./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark13_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/loop-zilu/benchmark13_conjunctive.i -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 cf06395da4b8f86107f4d086333b3a12be01d6e25ea5b5133d532da24fef3f46 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:53:56,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:53:56,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:53:56,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:53:56,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:53:56,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:53:56,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:53:56,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:53:56,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:53:56,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:53:56,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:53:56,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:53:56,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:53:56,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:53:56,665 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:53:56,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:53:56,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:53:56,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:53:56,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:53:56,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:53:56,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:53:56,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:53:56,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:53:56,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:53:56,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:53:56,671 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:53:56,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:53:56,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:53:56,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:53:56,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:53:56,671 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:53:56,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:53:56,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:53:56,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:53:56,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:53:56,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:53:56,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:53:56,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:53:56,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:53:56,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:53:56,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:53:56,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:53:56,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:53:56,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:53:56,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf06395da4b8f86107f4d086333b3a12be01d6e25ea5b5133d532da24fef3f46 [2024-11-10 18:53:56,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:53:56,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:53:56,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:53:56,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:53:56,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:53:56,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark13_conjunctive.i [2024-11-10 18:53:58,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:53:58,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:53:58,329 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark13_conjunctive.i [2024-11-10 18:53:58,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825d1559e/cbb8102eb19c405c91d0488c08945e38/FLAGc8ea1aa0f [2024-11-10 18:53:58,345 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825d1559e/cbb8102eb19c405c91d0488c08945e38 [2024-11-10 18:53:58,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:53:58,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:53:58,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:53:58,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:53:58,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:53:58,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aad331f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58, skipping insertion in model container [2024-11-10 18:53:58,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:53:58,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:53:58,551 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:53:58,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:53:58,574 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:53:58,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58 WrapperNode [2024-11-10 18:53:58,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:53:58,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:53:58,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:53:58,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:53:58,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,599 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-10 18:53:58,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:53:58,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:53:58,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:53:58,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:53:58,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,616 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]. [2024-11-10 18:53:58,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,618 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:53:58,621 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:53:58,622 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:53:58,622 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:53:58,622 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (1/1) ... [2024-11-10 18:53:58,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:53:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:58,652 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) [2024-11-10 18:53:58,659 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 [2024-11-10 18:53:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:53:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:53:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:53:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:53:58,803 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:53:58,804 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:53:58,921 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-10 18:53:58,921 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:53:58,930 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:53:58,930 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:53:58,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:53:58 BoogieIcfgContainer [2024-11-10 18:53:58,930 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:53:58,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:53:58,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:53:58,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:53:58,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:53:58" (1/3) ... [2024-11-10 18:53:58,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d076d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:53:58, skipping insertion in model container [2024-11-10 18:53:58,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:58" (2/3) ... [2024-11-10 18:53:58,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d076d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:53:58, skipping insertion in model container [2024-11-10 18:53:58,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:53:58" (3/3) ... [2024-11-10 18:53:58,952 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark13_conjunctive.i [2024-11-10 18:53:58,963 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:53:58,964 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 18:53:59,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:53:59,021 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;@534aaef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:53:59,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 18:53:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 18 states have (on average 1.5) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:53:59,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:59,029 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:53:59,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:53:59,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:59,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1744434808, now seen corresponding path program 1 times [2024-11-10 18:53:59,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:59,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49597353] [2024-11-10 18:53:59,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:59,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49597353] [2024-11-10 