02:06:22,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:22,649 INFO L225 Difference]: With dead ends: 492 [2025-03-09 02:06:22,649 INFO L226 Difference]: Without dead ends: 477 [2025-03-09 02:06:22,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:22,650 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 114 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:22,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 393 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:06:22,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-03-09 02:06:22,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 474. [2025-03-09 02:06:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 351 states have (on average 1.3732193732193732) internal successors, (482), 446 states have internal predecessors, (482), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 534 transitions. [2025-03-09 02:06:22,662 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 534 transitions. Word has length 122 [2025-03-09 02:06:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:22,662 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 534 transitions. [2025-03-09 02:06:22,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:06:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 534 transitions. [2025-03-09 02:06:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-09 02:06:22,663 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:22,663 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:22,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-09 02:06:22,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-09 02:06:22,864 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:22,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:22,864 INFO L85 PathProgramCache]: Analyzing trace with hash 830390915, now seen corresponding path program 1 times [2025-03-09 02:06:22,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:22,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186452798] [2025-03-09 02:06:22,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:22,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-09 02:06:22,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-09 02:06:22,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:22,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:22,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:22,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186452798] [2025-03-09 02:06:22,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186452798] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:22,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718876807] [2025-03-09 02:06:22,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:22,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:22,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:22,953 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 02:06:22,954 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 02:06:22,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-09 02:06:22,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-09 02:06:22,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:22,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:22,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:06:22,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:23,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:23,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718876807] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:23,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:23,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2025-03-09 02:06:23,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306283574] [2025-03-09 02:06:23,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:23,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:23,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:23,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:23,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:23,267 INFO L87 Difference]: Start difference. First operand 474 states and 534 transitions. Second operand has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:24,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:24,072 INFO L93 Difference]: Finished difference Result 489 states and 535 transitions. [2025-03-09 02:06:24,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:24,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 123 [2025-03-09 02:06:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:24,074 INFO L225 Difference]: With dead ends: 489 [2025-03-09 02:06:24,074 INFO L226 Difference]: Without dead ends: 487 [2025-03-09 02:06:24,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:24,075 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 284 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:24,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 521 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:24,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-03-09 02:06:24,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 474. [2025-03-09 02:06:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 351 states have (on average 1.3675213675213675) internal successors, (480), 446 states have internal predecessors, (480), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 532 transitions. [2025-03-09 02:06:24,084 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 532 transitions. Word has length 123 [2025-03-09 02:06:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:24,084 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 532 transitions. [2025-03-09 02:06:24,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 532 transitions. [2025-03-09 02:06:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-09 02:06:24,085 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:24,085 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:24,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:24,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-09 02:06:24,290 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:24,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:24,290 INFO L85 PathProgramCache]: Analyzing trace with hash -135926465, now seen corresponding path program 1 times [2025-03-09 02:06:24,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:24,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907629942] [2025-03-09 02:06:24,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:24,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:24,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:06:24,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:06:24,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:24,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:24,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:24,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907629942] [2025-03-09 02:06:24,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907629942] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:24,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117135535] [2025-03-09 02:06:24,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:24,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:24,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:24,376 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 02:06:24,378 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 02:06:24,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:06:24,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:06:24,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:24,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:24,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:24,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:24,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:24,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117135535] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:24,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:24,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-03-09 02:06:24,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680808882] [2025-03-09 02:06:24,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:24,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:06:24,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:24,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:06:24,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:24,792 INFO L87 Difference]: Start difference. First operand 474 states and 532 transitions. Second operand has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:26,093 INFO L93 Difference]: Finished difference Result 474 states and 532 transitions. [2025-03-09 02:06:26,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:06:26,096 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 127 [2025-03-09 02:06:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:26,097 INFO L225 Difference]: With dead ends: 474 [2025-03-09 02:06:26,097 INFO L226 Difference]: Without dead ends: 446 [2025-03-09 02:06:26,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:26,098 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 495 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:26,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 322 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-09 02:06:26,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-03-09 02:06:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2025-03-09 02:06:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 351 states have (on average 1.2735042735042734) internal successors, (447), 418 states have internal predecessors, (447), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-09 02:06:26,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 499 transitions. [2025-03-09 02:06:26,107 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 499 transitions. Word has length 127 [2025-03-09 02:06:26,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:26,107 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 499 transitions. [2025-03-09 02:06:26,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:26,108 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 499 transitions. [2025-03-09 02:06:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-09 02:06:26,108 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:26,108 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:26,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:26,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-09 02:06:26,313 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:26,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:26,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1929537541, now seen corresponding path program 1 times [2025-03-09 02:06:26,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:26,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450603874] [2025-03-09 02:06:26,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:26,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:26,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-09 02:06:26,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-09 02:06:26,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:26,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:26,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:26,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450603874] [2025-03-09 02:06:26,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450603874] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:26,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730098122] [2025-03-09 02:06:26,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:26,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:26,396 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 02:06:26,398 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 02:06:26,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-09 02:06:26,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-09 02:06:26,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:26,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:26,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:06:26,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:06:26,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:35,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730098122] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:35,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:35,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2025-03-09 02:06:35,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249449752] [2025-03-09 02:06:35,834 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:35,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:35,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:35,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:35,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=182, Unknown=2, NotChecked=0, Total=240 [2025-03-09 02:06:35,835 INFO L87 Difference]: Start difference. First operand 446 states and 499 transitions. Second operand has 11 states, 10 states have (on average 18.2) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:36,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:36,823 INFO L93 Difference]: Finished difference Result 446 states and 499 transitions. [2025-03-09 02:06:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:06:36,824 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.2) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 131 [2025-03-09 02:06:36,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:36,825 INFO L225 Difference]: With dead ends: 446 [2025-03-09 02:06:36,825 INFO L226 Difference]: Without dead ends: 406 [2025-03-09 02:06:36,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=116, Invalid=302, Unknown=2, NotChecked=0, Total=420 [2025-03-09 02:06:36,826 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 351 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:36,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 493 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-09 02:06:36,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-03-09 02:06:36,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2025-03-09 02:06:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 323 states have (on average 1.2538699690402477) internal successors, (405), 380 states have internal predecessors, (405), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 453 transitions. [2025-03-09 02:06:36,834 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 453 transitions. Word has length 131 [2025-03-09 02:06:36,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:36,835 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 453 transitions. [2025-03-09 02:06:36,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.2) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 453 transitions. [2025-03-09 02:06:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-09 02:06:36,836 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:36,836 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:36,843 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 02:06:37,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-09 02:06:37,042 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:37,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:37,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1915178913, now seen corresponding path program 1 times [2025-03-09 02:06:37,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:37,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122538061] [2025-03-09 02:06:37,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:37,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:37,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-09 02:06:37,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-09 02:06:37,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:37,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-03-09 02:06:37,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:37,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122538061] [2025-03-09 02:06:37,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122538061] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:06:37,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:06:37,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:06:37,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185099394] [2025-03-09 02:06:37,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:06:37,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:06:37,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:37,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:06:37,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:06:37,098 INFO L87 Difference]: Start difference. First operand 406 states and 453 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:37,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:37,304 INFO L93 Difference]: Finished difference Result 406 states and 453 transitions. [2025-03-09 02:06:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:06:37,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 160 [2025-03-09 02:06:37,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:37,306 INFO L225 Difference]: With dead ends: 406 [2025-03-09 02:06:37,306 INFO L226 Difference]: Without dead ends: 405 [2025-03-09 02:06:37,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:06:37,306 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 272 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:37,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 182 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:37,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-09 02:06:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-03-09 02:06:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 323 states have (on average 1.2476780185758514) internal successors, (403), 379 states have internal predecessors, (403), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:37,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 451 transitions. [2025-03-09 02:06:37,317 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 451 transitions. Word has length 160 [2025-03-09 02:06:37,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:37,318 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 451 transitions. [2025-03-09 02:06:37,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:06:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 451 transitions. [2025-03-09 02:06:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-03-09 02:06:37,318 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:37,319 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:37,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-09 02:06:37,319 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:37,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:37,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1934104488, now seen corresponding path program 1 times [2025-03-09 02:06:37,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:37,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989940983] [2025-03-09 02:06:37,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:37,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:37,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-09 02:06:37,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-09 02:06:37,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:37,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:37,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:37,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989940983] [2025-03-09 02:06:37,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989940983] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:37,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464104175] [2025-03-09 02:06:37,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:37,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:37,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:37,407 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 02:06:37,417 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 02:06:37,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-09 02:06:37,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-09 02:06:37,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:37,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:37,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:06:37,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:37,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:37,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464104175] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:37,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:37,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-09 02:06:37,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476857467] [2025-03-09 02:06:37,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:37,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:06:37,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:37,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:06:37,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:06:37,746 INFO L87 Difference]: Start difference. First operand 405 states and 451 transitions. Second operand has 9 states, 8 states have (on average 34.25) internal successors, (274), 9 states have internal predecessors, (274), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-09 02:06:37,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:37,991 INFO L93 Difference]: Finished difference Result 433 states and 460 transitions. [2025-03-09 02:06:37,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:06:37,991 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.25) internal successors, (274), 9 states have internal predecessors, (274), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 167 [2025-03-09 02:06:37,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:37,993 INFO L225 Difference]: With dead ends: 433 [2025-03-09 02:06:37,993 INFO L226 Difference]: Without dead ends: 431 [2025-03-09 02:06:37,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:06:37,993 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 710 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:37,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 610 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2025-03-09 02:06:38,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 403. [2025-03-09 02:06:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.2352941176470589) internal successors, (399), 377 states have internal predecessors, (399), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 447 transitions. [2025-03-09 02:06:38,003 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 447 transitions. Word has length 167 [2025-03-09 02:06:38,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:38,003 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 447 transitions. [2025-03-09 02:06:38,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.25) internal successors, (274), 9 states have internal predecessors, (274), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-09 02:06:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 447 transitions. [2025-03-09 02:06:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-09 02:06:38,004 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:38,004 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:38,010 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 02:06:38,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:38,205 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:38,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:38,205 INFO L85 PathProgramCache]: Analyzing trace with hash -172302884, now seen corresponding path program 1 times [2025-03-09 02:06:38,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:38,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655830699] [2025-03-09 02:06:38,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:38,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:38,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-09 02:06:38,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-09 02:06:38,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:38,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:38,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1591072940] [2025-03-09 02:06:38,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:38,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:38,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:38,225 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 02:06:38,227 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 02:06:38,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-09 02:06:38,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-09 02:06:38,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:38,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:38,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:06:38,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:38,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:43,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:43,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655830699] [2025-03-09 02:06:43,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:43,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591072940] [2025-03-09 02:06:43,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591072940] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:43,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:43,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:06:43,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734680193] [2025-03-09 02:06:43,103 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:43,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:43,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:43,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:43,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2025-03-09 02:06:43,103 INFO L87 Difference]: Start difference. First operand 403 states and 447 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:06:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:43,457 INFO L93 Difference]: Finished difference Result 404 states and 447 transitions. [2025-03-09 02:06:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:06:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 168 [2025-03-09 02:06:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:43,459 INFO L225 Difference]: With dead ends: 404 [2025-03-09 02:06:43,459 INFO L226 Difference]: Without dead ends: 403 [2025-03-09 02:06:43,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=33, Invalid=56, Unknown=1, NotChecked=0, Total=90 [2025-03-09 02:06:43,459 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 58 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:43,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 366 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:06:43,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-09 02:06:43,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-09 02:06:43,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.2321981424148607) internal successors, (398), 377 states have internal predecessors, (398), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 446 transitions. [2025-03-09 02:06:43,469 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 446 transitions. Word has length 168 [2025-03-09 02:06:43,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:43,470 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 446 transitions. [2025-03-09 02:06:43,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:06:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 446 transitions. [2025-03-09 02:06:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-09 02:06:43,470 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:43,470 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:43,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:43,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-09 02:06:43,675 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:43,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:43,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1046421978, now seen corresponding path program 1 times [2025-03-09 02:06:43,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:43,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372736775] [2025-03-09 02:06:43,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:43,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-09 02:06:43,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-09 02:06:43,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:43,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:43,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834791797] [2025-03-09 02:06:43,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:43,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:43,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:43,705 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 02:06:43,706 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 02:06:43,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-09 02:06:43,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-09 02:06:43,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:43,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:43,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:06:43,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:44,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:44,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:44,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372736775] [2025-03-09 02:06:44,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:44,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834791797] [2025-03-09 02:06:44,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834791797] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:44,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:44,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:06:44,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500927730] [2025-03-09 02:06:44,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:44,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:06:44,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:44,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:06:44,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:06:44,137 INFO L87 Difference]: Start difference. First operand 403 states and 446 transitions. Second operand has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:06:44,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:44,545 INFO L93 Difference]: Finished difference Result 414 states and 446 transitions. [2025-03-09 02:06:44,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:06:44,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 169 [2025-03-09 02:06:44,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:44,546 INFO L225 Difference]: With dead ends: 414 [2025-03-09 02:06:44,546 INFO L226 Difference]: Without dead ends: 413 [2025-03-09 02:06:44,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:44,546 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 117 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:44,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 438 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:06:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2025-03-09 02:06:44,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 403. [2025-03-09 02:06:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.2291021671826625) internal successors, (397), 377 states have internal predecessors, (397), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 445 transitions. [2025-03-09 02:06:44,556 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 445 transitions. Word has length 169 [2025-03-09 02:06:44,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:44,556 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 445 transitions. [2025-03-09 02:06:44,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:06:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 445 transitions. [2025-03-09 02:06:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-09 02:06:44,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:44,557 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:44,563 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 02:06:44,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-09 02:06:44,758 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:44,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:44,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1084385192, now seen corresponding path program 1 times [2025-03-09 02:06:44,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:44,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803419439] [2025-03-09 02:06:44,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:44,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:44,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-09 02:06:44,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-09 02:06:44,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:44,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:44,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789861664] [2025-03-09 02:06:44,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:44,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:44,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:44,774 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 02:06:44,776 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 02:06:44,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-09 02:06:44,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-09 02:06:44,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:44,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:44,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:06:44,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:45,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:06:46,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:46,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803419439] [2025-03-09 02:06:46,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:46,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789861664] [2025-03-09 02:06:46,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789861664] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:46,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:46,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-09 02:06:46,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971229039] [2025-03-09 02:06:46,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:46,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:46,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:46,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:46,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:46,311 INFO L87 Difference]: Start difference. First operand 403 states and 445 transitions. Second operand has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:06:48,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:48,247 INFO L93 Difference]: Finished difference Result 411 states and 445 transitions. [2025-03-09 02:06:48,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:06:48,247 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 172 [2025-03-09 02:06:48,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:48,248 INFO L225 Difference]: With dead ends: 411 [2025-03-09 02:06:48,248 INFO L226 Difference]: Without dead ends: 403 [2025-03-09 02:06:48,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:06:48,249 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 468 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:48,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 283 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-09 02:06:48,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-09 02:06:48,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-09 02:06:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.2043343653250773) internal successors, (389), 377 states have internal predecessors, (389), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:06:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 437 transitions. [2025-03-09 02:06:48,263 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 437 transitions. Word has length 172 [2025-03-09 02:06:48,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:48,263 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 437 transitions. [2025-03-09 02:06:48,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:06:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 437 transitions. [2025-03-09 02:06:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-09 02:06:48,264 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:48,264 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:48,271 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 02:06:48,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:48,468 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:48,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:48,468 INFO L85 PathProgramCache]: Analyzing trace with hash -153949247, now seen corresponding path program 1 times [2025-03-09 02:06:48,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:48,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747985614] [2025-03-09 02:06:48,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:48,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:48,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 02:06:48,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 02:06:48,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:48,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:48,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614666840] [2025-03-09 02:06:48,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:48,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:48,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:48,492 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 02:06:48,494 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 02:06:48,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 02:06:48,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 