18:53:59,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49597353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:59,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:59,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:53:59,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287277785] [2024-11-10 18:53:59,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:59,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:53:59,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:59,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:53:59,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:59,210 INFO L87 Difference]: Start difference. First operand has 23 states, 18 states have (on average 1.5) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:59,251 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2024-11-10 18:53:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:53:59,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 18:53:59,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:59,259 INFO L225 Difference]: With dead ends: 30 [2024-11-10 18:53:59,259 INFO L226 Difference]: Without dead ends: 14 [2024-11-10 18:53:59,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:59,264 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:59,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 33 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:59,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-10 18:53:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-10 18:53:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 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) [2024-11-10 18:53:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-10 18:53:59,287 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 6 [2024-11-10 18:53:59,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:59,288 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-10 18:53:59,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-10 18:53:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:53:59,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:59,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:59,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:53:59,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:53:59,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1757095815, now seen corresponding path program 1 times [2024-11-10 18:53:59,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:59,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370548871] [2024-11-10 18:53:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:59,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:59,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370548871] [2024-11-10 18:53:59,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370548871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:59,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:59,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:53:59,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467651147] [2024-11-10 18:53:59,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:59,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:53:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:59,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:53:59,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:59,332 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-10 18:53:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:59,362 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2024-11-10 18:53:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:53:59,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-11-10 18:53:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:59,363 INFO L225 Difference]: With dead ends: 20 [2024-11-10 18:53:59,363 INFO L226 Difference]: Without dead ends: 19 [2024-11-10 18:53:59,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:59,365 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:59,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:59,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-10 18:53:59,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-10 18:53:59,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-10 18:53:59,372 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 7 [2024-11-10 18:53:59,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:59,372 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-10 18:53:59,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-10 18:53:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-10 18:53:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:53:59,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:59,373 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:59,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:53:59,376 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:53:59,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:59,377 INFO L85 PathProgramCache]: Analyzing trace with hash -646931401, now seen corresponding path program 1 times [2024-11-10 18:53:59,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:59,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401712966] [2024-11-10 18:53:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:59,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:59,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401712966] [2024-11-10 18:53:59,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401712966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:59,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:59,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:53:59,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930946730] [2024-11-10 18:53:59,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:59,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:53:59,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:59,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:53:59,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:53:59,433 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-10 18:53:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:59,444 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2024-11-10 18:53:59,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:53:59,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-10 18:53:59,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:59,446 INFO L225 Difference]: With dead ends: 18 [2024-11-10 18:53:59,446 INFO L226 Difference]: Without dead ends: 17 [2024-11-10 18:53:59,447 INFO L431 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 [2024-11-10 18:53:59,448 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:59,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:59,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-10 18:53:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-10 18:53:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-10 18:53:59,456 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 9 [2024-11-10 18:53:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:59,456 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-11-10 18:53:59,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-10 18:53:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-10 18:53:59,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:53:59,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:59,463 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:59,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:53:59,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:53:59,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1419963029, now seen corresponding path program 1 times [2024-11-10 18:53:59,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:59,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747168246] [2024-11-10 18:53:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:59,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:59,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747168246] [2024-11-10 18:53:59,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747168246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:59,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:59,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:53:59,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14218041] [2024-11-10 18:53:59,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:59,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:53:59,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:59,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:53:59,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:53:59,533 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-10 18:53:59,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:59,546 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-11-10 18:53:59,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:53:59,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-10 18:53:59,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:59,547 INFO L225 Difference]: With dead ends: 22 [2024-11-10 18:53:59,548 INFO L226 Difference]: Without dead ends: 21 [2024-11-10 18:53:59,548 INFO L431 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 [2024-11-10 18:53:59,553 