02:06:48,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:48,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:48,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:06:48,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:49,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:49,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:49,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747985614] [2025-03-09 02:06:49,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:49,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614666840] [2025-03-09 02:06:49,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614666840] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:49,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:49,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2025-03-09 02:06:49,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3866873] [2025-03-09 02:06:49,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:49,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:06:49,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:49,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:06:49,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:06:49,617 INFO L87 Difference]: Start difference. First operand 403 states and 437 transitions. Second operand has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-09 02:06:50,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:50,730 INFO L93 Difference]: Finished difference Result 473 states and 535 transitions. [2025-03-09 02:06:50,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:06:50,731 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 191 [2025-03-09 02:06:50,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:50,732 INFO L225 Difference]: With dead ends: 473 [2025-03-09 02:06:50,732 INFO L226 Difference]: Without dead ends: 470 [2025-03-09 02:06:50,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:06:50,733 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 296 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:50,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 241 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-09 02:06:50,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-03-09 02:06:50,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 469. [2025-03-09 02:06:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 383 states have (on average 1.2297650130548303) internal successors, (471), 437 states have internal predecessors, (471), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 531 transitions. [2025-03-09 02:06:50,748 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 531 transitions. Word has length 191 [2025-03-09 02:06:50,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:50,748 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 531 transitions. [2025-03-09 02:06:50,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-09 02:06:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 531 transitions. [2025-03-09 02:06:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-09 02:06:50,749 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:50,750 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:50,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:50,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:50,950 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:50,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:50,951 INFO L85 PathProgramCache]: Analyzing trace with hash -477459268, now seen corresponding path program 1 times [2025-03-09 02:06:50,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:50,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981768700] [2025-03-09 02:06:50,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:50,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:50,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-09 02:06:50,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-09 02:06:50,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:50,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:51,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:51,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981768700] [2025-03-09 02:06:51,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981768700] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:51,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645925604] [2025-03-09 02:06:51,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:51,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:51,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:51,075 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 02:06:51,076 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 02:06:51,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-09 02:06:51,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-09 02:06:51,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:51,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:51,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:51,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:51,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:51,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645925604] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:51,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:51,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-09 02:06:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767888294] [2025-03-09 02:06:51,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:51,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:51,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:51,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:51,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:06:51,534 INFO L87 Difference]: Start difference. First operand 469 states and 531 transitions. Second operand has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-09 02:06:52,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:52,409 INFO L93 Difference]: Finished difference Result 469 states and 531 transitions. [2025-03-09 02:06:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:06:52,409 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 192 [2025-03-09 02:06:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:52,410 INFO L225 Difference]: With dead ends: 469 [2025-03-09 02:06:52,410 INFO L226 Difference]: Without dead ends: 465 [2025-03-09 02:06:52,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:06:52,411 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 415 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:52,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 207 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:52,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-09 02:06:52,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2025-03-09 02:06:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 383 states have (on average 1.2088772845953002) internal successors, (463), 433 states have internal predecessors, (463), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 523 transitions. [2025-03-09 02:06:52,425 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 523 transitions. Word has length 192 [2025-03-09 02:06:52,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:52,425 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 523 transitions. [2025-03-09 02:06:52,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-09 02:06:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 523 transitions. [2025-03-09 02:06:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-09 02:06:52,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:52,426 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 02:06:52,433 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 02:06:52,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:52,627 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:52,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:52,628 INFO L85 PathProgramCache]: Analyzing trace with hash 14131833, now seen corresponding path program 1 times [2025-03-09 02:06:52,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:52,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508484533] [2025-03-09 02:06:52,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:52,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:52,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-09 02:06:52,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-09 02:06:52,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:52,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:52,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2147187397] [2025-03-09 02:06:52,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:52,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:52,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:52,645 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 02:06:52,647 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 02:06:52,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-09 02:06:52,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-09 02:06:52,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:52,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:52,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:06:52,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:52,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:52,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:52,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508484533] [2025-03-09 02:06:52,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:52,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147187397] [2025-03-09 02:06:52,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147187397] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:52,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:52,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:06:52,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366450064] [2025-03-09 02:06:52,873 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:52,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:06:52,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:52,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:06:52,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:06:52,874 INFO L87 Difference]: Start difference. First operand 465 states and 523 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:06:52,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:52,988 INFO L93 Difference]: Finished difference Result 583 states and 615 transitions. [2025-03-09 02:06:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:06:52,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 192 [2025-03-09 02:06:52,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:52,990 INFO L225 Difference]: With dead ends: 583 [2025-03-09 02:06:52,990 INFO L226 Difference]: Without dead ends: 582 [2025-03-09 02:06:52,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:06:52,991 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 224 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:52,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 644 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:06:52,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2025-03-09 02:06:53,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 465. [2025-03-09 02:06:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 383 states have (on average 1.206266318537859) internal successors, (462), 433 states have internal predecessors, (462), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 522 transitions. [2025-03-09 02:06:53,005 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 522 transitions. Word has length 192 [2025-03-09 02:06:53,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:53,005 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 522 transitions. [2025-03-09 02:06:53,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:06:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 522 transitions. [2025-03-09 02:06:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-09 02:06:53,006 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:53,006 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:53,012 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 02:06:53,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-09 02:06:53,206 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:53,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:53,207 INFO L85 PathProgramCache]: Analyzing trace with hash -840399496, now seen corresponding path program 1 times [2025-03-09 02:06:53,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:53,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744897527] [2025-03-09 02:06:53,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:53,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:53,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-09 02:06:53,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-09 02:06:53,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:53,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:53,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953488006] [2025-03-09 02:06:53,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:53,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:53,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:53,226 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 02:06:53,227 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 02:06:53,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-09 02:06:53,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-09 02:06:53,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:53,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:53,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:06:53,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:06:53,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744897527] [2025-03-09 02:06:54,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953488006] [2025-03-09 02:06:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953488006] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:54,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:54,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:06:54,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100031970] [2025-03-09 02:06:54,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:54,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:54,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:54,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:54,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:06:54,295 INFO L87 Difference]: Start difference. First operand 465 states and 522 transitions. Second operand has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:06:54,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:54,844 INFO L93 Difference]: Finished difference Result 467 states and 522 transitions. [2025-03-09 02:06:54,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:06:54,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 196 [2025-03-09 02:06:54,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:54,847 INFO L225 Difference]: With dead ends: 467 [2025-03-09 02:06:54,847 INFO L226 Difference]: Without dead ends: 465 [2025-03-09 02:06:54,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:54,847 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 84 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:54,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 305 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:06:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-09 02:06:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2025-03-09 02:06:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 383 states have (on average 1.2010443864229765) internal successors, (460), 433 states have internal predecessors, (460), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:06:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 520 transitions. [2025-03-09 02:06:54,869 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 520 transitions. Word has length 196 [2025-03-09 02:06:54,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:54,869 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 520 transitions. [2025-03-09 02:06:54,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:06:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 520 transitions. [2025-03-09 02:06:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-09 02:06:54,870 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:54,870 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 02:06:54,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-09 02:06:55,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-03-09 02:06:55,071 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:55,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:55,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1244043865, now seen corresponding path program 2 times [2025-03-09 02:06:55,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:55,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862712658] [2025-03-09 02:06:55,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:55,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:55,077 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-09 02:06:55,085 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-09 02:06:55,085 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:55,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:55,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589085632] [2025-03-09 02:06:55,086 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:55,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:55,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:55,088 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 02:06:55,089 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 02:06:55,117 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-09 02:06:55,145 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-09 02:06:55,145 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:55,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:55,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:06:55,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:55,436 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:55,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:55,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862712658] [2025-03-09 02:06:55,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:55,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589085632] [2025-03-09 02:06:55,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589085632] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:55,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:55,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-09 02:06:55,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178891787] [2025-03-09 02:06:55,715 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:55,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:06:55,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:55,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:06:55,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:55,715 INFO L87 Difference]: Start difference. First operand 465 states and 520 transitions. Second operand has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:56,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:56,200 INFO L93 Difference]: Finished difference Result 548 states and 616 transitions. [2025-03-09 02:06:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:06:56,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 199 [2025-03-09 02:06:56,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:56,202 INFO L225 Difference]: With dead ends: 548 [2025-03-09 02:06:56,202 INFO L226 Difference]: Without dead ends: 535 [2025-03-09 02:06:56,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:56,203 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 175 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:56,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 767 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:06:56,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-03-09 02:06:56,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 519. [2025-03-09 02:06:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 434 states have (on average 1.2027649769585254) internal successors, (522), 484 states have internal predecessors, (522), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:06:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 588 transitions. [2025-03-09 02:06:56,217 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 588 transitions. Word has length 199 [2025-03-09 02:06:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:56,217 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 588 transitions. [2025-03-09 02:06:56,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 588 transitions. [2025-03-09 02:06:56,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-09 02:06:56,218 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:56,218 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 02:06:56,224 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 02:06:56,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:56,419 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:56,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:56,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1525252919, now seen corresponding path program 2 times [2025-03-09 02:06:56,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:56,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972261387] [2025-03-09 02:06:56,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:56,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:56,424 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-03-09 02:06:56,434 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-03-09 02:06:56,434 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:56,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:56,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:56,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972261387] [2025-03-09 02:06:56,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972261387] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:56,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104849369] [2025-03-09 02:06:56,530 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:56,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:56,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:56,532 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 02:06:56,534 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 02:06:56,558 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-03-09 02:06:56,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-03-09 02:06:56,583 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:56,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:56,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:56,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:56,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:57,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104849369] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:57,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:57,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-09 02:06:57,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479984974] [2025-03-09 02:06:57,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:57,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:06:57,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:57,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:06:57,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:06:57,032 INFO L87 Difference]: Start difference. First operand 519 states and 588 transitions. Second operand has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:57,654 INFO L93 Difference]: Finished difference Result 571 states and 638 transitions. [2025-03-09 02:06:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:06:57,654 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 201 [2025-03-09 02:06:57,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:57,656 INFO L225 Difference]: With dead ends: 571 [2025-03-09 02:06:57,656 INFO L226 Difference]: Without dead ends: 570 [2025-03-09 02:06:57,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:06:57,656 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 582 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:57,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 639 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:06:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2025-03-09 02:06:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 552. [2025-03-09 02:06:57,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 464 states have (on average 1.1961206896551724) internal successors, (555), 514 states have internal predecessors, (555), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:06:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 627 transitions. [2025-03-09 02:06:57,672 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 627 transitions. Word has length 201 [2025-03-09 02:06:57,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:57,672 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 627 transitions. [2025-03-09 02:06:57,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 627 transitions. [2025-03-09 02:06:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-09 02:06:57,673 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:57,673 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 02:06:57,679 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 