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:59,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:59,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-10 18:53:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-10 18:53:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-11-10 18:53:59,563 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 10 [2024-11-10 18:53:59,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:59,563 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-11-10 18:53:59,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-10 18:53:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-10 18:53:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:53:59,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:59,566 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:59,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:53:59,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:53:59,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1950994765, now seen corresponding path program 1 times [2024-11-10 18:53:59,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:59,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030577216] [2024-11-10 18:53:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:59,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:59,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030577216] [2024-11-10 18:53:59,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030577216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:59,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494942755] [2024-11-10 18:53:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:59,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:59,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:59,641 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) [2024-11-10 18:53:59,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:53:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:59,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:59,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494942755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:59,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:59,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-10 18:53:59,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065158770] [2024-11-10 18:53:59,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:59,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:53:59,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:59,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:53:59,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:53:59,784 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:59,818 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2024-11-10 18:53:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:53:59,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-10 18:53:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:59,819 INFO L225 Difference]: With dead ends: 44 [2024-11-10 18:53:59,819 INFO L226 Difference]: Without dead ends: 43 [2024-11-10 18:53:59,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:53:59,820 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:59,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 53 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:59,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-10 18:53:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-10 18:53:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 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) [2024-11-10 18:53:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2024-11-10 18:53:59,824 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 15 [2024-11-10 18:53:59,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:59,825 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-10 18:53:59,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2024-11-10 18:53:59,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 18:53:59,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:59,825 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:59,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:54:00,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:00,030 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:00,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:00,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1707356699, now seen corresponding path program 1 times [2024-11-10 18:54:00,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:00,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640529980] [2024-11-10 18:54:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:00,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:00,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640529980] [2024-11-10 18:54:00,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640529980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:00,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50199266] [2024-11-10 18:54:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:00,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:00,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:00,065 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) [2024-11-10 18:54:00,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:54:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:00,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:54:00,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:00,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:00,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50199266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:00,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:00,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:54:00,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274321904] [2024-11-10 18:54:00,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:00,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:54:00,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:00,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:54:00,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:54:00,139 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-11-10 18:54:00,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:00,165 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2024-11-10 18:54:00,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:54:00,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-10 18:54:00,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:00,168 INFO L225 Difference]: With dead ends: 45 [2024-11-10 18:54:00,168 INFO L226 Difference]: Without dead ends: 44 [2024-11-10 18:54:00,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:54:00,169 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:00,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 36 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:54:00,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-10 18:54:00,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-10 18:54:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 43 states have internal predecessors, (44), 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) [2024-11-10 18:54:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2024-11-10 18:54:00,179 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 18 [2024-11-10 18:54:00,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:00,179 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2024-11-10 18:54:00,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-11-10 18:54:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2024-11-10 18:54:00,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 18:54:00,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:00,181 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-10 18:54:00,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:54:00,381 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,SelfDestructingSolverStorable5 [2024-11-10 18:54:00,382 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:00,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:00,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2075465057, now seen corresponding path program 2 times [2024-11-10 18:54:00,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:00,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375194388] [2024-11-10 18:54:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:00,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:00,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375194388] [2024-11-10 18:54:00,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375194388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:00,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877375067] [2024-11-10 18:54:00,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:54:00,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:00,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:00,556 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) [2024-11-10 18:54:00,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:54:00,598 