02:06:57,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:57,873 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:06:57,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:57,874 INFO L85 PathProgramCache]: Analyzing trace with hash 38200446, now seen corresponding path program 2 times [2025-03-09 02:06:57,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:57,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183145996] [2025-03-09 02:06:57,874 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:57,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:57,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-03-09 02:06:57,887 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:06:57,887 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:57,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:57,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928449015] [2025-03-09 02:06:57,888 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:57,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:57,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:57,889 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 02:06:57,891 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 02:06:57,915 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-03-09 02:06:57,943 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:06:57,943 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:57,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:57,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:06:57,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:58,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:58,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:58,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183145996] [2025-03-09 02:06:58,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:58,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928449015] [2025-03-09 02:06:58,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928449015] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:58,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:58,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:06:58,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262296262] [2025-03-09 02:06:58,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:58,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:06:58,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:58,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:06:58,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:58,689 INFO L87 Difference]: Start difference. First operand 552 states and 627 transitions. Second operand has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:07:01,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:01,124 INFO L93 Difference]: Finished difference Result 593 states and 652 transitions. [2025-03-09 02:07:01,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:07:01,125 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 202 [2025-03-09 02:07:01,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:01,126 INFO L225 Difference]: With dead ends: 593 [2025-03-09 02:07:01,126 INFO L226 Difference]: Without dead ends: 458 [2025-03-09 02:07:01,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:07:01,127 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 742 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 2599 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 2678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:01,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 1034 Invalid, 2678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2599 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-09 02:07:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-03-09 02:07:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 444. [2025-03-09 02:07:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 364 states have (on average 1.1758241758241759) internal successors, (428), 412 states have internal predecessors, (428), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:07:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 488 transitions. [2025-03-09 02:07:01,140 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 488 transitions. Word has length 202 [2025-03-09 02:07:01,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:01,140 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 488 transitions. [2025-03-09 02:07:01,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:07:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 488 transitions. [2025-03-09 02:07:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-03-09 02:07:01,141 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:01,141 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-03-09 02:07:01,147 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 02:07:01,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-09 02:07:01,342 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:01,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:01,342 INFO L85 PathProgramCache]: Analyzing trace with hash 138330569, now seen corresponding path program 1 times [2025-03-09 02:07:01,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:01,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079752382] [2025-03-09 02:07:01,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:01,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:01,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-03-09 02:07:01,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-03-09 02:07:01,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:01,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2025-03-09 02:07:01,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:01,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079752382] [2025-03-09 02:07:01,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079752382] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:01,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:01,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:07:01,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080178604] [2025-03-09 02:07:01,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:01,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:07:01,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:01,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:07:01,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:07:01,393 INFO L87 Difference]: Start difference. First operand 444 states and 488 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:07:01,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:01,584 INFO L93 Difference]: Finished difference Result 444 states and 488 transitions. [2025-03-09 02:07:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:07:01,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 244 [2025-03-09 02:07:01,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:01,585 INFO L225 Difference]: With dead ends: 444 [2025-03-09 02:07:01,586 INFO L226 Difference]: Without dead ends: 443 [2025-03-09 02:07:01,586 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 02:07:01,586 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 119 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:01,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 144 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:07:01,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-03-09 02:07:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2025-03-09 02:07:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 364 states have (on average 1.1703296703296704) internal successors, (426), 411 states have internal predecessors, (426), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:07:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 486 transitions. [2025-03-09 02:07:01,600 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 486 transitions. Word has length 244 [2025-03-09 02:07:01,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:01,600 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 486 transitions. [2025-03-09 02:07:01,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:07:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 486 transitions. [2025-03-09 02:07:01,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-03-09 02:07:01,601 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:01,601 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:01,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-09 02:07:01,601 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:01,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1032234614, now seen corresponding path program 2 times [2025-03-09 02:07:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:01,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465455452] [2025-03-09 02:07:01,602 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:01,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:01,607 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-09 02:07:01,616 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-09 02:07:01,616 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:01,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:01,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94409361] [2025-03-09 02:07:01,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:01,619 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 02:07:01,621 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 02:07:01,651 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-09 02:07:01,683 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-09 02:07:01,683 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:01,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:01,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-09 02:07:01,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:07:02,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:02,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:02,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465455452] [2025-03-09 02:07:02,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:02,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94409361] [2025-03-09 02:07:02,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94409361] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:02,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:02,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:07:02,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311398284] [2025-03-09 02:07:02,752 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:02,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:07:02,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:02,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:07:02,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:07:02,752 INFO L87 Difference]: Start difference. First operand 443 states and 486 transitions. Second operand has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:07:03,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:03,578 INFO L93 Difference]: Finished difference Result 444 states and 486 transitions. [2025-03-09 02:07:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:07:03,579 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 248 [2025-03-09 02:07:03,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:03,580 INFO L225 Difference]: With dead ends: 444 [2025-03-09 02:07:03,580 INFO L226 Difference]: Without dead ends: 443 [2025-03-09 02:07:03,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:07:03,580 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 109 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:03,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 516 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:07:03,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-03-09 02:07:03,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2025-03-09 02:07:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 364 states have (on average 1.1675824175824177) internal successors, (425), 411 states have internal predecessors, (425), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:07:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 485 transitions. [2025-03-09 02:07:03,596 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 485 transitions. Word has length 248 [2025-03-09 02:07:03,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:03,596 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 485 transitions. [2025-03-09 02:07:03,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:07:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 485 transitions. [2025-03-09 02:07:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-03-09 02:07:03,597 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:03,597 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:03,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-09 