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:54:00,598 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:00,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:54:00,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:00,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:00,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877375067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:00,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:00,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-10 18:54:00,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938776472] [2024-11-10 18:54:00,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:00,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 18:54:00,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:00,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 18:54:00,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:54:00,787 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 22 states have internal predecessors, (76), 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) [2024-11-10 18:54:00,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:00,845 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2024-11-10 18:54:00,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:54:00,846 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 22 states have internal predecessors, (76), 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 39 [2024-11-10 18:54:00,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:00,846 INFO L225 Difference]: With dead ends: 95 [2024-11-10 18:54:00,846 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 18:54:00,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:54:00,847 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:00,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 84 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:54:00,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 18:54:00,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 89. [2024-11-10 18:54:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 87 states have (on average 1.0804597701149425) internal successors, (94), 88 states have internal predecessors, (94), 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) [2024-11-10 18:54:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2024-11-10 18:54:00,854 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 39 [2024-11-10 18:54:00,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:00,854 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-11-10 18:54:00,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 22 states have internal predecessors, (76), 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) [2024-11-10 18:54:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2024-11-10 18:54:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 18:54:00,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:00,855 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-10 18:54:00,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:54:01,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:01,060 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:01,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:01,061 INFO L85 PathProgramCache]: Analyzing trace with hash -169696083, now seen corresponding path program 2 times [2024-11-10 18:54:01,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:01,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034795375] [2024-11-10 18:54:01,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:01,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:01,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034795375] [2024-11-10 18:54:01,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034795375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297858506] [2024-11-10 18:54:01,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:54:01,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:01,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:01,151 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) [2024-11-10 18:54:01,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:54:01,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:54:01,207 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:01,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:54:01,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:01,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:01,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297858506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:01,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:01,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 18:54:01,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904083568] [2024-11-10 18:54:01,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:01,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:54:01,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:01,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:54:01,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:54:01,332 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 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) [2024-11-10 18:54:01,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:01,379 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2024-11-10 18:54:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:54:01,380 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 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 42 [2024-11-10 18:54:01,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:01,384 INFO L225 Difference]: With dead ends: 93 [2024-11-10 18:54:01,384 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 18:54:01,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:54:01,385 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:01,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 66 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:54:01,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 18:54:01,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-10 18:54:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 90 states have (on average 1.0222222222222221) internal successors, (92), 91 states have internal predecessors, (92), 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) [2024-11-10 18:54:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2024-11-10 18:54:01,395 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 42 [2024-11-10 18:54:01,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:01,395 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2024-11-10 18:54:01,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 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) [2024-11-10 18:54:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2024-11-10 18:54:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 18:54:01,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:01,401 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-10 18:54:01,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:54:01,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:01,602 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:01,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash 462939325, now seen corresponding path program 3 times [2024-11-10 18:54:01,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:01,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748888785] [2024-11-10 18:54:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:01,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:01,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748888785] [2024-11-10 18:54:01,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748888785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:01,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14572556] [2024-11-10 18:54:01,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:54:01,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:01,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:01,997 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) [2024-11-10 18:54:01,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:54:02,044 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 18:54:02,044 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:02,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 18:54:02,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:02,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:02,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14572556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:02,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:02,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-10 18:54:02,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729977354] [2024-11-10 18:54:02,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:02,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-10 18:54:02,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:02,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-10 18:54:02,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 18:54:02,617 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand has 46 states, 45 states have (on average 3.8222222222222224) internal successors, (172), 46 states have internal predecessors, (172), 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) [2024-11-10 18:54:02,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:02,719 INFO L93 Difference]: Finished difference Result 197 states and 208 transitions. [2024-11-10 18:54:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-10 18:54:02,719 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.8222222222222224) internal successors, (172), 46 states have internal predecessors, (172), 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 87 [2024-11-10 18:54:02,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:02,720 INFO L225 Difference]: With dead ends: 197 [2024-11-10 18:54:02,720 INFO L226 Difference]: Without dead ends: 196 [2024-11-10 18:54:02,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 18:54:02,721 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 27 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:02,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 167 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:54:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-10 18:54:02,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 185. [2024-11-10 18:54:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.0710382513661203) internal successors, (196), 184 states have internal predecessors, (196), 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) [2024-11-10 18:54:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2024-11-10 18:54:02,730 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 87 [2024-11-10 18:54:02,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:02,730 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2024-11-10 18:54:02,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.8222222222222224) internal successors, (172), 46 states have internal predecessors, (172), 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) [2024-11-10 18:54:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2024-11-10 18:54:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 18:54:02,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:02,733 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2024-11-10 18:54:02,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:54:02,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:02,934 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:02,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:02,935 INFO L85 PathProgramCache]: Analyzing trace with hash 285427665, now seen corresponding path program 3 times [2024-11-10 18:54:02,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:02,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830502893] [2024-11-10 18:54:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:02,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:03,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:03,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830502893] [2024-11-10 18:54:03,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830502893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:03,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026332529] [2024-11-10 18:54:03,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:54:03,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:03,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:03,088 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) [2024-11-10 18:54:03,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:54:03,133 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 18:54:03,133 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:03,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:54:03,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:03,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:03,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026332529] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:03,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:03,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-10 18:54:03,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714778699] [2024-11-10 18:54:03,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:03,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:54:03,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:03,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:54:03,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:54:03,509 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 24 states have internal predecessors, (178), 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) [2024-11-10 18:54:03,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:03,629 INFO L93 Difference]: Finished difference Result 189 states and 200 transitions. [2024-11-10 18:54:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 18:54:03,629 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 24 states have internal predecessors, (178), 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 90 [2024-11-10 18:54:03,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:03,630 INFO L225 Difference]: With dead ends: 189 [2024-11-10 18:54:03,630 INFO L226 Difference]: Without dead ends: 188 [2024-11-10 18:54:03,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:54:03,631 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:03,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 124 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:54:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-10 18:54:03,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-10 18:54:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 186 states have (on average 1.010752688172043) internal successors, (188), 187 states have internal predecessors, (188), 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) [2024-11-10 18:54:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2024-11-10 18:54:03,656 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 90 [2024-11-10 18:54:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:03,657 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2024-11-10 18:54:03,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 24 states have internal predecessors, (178), 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) [2024-11-10 18:54:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2024-11-10 18:54:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 18:54:03,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:03,658 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-10 18:54:03,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:54:03,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:03,859 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:03,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:03,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1724281995, now seen corresponding path program 4 times [2024-11-10 18:54:03,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:03,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526629540] [2024-11-10 18:54:03,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:03,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:05,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:05,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526629540] [2024-11-10 18:54:05,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526629540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:05,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104632915] [2024-11-10 18:54:05,102 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:54:05,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:05,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:05,106 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) [2024-11-10 18:54:05,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:54:05,192 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:54:05,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:05,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-10 18:54:05,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:05,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:07,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104632915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:07,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:07,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-10 18:54:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841446916] [2024-11-10 18:54:07,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:07,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-10 18:54:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:07,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-10 18:54:07,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-10 18:54:07,278 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand has 94 states, 93 states have (on average 3.913978494623656) internal successors, (364), 94 states have internal predecessors, (364), 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) [2024-11-10 18:54:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:07,532 INFO L93 Difference]: Finished difference