02:07:03,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-09 02:07:03,797 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:03,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:03,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1934501832, now seen corresponding path program 2 times [2025-03-09 02:07:03,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:03,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842679642] [2025-03-09 02:07:03,798 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:03,805 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-03-09 02:07:03,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-03-09 02:07:03,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:03,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:03,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800998355] [2025-03-09 02:07:03,819 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:03,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:03,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:03,820 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 02:07:03,822 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 02:07:03,851 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-03-09 02:07:03,881 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-03-09 02:07:03,881 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:03,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:03,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:07:03,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:07:04,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:04,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842679642] [2025-03-09 02:07:04,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800998355] [2025-03-09 02:07:04,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800998355] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:04,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:04,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:07:04,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886447202] [2025-03-09 02:07:04,431 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:04,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:07:04,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:04,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:07:04,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:07:04,432 INFO L87 Difference]: Start difference. First operand 443 states and 485 transitions. Second operand has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:07:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:04,747 INFO L93 Difference]: Finished difference Result 444 states and 485 transitions. [2025-03-09 02:07:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:07:04,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 249 [2025-03-09 02:07:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:04,748 INFO L225 Difference]: With dead ends: 444 [2025-03-09 02:07:04,748 INFO L226 Difference]: Without dead ends: 443 [2025-03-09 02:07:04,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:04,749 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 92 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:04,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 956 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:04,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-03-09 02:07:04,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2025-03-09 02:07:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 364 states have (on average 1.164835164835165) internal successors, (424), 411 states have internal predecessors, (424), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:07:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 484 transitions. [2025-03-09 02:07:04,763 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 484 transitions. Word has length 249 [2025-03-09 02:07:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:04,763 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 484 transitions. [2025-03-09 02:07:04,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:07:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 484 transitions. [2025-03-09 02:07:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-03-09 02:07:04,764 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:04,764 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:04,770 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 02:07:04,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-09 02:07:04,964 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:04,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:04,965 INFO L85 PathProgramCache]: Analyzing trace with hash -872772346, now seen corresponding path program 2 times [2025-03-09 02:07:04,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:04,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234811225] [2025-03-09 02:07:04,965 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:04,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:04,971 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-03-09 02:07:04,986 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-03-09 02:07:04,987 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:04,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:04,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416573321] [2025-03-09 02:07:04,988 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:04,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:04,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:04,990 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 02:07:04,991 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 02:07:05,017 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-03-09 02:07:05,077 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-03-09 02:07:05,077 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:05,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:05,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 02:07:05,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:07:06,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:07:07,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:07,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234811225] [2025-03-09 02:07:07,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:07,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416573321] [2025-03-09 02:07:07,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416573321] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:07:07,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:07:07,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2025-03-09 02:07:07,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7015675] [2025-03-09 02:07:07,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:07,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-09 02:07:07,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:07,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-09 02:07:07,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:07:07,589 INFO L87 Difference]: Start difference. First operand 443 states and 484 transitions. Second operand has 19 states, 18 states have (on average 19.22222222222222) internal successors, (346), 19 states have internal predecessors, (346), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-03-09 02:07:14,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:07:19,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:07:22,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:22,956 INFO L93 Difference]: Finished difference Result 495 states and 544 transitions. [2025-03-09 02:07:22,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:07:22,956 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 19.22222222222222) internal successors, (346), 19 states have internal predecessors, (346), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 252 [2025-03-09 02:07:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:22,957 INFO L225 Difference]: With dead ends: 495 [2025-03-09 02:07:22,957 INFO L226 Difference]: Without dead ends: 490 [2025-03-09 02:07:22,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2025-03-09 02:07:22,958 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 919 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 72 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:22,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 369 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 2593 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2025-03-09 02:07:22,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2025-03-09 02:07:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2025-03-09 02:07:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 400 states have (on average 1.17) internal successors, (468), 447 states have internal predecessors, (468), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:07:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 534 transitions. [2025-03-09 02:07:22,976 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 534 transitions. Word has length 252 [2025-03-09 02:07:22,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:22,976 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 534 transitions. [2025-03-09 02:07:22,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 19.22222222222222) internal successors, (346), 19 states have internal predecessors, (346), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-03-09 02:07:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 534 transitions. [2025-03-09 02:07:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-03-09 02:07:22,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:22,978 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-03-09 02:07:22,985 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 02:07:23,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:23,183 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:23,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:23,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1808710063, now seen corresponding path program 1 times [2025-03-09 02:07:23,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:23,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811657020] [2025-03-09 02:07:23,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:23,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:23,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-09 02:07:23,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-09 02:07:23,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:23,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:23,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309448693] [2025-03-09 02:07:23,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:23,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:23,205 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 02:07:23,207 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 02:07:23,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-09 02:07:23,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-09 02:07:23,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:23,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:23,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:07:23,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:07:23,416 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:07:23,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:23,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811657020] [2025-03-09 02:07:23,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:23,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309448693] [2025-03-09 02:07:23,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309448693] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:07:23,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:07:23,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:07:23,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667252691] [2025-03-09 02:07:23,676 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:23,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:07:23,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:23,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:07:23,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:07:23,677 INFO L87 Difference]: Start difference. First operand 482 states and 534 transitions. Second operand has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:07:23,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:23,951 INFO L93 Difference]: Finished difference Result 635 states and 676 transitions. [2025-03-09 02:07:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:07:23,952 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 261 [2025-03-09 