Result 401 states and 424 transitions. [2024-11-10 18:54:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-10 18:54:07,532 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.913978494623656) internal successors, (364), 94 states have internal predecessors, (364), 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 183 [2024-11-10 18:54:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:07,534 INFO L225 Difference]: With dead ends: 401 [2024-11-10 18:54:07,534 INFO L226 Difference]: Without dead ends: 400 [2024-11-10 18:54:07,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-10 18:54:07,537 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 73 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:07,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 262 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:54:07,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-10 18:54:07,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 377. [2024-11-10 18:54:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 375 states have (on average 1.0666666666666667) internal successors, (400), 376 states have internal predecessors, (400), 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) [2024-11-10 18:54:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 400 transitions. [2024-11-10 18:54:07,557 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 400 transitions. Word has length 183 [2024-11-10 18:54:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:07,557 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 400 transitions. [2024-11-10 18:54:07,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.913978494623656) internal successors, (364), 94 states have internal predecessors, (364), 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) [2024-11-10 18:54:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 400 transitions. [2024-11-10 18:54:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-10 18:54:07,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:07,559 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2024-11-10 18:54:07,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:54:07,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:07,764 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:07,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:07,765 INFO L85 PathProgramCache]: Analyzing trace with hash -276068839, now seen corresponding path program 4 times [2024-11-10 18:54:07,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:07,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245566285] [2024-11-10 18:54:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:07,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:08,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:08,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245566285] [2024-11-10 18:54:08,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245566285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:08,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123808471] [2024-11-10 18:54:08,357 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:54:08,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:08,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:08,359 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) [2024-11-10 18:54:08,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:54:08,415 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:54:08,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:08,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 18:54:08,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:08,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:09,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123808471] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:09,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:09,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-10 18:54:09,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472536460] [2024-11-10 18:54:09,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:09,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 18:54:09,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:09,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 18:54:09,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:54:09,296 INFO L87 Difference]: Start difference. First operand 377 states and 400 transitions. Second operand has 48 states, 47 states have (on average 7.872340425531915) internal successors, (370), 48 states have internal predecessors, (370), 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) [2024-11-10 18:54:09,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:09,449 INFO L93 Difference]: Finished difference Result 381 states and 404 transitions. [2024-11-10 18:54:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 18:54:09,450 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 7.872340425531915) internal successors, (370), 48 states have internal predecessors, (370), 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 186 [2024-11-10 18:54:09,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:09,454 INFO L225 Difference]: With dead ends: 381 [2024-11-10 18:54:09,454 INFO L226 Difference]: Without dead ends: 380 [2024-11-10 18:54:09,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:54:09,455 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:09,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 248 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:54:09,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-10 18:54:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-10 18:54:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 378 states have (on average 1.0052910052910053) internal successors, (380), 379 states have internal predecessors, (380), 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) [2024-11-10 18:54:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 380 transitions. [2024-11-10 18:54:09,474 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 380 transitions. Word has length 186 [2024-11-10 18:54:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:09,474 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 380 transitions. [2024-11-10 18:54:09,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.872340425531915) internal successors, (370), 48 states have internal predecessors, (370), 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) [2024-11-10 18:54:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 380 transitions. [2024-11-10 18:54:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-10 18:54:09,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:09,487 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2024-11-10 18:54:09,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:54:09,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 18:54:09,688 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:09,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:09,689 INFO L85 PathProgramCache]: Analyzing trace with hash 774699237, now seen corresponding path program 5 times [2024-11-10 18:54:09,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:09,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742495682] [2024-11-10 18:54:09,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:09,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:13,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:13,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742495682] [2024-11-10 18:54:13,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742495682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:13,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945946718] [2024-11-10 18:54:13,455 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:54:13,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:13,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:13,456 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) [2024-11-10 18:54:13,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:54:13,580 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 18:54:13,580 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:13,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-10 18:54:13,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:13,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:19,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945946718] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:19,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:19,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-10 18:54:19,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630022932] [2024-11-10 18:54:19,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:19,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-10 18:54:19,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:19,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-10 18:54:19,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-10 18:54:19,425 INFO L87 Difference]: Start difference. First operand 380 states and 380 transitions. Second operand has 190 states, 189 states have (on average 3.9576719576719577) internal successors, (748), 190 states have internal predecessors, (748), 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) [2024-11-10 18:54:19,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:19,990 INFO L93 Difference]: Finished difference Result 809 states and 856 transitions. [2024-11-10 18:54:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-10 18:54:19,991 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.9576719576719577) internal successors, (748), 190 states have internal predecessors, (748), 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 375 [2024-11-10 18:54:19,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:19,993 INFO L225 Difference]: With dead ends: 809 [2024-11-10 18:54:19,993 INFO L226 Difference]: Without dead ends: 808 [2024-11-10 18:54:19,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-10 18:54:19,995 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 151 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:19,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 464 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:54:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-10 18:54:20,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 761. [2024-11-10 18:54:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 759 states have (on average 1.064558629776021) internal successors, (808), 760 states have internal predecessors, (808), 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) [2024-11-10 18:54:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 808 transitions. [2024-11-10 18:54:20,010 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 808 transitions. Word has length 375 [2024-11-10 18:54:20,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:20,011 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 808 transitions. [2024-11-10 18:54:20,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.9576719576719577) internal successors, (748), 190 states have internal predecessors, (748), 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) [2024-11-10 18:54:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 808 transitions. [2024-11-10 18:54:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-10 18:54:20,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:20,015 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1] [2024-11-10 18:54:20,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:54:20,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 18:54:20,216 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:20,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:20,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2089295191, now seen corresponding path program 5 times [2024-11-10 18:54:20,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:20,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853954085] [2024-11-10 18:54:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:20,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:21,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:21,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853954085] [2024-11-10 18:54:21,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853954085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:21,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302120145] [2024-11-10 18:54:21,507 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:54:21,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:21,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:21,508 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) [2024-11-10 18:54:21,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:54:21,628 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 18:54:21,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:21,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-10 18:54:21,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:21,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:24,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302120145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:24,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:24,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-10 18:54:24,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556282264] [2024-11-10 18:54:24,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:24,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 18:54:24,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:24,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 18:54:24,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:54:24,258 INFO L87 Difference]: Start difference. First operand 761 states and 808 transitions. Second operand has 96 states, 95 states have (on average 7.936842105263158) internal successors, (754), 96 states have internal predecessors, (754), 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) [2024-11-10 18:54:24,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:24,664 INFO L93 Difference]: Finished difference Result 765 states and 812 transitions. [2024-11-10 18:54:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-10 18:54:24,665 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.936842105263158) internal successors, (754), 96 states have internal predecessors, (754), 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 378 [2024-11-10 18:54:24,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:24,668 INFO L225 Difference]: With dead ends: 765 [2024-11-10 18:54:24,668 INFO L226 Difference]: Without dead ends: 764 [2024-11-10 18:54:24,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:54:24,670 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:24,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 494 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:54:24,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-10 18:54:24,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2024-11-10 18:54:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 762 states have (on average 1.0026246719160106) internal successors, (764), 763 states have internal predecessors, (764), 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) [2024-11-10 18:54:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 764 transitions. [2024-11-10 18:54:24,687 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 764 transitions. Word has length 378 [2024-11-10 18:54:24,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:24,688 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 764 transitions. [2024-11-10 18:54:24,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.936842105263158) internal successors, (754), 96 states have internal predecessors, (754), 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) [2024-11-10 18:54:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 764 transitions. [2024-11-10 18:54:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2024-11-10 18:54:24,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:24,701 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 94, 1, 1, 1, 1] [2024-11-10 18:54:24,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:54:24,905 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,SelfDestructingSolverStorable13 [2024-11-10 18:54:24,906 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:54:24,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:24,909 INFO L85 PathProgramCache]: Analyzing trace with hash -791391291, now seen corresponding path program 6 times [2024-11-10 18:54:24,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:24,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195565006] [2024-11-10 18:54:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:24,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 35344 backedges. 0 proven. 35344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:40,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:40,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195565006] [2024-11-10 18:54:40,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195565006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:40,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812661091] [2024-11-10 18:54:40,324 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:54:40,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:40,326 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) [2024-11-10 18:54:40,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:54:40,607 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-10 18:54:40,607 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:40,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-10 18:54:40,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 35344 backedges. 0 proven. 35344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:41,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:55:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 35344 backedges. 0 proven. 