02:07:23,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:23,954 INFO L225 Difference]: With dead ends: 635 [2025-03-09 02:07:23,954 INFO L226 Difference]: Without dead ends: 633 [2025-03-09 02:07:23,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:23,954 INFO L435 NwaCegarLoop]: 346 mSDtfsCounter, 1056 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:23,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 1460 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:07:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2025-03-09 02:07:23,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 481. [2025-03-09 02:07:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 400 states have (on average 1.1625) internal successors, (465), 446 states have internal predecessors, (465), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:07:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 531 transitions. [2025-03-09 02:07:23,974 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 531 transitions. Word has length 261 [2025-03-09 02:07:23,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:23,974 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 531 transitions. [2025-03-09 02:07:23,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:07:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 531 transitions. [2025-03-09 02:07:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-09 02:07:23,976 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:23,976 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:23,982 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 02:07:24,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:24,176 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:24,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:24,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2125434353, now seen corresponding path program 1 times [2025-03-09 02:07:24,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:24,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793792254] [2025-03-09 02:07:24,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:24,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:24,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-09 02:07:24,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-09 02:07:24,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:24,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:07:24,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:24,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793792254] [2025-03-09 02:07:24,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793792254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:24,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:24,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:07:24,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022654235] [2025-03-09 02:07:24,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:24,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:07:24,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:24,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:07:24,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:07:24,275 INFO L87 Difference]: Start difference. First operand 481 states and 531 transitions. Second operand has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:07:24,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:24,650 INFO L93 Difference]: Finished difference Result 481 states and 531 transitions. [2025-03-09 02:07:24,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:07:24,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 275 [2025-03-09 02:07:24,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:24,651 INFO L225 Difference]: With dead ends: 481 [2025-03-09 02:07:24,651 INFO L226 Difference]: Without dead ends: 479 [2025-03-09 02:07:24,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:07:24,652 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 250 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:24,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 332 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:24,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2025-03-09 02:07:24,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2025-03-09 02:07:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 400 states have (on average 1.1525) internal successors, (461), 444 states have internal predecessors, (461), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:07:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 527 transitions. [2025-03-09 02:07:24,671 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 527 transitions. Word has length 275 [2025-03-09 02:07:24,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:24,671 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 527 transitions. [2025-03-09 02:07:24,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:07:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 527 transitions. [2025-03-09 02:07:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-03-09 02:07:24,672 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:24,672 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:24,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-03-09 02:07:24,672 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:24,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:24,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1463955418, now seen corresponding path program 2 times [2025-03-09 02:07:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820597011] [2025-03-09 02:07:24,673 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:24,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:24,679 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 276 statements into 2 equivalence classes. [2025-03-09 02:07:24,688 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-03-09 02:07:24,688 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:24,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:07:24,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:24,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820597011] [2025-03-09 02:07:24,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820597011] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:24,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674533677] [2025-03-09 02:07:24,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:07:24,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:24,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:24,889 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 02:07:24,891 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 02:07:24,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 276 statements into 2 equivalence classes. [2025-03-09 02:07:24,948 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-03-09 02:07:24,948 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:07:24,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:24,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:07:24,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:07:25,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:26,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674533677] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:26,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:07:26,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:07:26,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373717401] [2025-03-09 02:07:26,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:26,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:07:26,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:26,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:07:26,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:07:26,565 INFO L87 Difference]: Start difference. First operand 479 states and 527 transitions. Second operand has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-09 02:07:28,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:28,164 INFO L93 Difference]: Finished difference Result 479 states and 527 transitions. [2025-03-09 02:07:28,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:07:28,165 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 276 [2025-03-09 02:07:28,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:28,166 INFO L225 Difference]: With dead ends: 479 [2025-03-09 02:07:28,166 INFO L226 Difference]: Without dead ends: 443 [2025-03-09 02:07:28,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=751, Unknown=0, NotChecked=0, Total=930 [2025-03-09 02:07:28,167 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 541 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:28,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 400 Invalid, 2268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-09 02:07:28,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-03-09 02:07:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2025-03-09 02:07:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 368 states have (on average 1.1548913043478262) internal successors, (425), 410 states have internal predecessors, (425), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-09 02:07:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 487 transitions. [2025-03-09 02:07:28,185 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 487 transitions. Word has length 276 [2025-03-09 02:07:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:28,185 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 487 transitions. [2025-03-09 02:07:28,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-09 02:07:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 487 transitions. [2025-03-09 02:07:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-03-09 02:07:28,186 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:28,186 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-03-09 02:07:28,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-09 02:07:28,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:28,387 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-09 02:07:28,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:28,387 INFO L85 PathProgramCache]: Analyzing trace with hash 623126763, now seen corresponding path program 3 times [2025-03-09 02:07:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:28,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320957020] [2025-03-09 02:07:28,387 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:07:28,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:28,393 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-03-09 02:07:28,418 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 279 of 279 statements. [2025-03-09 02:07:28,418 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-09 02:07:28,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:28,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527398594] [2025-03-09 02:07:28,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:07:28,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:28,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:28,422 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 02:07:28,424 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 02:07:28,450 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-03-09 02:07:28,475 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 92 of 279 statements. [2025-03-09 02:07:28,476 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:07:28,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:28,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-09 02:07:28,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 146 proven. 94 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2025-03-09 02:07:30,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:35,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:35,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320957020] [2025-03-09 02:07:35,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:35,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527398594] [2025-03-09 02:07:35,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527398594] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:35,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:35,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-09 02:07:35,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194381364] [2025-03-09 02:07:35,469 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:35,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:07:35,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:35,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:07:35,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2025-03-09 02:07:35,469 INFO L87 Difference]: Start difference. First operand 443 states and 487 transitions. Second operand has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9)