35344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:06,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812661091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:55:06,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:55:06,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2024-11-10 18:55:06,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106706033] [2024-11-10 18:55:06,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:55:06,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2024-11-10 18:55:06,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:06,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2024-11-10 18:55:06,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-10 18:55:06,117 INFO L87 Difference]: Start difference. First operand 764 states and 764 transitions. Second operand has 382 states, 381 states have (on average 3.979002624671916) internal successors, (1516), 382 states have internal predecessors, (1516), 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) [2024-11-10 18:55:09,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:55:09,469 INFO L93 Difference]: Finished difference Result 1625 states and 1720 transitions. [2024-11-10 18:55:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2024-11-10 18:55:09,470 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 3.979002624671916) internal successors, (1516), 382 states have internal predecessors, (1516), 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 759 [2024-11-10 18:55:09,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:55:09,474 INFO L225 Difference]: With dead ends: 1625 [2024-11-10 18:55:09,474 INFO L226 Difference]: Without dead ends: 1624 [2024-11-10 18:55:09,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1707 GetRequests, 1327 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44557 ImplicationChecksByTransitivity, 31.9s TimeCoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-10 18:55:09,479 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 376 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:55:09,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 920 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:55:09,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2024-11-10 18:55:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1529. [2024-11-10 18:55:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1527 states have (on average 1.063523248199083) internal successors, (1624), 1528 states have internal predecessors, (1624), 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) [2024-11-10 18:55:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1624 transitions. [2024-11-10 18:55:09,498 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1624 transitions. Word has length 759 [2024-11-10 18:55:09,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:55:09,499 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1624 transitions. [2024-11-10 18:55:09,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 3.979002624671916) internal successors, (1516), 382 states have internal predecessors, (1516), 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) [2024-11-10 18:55:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1624 transitions. [2024-11-10 18:55:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2024-11-10 18:55:09,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:09,503 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 94, 94, 1, 1, 1, 1] [2024-11-10 18:55:09,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:55:09,703 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,SelfDestructingSolverStorable14 [2024-11-10 18:55:09,703 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:55:09,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:09,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1262478391, now seen corresponding path program 6 times [2024-11-10 18:55:09,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:09,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923951482] [2024-11-10 18:55:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:09,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 35626 backedges. 0 proven. 35626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:15,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:55:15,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923951482] [2024-11-10 18:55:15,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923951482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:55:15,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972137890] [2024-11-10 18:55:15,049 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:55:15,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:55:15,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:55:15,051 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) [2024-11-10 18:55:15,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:55:15,361 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-10 18:55:15,362 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:55:15,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-10 18:55:15,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:55:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 35626 backedges. 0 proven. 35626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:15,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:55:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 35626 backedges. 0 proven. 35626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:25,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972137890] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:55:25,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:55:25,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-10 18:55:25,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41713127] [2024-11-10 18:55:25,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:55:25,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-10 18:55:25,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:25,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-10 18:55:25,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:55:25,349 INFO L87 Difference]: Start difference. First operand 1529 states and 1624 transitions. Second operand has 192 states, 191 states have (on average 7.968586387434555) internal successors, (1522), 192 states have internal predecessors, (1522), 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) [2024-11-10 18:55:26,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:55:26,612 INFO L93 Difference]: Finished difference Result 1533 states and 1628 transitions. [2024-11-10 18:55:26,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-10 18:55:26,613 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 7.968586387434555) internal successors, (1522), 192 states have internal predecessors, (1522), 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 762 [2024-11-10 18:55:26,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:55:26,617 INFO L225 Difference]: With dead ends: 1533 [2024-11-10 18:55:26,617 INFO L226 Difference]: Without dead ends: 1532 [2024-11-10 18:55:26,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1618 GetRequests, 1428 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:55:26,619 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:55:26,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 966 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:55:26,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-10 18:55:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2024-11-10 18:55:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1530 states have (on average 1.0013071895424837) internal successors, (1532), 1531 states have internal predecessors, (1532), 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) [2024-11-10 18:55:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1532 transitions. [2024-11-10 18:55:26,639 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1532 transitions. Word has length 762 [2024-11-10 18:55:26,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:55:26,639 INFO L471 AbstractCegarLoop]: Abstraction has 1532 states and 1532 transitions. [2024-11-10 18:55:26,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 7.968586387434555) internal successors, (1522), 192 states have internal predecessors, (1522), 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) [2024-11-10 18:55:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1532 transitions. [2024-11-10 18:55:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1528 [2024-11-10 18:55:26,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:26,650 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 191, 190, 190, 190, 190, 190, 1, 1, 1, 1] [2024-11-10 18:55:26,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 18:55:26,854 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,SelfDestructingSolverStorable15 [2024-11-10 18:55:26,855 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:55:26,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:26,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1994061435, now seen corresponding path program 7 times [2024-11-10 18:55:26,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:26,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48083179] [2024-11-10 18:55:26,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat