./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark38_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 366d45071e2a444aa552f231e24508af3eb704e415c6b738128a0398e54b53a7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:22:07,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:22:07,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:22:07,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:22:07,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:22:08,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:22:08,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:22:08,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:22:08,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:22:08,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:22:08,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:22:08,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:22:08,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:22:08,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:22:08,012 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:22:08,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:22:08,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:22:08,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:22:08,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:22:08,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:22:08,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:22:08,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:22:08,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:22:08,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:22:08,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:22:08,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:22:08,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:22:08,019 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:22:08,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:22:08,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:22:08,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:22:08,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:22:08,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:22:08,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:22:08,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:22:08,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:22:08,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:22:08,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:22:08,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:22:08,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:22:08,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:22:08,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:22:08,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:22:08,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:22:08,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 366d45071e2a444aa552f231e24508af3eb704e415c6b738128a0398e54b53a7 [2024-11-20 18:22:08,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:22:08,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:22:08,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:22:08,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:22:08,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:22:08,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i [2024-11-20 18:22:09,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:22:09,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:22:09,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i [2024-11-20 18:22:09,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b730d391/e7c2a26c516b4663838b66110fe3e30a/FLAG878e63414 [2024-11-20 18:22:09,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b730d391/e7c2a26c516b4663838b66110fe3e30a [2024-11-20 18:22:09,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:22:09,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:22:09,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:22:09,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:22:09,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:22:09,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:09" (1/1) ... [2024-11-20 18:22:09,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3b2fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:09, skipping insertion in model container [2024-11-20 18:22:09,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:09" (1/1) ... [2024-11-20 18:22:09,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:22:10,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:22:10,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:22:10,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:22:10,212 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:22:10,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10 WrapperNode [2024-11-20 18:22:10,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:22:10,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:22:10,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:22:10,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:22:10,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,240 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-20 18:22:10,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:22:10,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:22:10,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:22:10,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:22:10,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,265 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]. [2024-11-20 18:22:10,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:22:10,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:22:10,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:22:10,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:22:10,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (1/1) ... [2024-11-20 18:22:10,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:22:10,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:10,311 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) [2024-11-20 18:22:10,314 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 [2024-11-20 18:22:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:22:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:22:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:22:10,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:22:10,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:22:10,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:22:10,597 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 18:22:10,599 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:22:10,612 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:22:10,613 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:22:10,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:10 BoogieIcfgContainer [2024-11-20 18:22:10,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:22:10,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:22:10,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:22:10,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:22:10,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:22:09" (1/3) ... [2024-11-20 18:22:10,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abb6b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:22:10, skipping insertion in model container [2024-11-20 18:22:10,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:10" (2/3) ... [2024-11-20 18:22:10,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abb6b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:22:10, skipping insertion in model container [2024-11-20 18:22:10,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:10" (3/3) ... [2024-11-20 18:22:10,624 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark38_conjunctive.i [2024-11-20 18:22:10,643 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:22:10,644 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 18:22:10,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:22:10,714 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;@4d556aa2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:22:10,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 18:22:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 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) [2024-11-20 18:22:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 18:22:10,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:10,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 18:22:10,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:10,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:10,734 INFO L85 PathProgramCache]: Analyzing trace with hash 28696326, now seen corresponding path program 1 times [2024-11-20 18:22:10,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:10,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248349472] [2024-11-20 18:22:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:10,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:10,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:10,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248349472] [2024-11-20 18:22:10,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248349472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:22:10,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:22:10,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:22:10,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704894400] [2024-11-20 18:22:10,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:22:10,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:22:10,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:10,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:22:10,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:22:10,894 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:10,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:10,904 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2024-11-20 18:22:10,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:22:10,906 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 18:22:10,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:10,911 INFO L225 Difference]: With dead ends: 34 [2024-11-20 18:22:10,911 INFO L226 Difference]: Without dead ends: 17 [2024-11-20 18:22:10,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:22:10,916 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:10,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:10,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-20 18:22:10,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-20 18:22:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.5454545454545454) 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) [2024-11-20 18:22:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-20 18:22:10,943 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 5 [2024-11-20 18:22:10,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:10,943 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-11-20 18:22:10,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-20 18:22:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:22:10,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:10,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:22:10,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:22:10,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:10,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:10,945 INFO L85 PathProgramCache]: Analyzing trace with hash 889571337, now seen corresponding path program 1 times [2024-11-20 18:22:10,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:10,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536470042] [2024-11-20 18:22:10,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:10,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:11,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536470042] [2024-11-20 18:22:11,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536470042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:22:11,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:22:11,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:22:11,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763328883] [2024-11-20 18:22:11,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:22:11,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:22:11,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:11,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:22:11,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:22:11,010 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:11,032 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-20 18:22:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:22:11,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:22:11,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:11,033 INFO L225 Difference]: With dead ends: 17 [2024-11-20 18:22:11,034 INFO L226 Difference]: Without dead ends: 16 [2024-11-20 18:22:11,035 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 [2024-11-20 18:22:11,036 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:11,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-20 18:22:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-20 18:22:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-20 18:22:11,041 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 6 [2024-11-20 18:22:11,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:11,042 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-11-20 18:22:11,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-20 18:22:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:22:11,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:11,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:22:11,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:22:11,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:11,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:11,045 INFO L85 PathProgramCache]: Analyzing trace with hash 889571286, now seen corresponding path program 1 times [2024-11-20 18:22:11,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:11,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952680226] [2024-11-20 18:22:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:11,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952680226] [2024-11-20 18:22:11,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952680226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:22:11,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:22:11,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:22:11,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832384908] [2024-11-20 18:22:11,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:22:11,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:22:11,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:11,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:22:11,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:22:11,113 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:11,133 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2024-11-20 18:22:11,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:22:11,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:22:11,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:11,134 INFO L225 Difference]: With dead ends: 24 [2024-11-20 18:22:11,134 INFO L226 Difference]: Without dead ends: 23 [2024-11-20 18:22:11,135 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 [2024-11-20 18:22:11,136 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:11,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:11,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-20 18:22:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2024-11-20 18:22:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 18 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) [2024-11-20 18:22:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-20 18:22:11,140 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 6 [2024-11-20 18:22:11,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:11,141 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-20 18:22:11,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-20 18:22:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:22:11,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:11,142 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:11,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:22:11,142 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:11,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:11,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907722, now seen corresponding path program 1 times [2024-11-20 18:22:11,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:11,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318803541] [2024-11-20 18:22:11,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:11,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:11,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318803541] [2024-11-20 18:22:11,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318803541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:22:11,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:22:11,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:22:11,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364821119] [2024-11-20 18:22:11,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:22:11,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:22:11,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:11,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:22:11,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:22:11,202 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-20 18:22:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:11,218 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-20 18:22:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:22:11,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2024-11-20 18:22:11,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:11,219 INFO L225 Difference]: With dead ends: 24 [2024-11-20 18:22:11,220 INFO L226 Difference]: Without dead ends: 23 [2024-11-20 18:22:11,220 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 [2024-11-20 18:22:11,221 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:11,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:11,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-20 18:22:11,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-20 18:22:11,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-20 18:22:11,226 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2024-11-20 18:22:11,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:11,227 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-20 18:22:11,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-20 18:22:11,227 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-20 18:22:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:22:11,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:11,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:11,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:22:11,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:11,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:11,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1806906152, now seen corresponding path program 1 times [2024-11-20 18:22:11,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:11,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795932963] [2024-11-20 18:22:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:11,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:11,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795932963] [2024-11-20 18:22:11,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795932963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:22:11,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:22:11,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:22:11,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377739131] [2024-11-20 18:22:11,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:22:11,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:22:11,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:22:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:22:11,274 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-20 18:22:11,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:11,296 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2024-11-20 18:22:11,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:22:11,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2024-11-20 18:22:11,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:11,297 INFO L225 Difference]: With dead ends: 23 [2024-11-20 18:22:11,297 INFO L226 Difference]: Without dead ends: 20 [2024-11-20 18:22:11,298 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 [2024-11-20 18:22:11,299 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23 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 [2024-11-20 18:22:11,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:11,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-20 18:22:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-20 18:22:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.3333333333333333) 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) [2024-11-20 18:22:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-11-20 18:22:11,305 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 7 [2024-11-20 18:22:11,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:11,306 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-11-20 18:22:11,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-20 18:22:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-20 18:22:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 18:22:11,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:11,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:11,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:22:11,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:11,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:11,309 INFO L85 PathProgramCache]: Analyzing trace with hash 179564587, now seen corresponding path program 1 times [2024-11-20 18:22:11,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:11,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585860287] [2024-11-20 18:22:11,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:11,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585860287] [2024-11-20 18:22:11,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585860287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:22:11,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:22:11,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:22:11,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137917294] [2024-11-20 18:22:11,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:22:11,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:22:11,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:11,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:22:11,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:22:11,388 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:11,412 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2024-11-20 18:22:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:22:11,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 18:22:11,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:11,413 INFO L225 Difference]: With dead ends: 20 [2024-11-20 18:22:11,414 INFO L226 Difference]: Without dead ends: 18 [2024-11-20 18:22:11,414 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 [2024-11-20 18:22:11,415 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:11,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:11,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-20 18:22:11,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-20 18:22:11,419 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) [2024-11-20 18:22:11,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-20 18:22:11,424 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8 [2024-11-20 18:22:11,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:11,424 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-20 18:22:11,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:22:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-20 18:22:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 18:22:11,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:11,428 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:11,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:22:11,428 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:11,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:11,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1271534956, now seen corresponding path program 1 times [2024-11-20 18:22:11,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:11,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663603947] [2024-11-20 18:22:11,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:11,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663603947] [2024-11-20 18:22:11,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663603947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:22:11,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:22:11,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:22:11,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067695007] [2024-11-20 18:22:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:22:11,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:22:11,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:22:11,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:22:11,503 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-20 18:22:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:11,528 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2024-11-20 18:22:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:22:11,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2024-11-20 18:22:11,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:11,529 INFO L225 Difference]: With dead ends: 21 [2024-11-20 18:22:11,529 INFO L226 Difference]: Without dead ends: 20 [2024-11-20 18:22:11,530 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 [2024-11-20 18:22:11,531 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:11,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-20 18:22:11,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-20 18:22:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) 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) [2024-11-20 18:22:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-11-20 18:22:11,536 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9 [2024-11-20 18:22:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:11,538 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-11-20 18:22:11,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-20 18:22:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-20 18:22:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-20 18:22:11,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:11,539 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:11,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:22:11,540 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:11,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:11,540 INFO L85 PathProgramCache]: Analyzing trace with hash -2067968621, now seen corresponding path program 1 times [2024-11-20 18:22:11,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:11,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474856904] [2024-11-20 18:22:11,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:11,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:11,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474856904] [2024-11-20 18:22:11,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474856904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:11,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274141216] [2024-11-20 18:22:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:11,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:11,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:11,627 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) [2024-11-20 18:22:11,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:22:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:11,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:22:11,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:11,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274141216] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:11,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:11,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 18:22:11,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016350293] [2024-11-20 18:22:11,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:11,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:22:11,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:11,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:22:11,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:22:11,795 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-11-20 18:22:11,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:11,833 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2024-11-20 18:22:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:22:11,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-20 18:22:11,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:11,835 INFO L225 Difference]: With dead ends: 48 [2024-11-20 18:22:11,835 INFO L226 Difference]: Without dead ends: 47 [2024-11-20 18:22:11,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:22:11,836 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:11,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 46 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:11,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-20 18:22:11,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2024-11-20 18:22:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 35 states have internal predecessors, (41), 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) [2024-11-20 18:22:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2024-11-20 18:22:11,849 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2024-11-20 18:22:11,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:11,850 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2024-11-20 18:22:11,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-11-20 18:22:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-20 18:22:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-20 18:22:11,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:11,852 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:11,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 18:22:12,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:12,054 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:12,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:12,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2067970191, now seen corresponding path program 1 times [2024-11-20 18:22:12,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:12,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741007948] [2024-11-20 18:22:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:12,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:12,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:12,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741007948] [2024-11-20 18:22:12,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741007948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:12,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668948520] [2024-11-20 18:22:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:12,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:12,125 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) [2024-11-20 18:22:12,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:22:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:12,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:22:12,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:12,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:12,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668948520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:12,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:12,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-20 18:22:12,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218031203] [2024-11-20 18:22:12,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:12,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:22:12,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:12,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:22:12,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:22:12,227 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 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) [2024-11-20 18:22:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:12,276 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2024-11-20 18:22:12,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:22:12,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-20 18:22:12,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:12,279 INFO L225 Difference]: With dead ends: 42 [2024-11-20 18:22:12,279 INFO L226 Difference]: Without dead ends: 36 [2024-11-20 18:22:12,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:22:12,280 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:12,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 51 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:12,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-20 18:22:12,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-20 18:22:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 35 states have internal predecessors, (38), 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) [2024-11-20 18:22:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2024-11-20 18:22:12,291 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 13 [2024-11-20 18:22:12,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:12,291 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2024-11-20 18:22:12,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 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) [2024-11-20 18:22:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-11-20 18:22:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 18:22:12,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:12,292 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-20 18:22:12,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:22:12,493 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,SelfDestructingSolverStorable8 [2024-11-20 18:22:12,493 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:12,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:12,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1507456702, now seen corresponding path program 1 times [2024-11-20 18:22:12,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:12,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936158987] [2024-11-20 18:22:12,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:12,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:12,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:12,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936158987] [2024-11-20 18:22:12,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936158987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:12,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698737059] [2024-11-20 18:22:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:12,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:12,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:12,600 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) [2024-11-20 18:22:12,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:22:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:12,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:22:12,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:12,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:12,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698737059] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:12,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:12,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-20 18:22:12,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909418023] [2024-11-20 18:22:12,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:12,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:22:12,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:12,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:22:12,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:22:12,837 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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) [2024-11-20 18:22:12,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:12,897 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2024-11-20 18:22:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:22:12,897 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-20 18:22:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:12,899 INFO L225 Difference]: With dead ends: 59 [2024-11-20 18:22:12,899 INFO L226 Difference]: Without dead ends: 58 [2024-11-20 18:22:12,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:22:12,900 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:12,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:22:12,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-20 18:22:12,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2024-11-20 18:22:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 49 states have internal predecessors, (55), 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) [2024-11-20 18:22:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-11-20 18:22:12,910 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 21 [2024-11-20 18:22:12,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:12,911 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-11-20 18:22:12,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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) [2024-11-20 18:22:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-11-20 18:22:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 18:22:12,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:12,912 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:12,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:22:13,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:13,113 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:13,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:13,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1517825987, now seen corresponding path program 2 times [2024-11-20 18:22:13,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:13,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817582925] [2024-11-20 18:22:13,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:13,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:13,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:13,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817582925] [2024-11-20 18:22:13,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817582925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:13,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808120782] [2024-11-20 18:22:13,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:22:13,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:13,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:13,217 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) [2024-11-20 18:22:13,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:22:13,251 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:22:13,251 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:13,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:22:13,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:13,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:13,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808120782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:13,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:13,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-20 18:22:13,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590406822] [2024-11-20 18:22:13,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:13,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 18:22:13,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:13,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 18:22:13,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:22:13,408 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 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) [2024-11-20 18:22:13,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:13,456 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2024-11-20 18:22:13,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 18:22:13,457 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-20 18:22:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:13,458 INFO L225 Difference]: With dead ends: 66 [2024-11-20 18:22:13,458 INFO L226 Difference]: Without dead ends: 57 [2024-11-20 18:22:13,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:22:13,459 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:13,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 66 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:13,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-20 18:22:13,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2024-11-20 18:22:13,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 51 states have internal predecessors, (54), 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) [2024-11-20 18:22:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2024-11-20 18:22:13,465 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 25 [2024-11-20 18:22:13,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:13,465 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-11-20 18:22:13,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 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) [2024-11-20 18:22:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-20 18:22:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:22:13,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:13,466 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-20 18:22:13,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:22:13,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:13,671 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:13,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash -96785938, now seen corresponding path program 2 times [2024-11-20 18:22:13,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:13,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079775183] [2024-11-20 18:22:13,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:13,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:13,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:13,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079775183] [2024-11-20 18:22:13,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079775183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:13,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621307173] [2024-11-20 18:22:13,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:22:13,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:13,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:13,771 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) [2024-11-20 18:22:13,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:22:13,809 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:22:13,809 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:13,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:22:13,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:13,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:13,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621307173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:13,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:13,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-20 18:22:13,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328917709] [2024-11-20 18:22:13,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:13,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:22:13,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:13,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:22:13,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:22:13,966 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-20 18:22:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:14,007 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-20 18:22:14,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:22:14,008 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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 31 [2024-11-20 18:22:14,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:14,009 INFO L225 Difference]: With dead ends: 85 [2024-11-20 18:22:14,010 INFO L226 Difference]: Without dead ends: 84 [2024-11-20 18:22:14,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:22:14,011 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:14,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 77 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-20 18:22:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2024-11-20 18:22:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 71 states have internal predecessors, (78), 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) [2024-11-20 18:22:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2024-11-20 18:22:14,021 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 31 [2024-11-20 18:22:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:14,022 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2024-11-20 18:22:14,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2024-11-20 18:22:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2024-11-20 18:22:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:22:14,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:14,025 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-11-20 18:22:14,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:22:14,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-20 18:22:14,229 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:14,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1269958558, now seen corresponding path program 2 times [2024-11-20 18:22:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:14,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865694808] [2024-11-20 18:22:14,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:14,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:14,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865694808] [2024-11-20 18:22:14,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865694808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:14,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691578502] [2024-11-20 18:22:14,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:22:14,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:14,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:14,506 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) [2024-11-20 18:22:14,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:22:14,554 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:22:14,555 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:14,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 18:22:14,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:14,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:14,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691578502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:14,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:14,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2024-11-20 18:22:14,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767940334] [2024-11-20 18:22:14,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:14,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-20 18:22:14,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:14,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-20 18:22:14,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-20 18:22:14,978 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 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) [2024-11-20 18:22:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:15,063 INFO L93 Difference]: Finished difference Result 117 states and 131 transitions. [2024-11-20 18:22:15,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-20 18:22:15,064 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 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 45 [2024-11-20 18:22:15,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:15,065 INFO L225 Difference]: With dead ends: 117 [2024-11-20 18:22:15,065 INFO L226 Difference]: Without dead ends: 116 [2024-11-20 18:22:15,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-20 18:22:15,066 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 33 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:15,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 79 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:22:15,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-20 18:22:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2024-11-20 18:22:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 95 states have (on average 1.1473684210526316) internal successors, (109), 97 states have internal predecessors, (109), 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) [2024-11-20 18:22:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2024-11-20 18:22:15,074 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 45 [2024-11-20 18:22:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:15,075 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2024-11-20 18:22:15,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 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) [2024-11-20 18:22:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2024-11-20 18:22:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-20 18:22:15,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:15,076 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:15,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 18:22:15,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:15,277 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:15,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:15,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1913306983, now seen corresponding path program 3 times [2024-11-20 18:22:15,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:15,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865856573] [2024-11-20 18:22:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:15,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:15,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865856573] [2024-11-20 18:22:15,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865856573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:15,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029288064] [2024-11-20 18:22:15,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:22:15,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:15,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:15,514 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) [2024-11-20 18:22:15,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:22:15,556 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-20 18:22:15,556 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:15,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:22:15,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:15,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:15,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029288064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:15,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:15,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-20 18:22:15,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952813781] [2024-11-20 18:22:15,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:15,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-20 18:22:15,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:15,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-20 18:22:15,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2024-11-20 18:22:15,954 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 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) [2024-11-20 18:22:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:16,039 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2024-11-20 18:22:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-20 18:22:16,039 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 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 49 [2024-11-20 18:22:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:16,040 INFO L225 Difference]: With dead ends: 124 [2024-11-20 18:22:16,040 INFO L226 Difference]: Without dead ends: 107 [2024-11-20 18:22:16,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2024-11-20 18:22:16,041 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 31 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:16,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 110 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:22:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-20 18:22:16,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 100. [2024-11-20 18:22:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 97 states have (on average 1.0721649484536082) internal successors, (104), 99 states have internal predecessors, (104), 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) [2024-11-20 18:22:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2024-11-20 18:22:16,048 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 49 [2024-11-20 18:22:16,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:16,049 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2024-11-20 18:22:16,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 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) [2024-11-20 18:22:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2024-11-20 18:22:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 18:22:16,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:16,050 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-20 18:22:16,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:22:16,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:16,254 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:16,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash -479014812, now seen corresponding path program 3 times [2024-11-20 18:22:16,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757559035] [2024-11-20 18:22:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:16,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:16,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757559035] [2024-11-20 18:22:16,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757559035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:16,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117781431] [2024-11-20 18:22:16,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:22:16,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:16,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:16,454 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) [2024-11-20 18:22:16,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:22:16,510 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-20 18:22:16,510 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:16,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:22:16,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:16,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:16,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117781431] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:16,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:16,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-20 18:22:16,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399738543] [2024-11-20 18:22:16,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:16,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 18:22:16,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 18:22:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:22:16,851 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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) [2024-11-20 18:22:16,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:16,913 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2024-11-20 18:22:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-20 18:22:16,914 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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 67 [2024-11-20 18:22:16,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:16,914 INFO L225 Difference]: With dead ends: 173 [2024-11-20 18:22:16,915 INFO L226 Difference]: Without dead ends: 172 [2024-11-20 18:22:16,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:22:16,915 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 58 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:16,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 143 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:22:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-20 18:22:16,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 144. [2024-11-20 18:22:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 141 states have (on average 1.1205673758865249) internal successors, (158), 143 states have internal predecessors, (158), 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) [2024-11-20 18:22:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 158 transitions. [2024-11-20 18:22:16,923 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 158 transitions. Word has length 67 [2024-11-20 18:22:16,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:16,923 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 158 transitions. [2024-11-20 18:22:16,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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) [2024-11-20 18:22:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2024-11-20 18:22:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-20 18:22:16,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:16,925 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2024-11-20 18:22:16,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 18:22:17,125 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,SelfDestructingSolverStorable14 [2024-11-20 18:22:17,126 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:17,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:17,126 INFO L85 PathProgramCache]: Analyzing trace with hash 842332074, now seen corresponding path program 3 times [2024-11-20 18:22:17,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:17,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559793281] [2024-11-20 18:22:17,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:17,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:17,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:17,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559793281] [2024-11-20 18:22:17,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559793281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:17,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29327303] [2024-11-20 18:22:17,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:22:17,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:17,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:17,824 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) [2024-11-20 18:22:17,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:22:17,901 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-20 18:22:17,902 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:17,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-20 18:22:17,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:18,022 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:18,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:18,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29327303] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:18,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:18,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 61 [2024-11-20 18:22:18,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439134805] [2024-11-20 18:22:18,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:18,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-20 18:22:18,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:18,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-20 18:22:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-20 18:22:18,915 INFO L87 Difference]: Start difference. First operand 144 states and 158 transitions. Second operand has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 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) [2024-11-20 18:22:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:19,078 INFO L93 Difference]: Finished difference Result 233 states and 263 transitions. [2024-11-20 18:22:19,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-20 18:22:19,079 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 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 93 [2024-11-20 18:22:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:19,080 INFO L225 Difference]: With dead ends: 233 [2024-11-20 18:22:19,080 INFO L226 Difference]: Without dead ends: 232 [2024-11-20 18:22:19,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-20 18:22:19,083 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 93 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:19,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 171 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:22:19,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-20 18:22:19,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 194. [2024-11-20 18:22:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 191 states have (on average 1.1361256544502618) internal successors, (217), 193 states have internal predecessors, (217), 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) [2024-11-20 18:22:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2024-11-20 18:22:19,100 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 93 [2024-11-20 18:22:19,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:19,100 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2024-11-20 18:22:19,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 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) [2024-11-20 18:22:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2024-11-20 18:22:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 18:22:19,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:19,103 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:19,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:22:19,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 18:22:19,304 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:19,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:19,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1705977169, now seen corresponding path program 4 times [2024-11-20 18:22:19,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:19,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674590217] [2024-11-20 18:22:19,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:19,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:20,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:20,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674590217] [2024-11-20 18:22:20,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674590217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:20,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869177382] [2024-11-20 18:22:20,101 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 18:22:20,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:20,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:20,104 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) [2024-11-20 18:22:20,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:22:20,160 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 18:22:20,161 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:20,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-20 18:22:20,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:20,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:21,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869177382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:21,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-20 18:22:21,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409662856] [2024-11-20 18:22:21,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:21,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-20 18:22:21,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:21,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-20 18:22:21,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1056, Invalid=2976, Unknown=0, NotChecked=0, Total=4032 [2024-11-20 18:22:21,181 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand has 64 states, 63 states have (on average 3.0476190476190474) internal successors, (192), 64 states have internal predecessors, (192), 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) [2024-11-20 18:22:21,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:21,336 INFO L93 Difference]: Finished difference Result 240 states and 255 transitions. [2024-11-20 18:22:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-20 18:22:21,337 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 3.0476190476190474) internal successors, (192), 64 states have internal predecessors, (192), 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 97 [2024-11-20 18:22:21,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:21,338 INFO L225 Difference]: With dead ends: 240 [2024-11-20 18:22:21,338 INFO L226 Difference]: Without dead ends: 207 [2024-11-20 18:22:21,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1056, Invalid=2976, Unknown=0, NotChecked=0, Total=4032 [2024-11-20 18:22:21,341 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 78 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:21,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 173 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:22:21,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-20 18:22:21,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 196. [2024-11-20 18:22:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 193 states have (on average 1.0569948186528497) internal successors, (204), 195 states have internal predecessors, (204), 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) [2024-11-20 18:22:21,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2024-11-20 18:22:21,348 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 97 [2024-11-20 18:22:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:21,349 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 204 transitions. [2024-11-20 18:22:21,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 3.0476190476190474) internal successors, (192), 64 states have internal predecessors, (192), 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) [2024-11-20 18:22:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2024-11-20 18:22:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-20 18:22:21,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:21,351 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-20 18:22:21,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:22:21,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-20 18:22:21,552 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:21,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:21,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1591143344, now seen corresponding path program 4 times [2024-11-20 18:22:21,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:21,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576154482] [2024-11-20 18:22:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:21,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:22,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:22,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576154482] [2024-11-20 18:22:22,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576154482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:22,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2975870] [2024-11-20 18:22:22,118 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 18:22:22,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:22,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:22,121 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) [2024-11-20 18:22:22,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:22:22,190 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 18:22:22,190 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:22,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 18:22:22,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:22,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:23,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2975870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:23,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:23,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-20 18:22:23,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424215354] [2024-11-20 18:22:23,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:23,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-20 18:22:23,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:23,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-20 18:22:23,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-20 18:22:23,178 INFO L87 Difference]: Start difference. First operand 196 states and 204 transitions. Second operand has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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) [2024-11-20 18:22:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:23,313 INFO L93 Difference]: Finished difference Result 349 states and 372 transitions. [2024-11-20 18:22:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-20 18:22:23,314 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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 139 [2024-11-20 18:22:23,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:23,315 INFO L225 Difference]: With dead ends: 349 [2024-11-20 18:22:23,316 INFO L226 Difference]: Without dead ends: 348 [2024-11-20 18:22:23,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-20 18:22:23,317 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 206 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:23,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 273 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:22:23,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-20 18:22:23,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 288. [2024-11-20 18:22:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 285 states have (on average 1.1157894736842104) internal successors, (318), 287 states have internal predecessors, (318), 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) [2024-11-20 18:22:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 318 transitions. [2024-11-20 18:22:23,339 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 318 transitions. Word has length 139 [2024-11-20 18:22:23,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:23,339 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 318 transitions. [2024-11-20 18:22:23,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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) [2024-11-20 18:22:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 318 transitions. [2024-11-20 18:22:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-20 18:22:23,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:23,342 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 30, 1, 1, 1, 1] [2024-11-20 18:22:23,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:22:23,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 18:22:23,542 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:23,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:23,543 INFO L85 PathProgramCache]: Analyzing trace with hash 426698298, now seen corresponding path program 4 times [2024-11-20 18:22:23,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:23,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144260451] [2024-11-20 18:22:23,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:25,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:25,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144260451] [2024-11-20 18:22:25,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144260451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:25,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634685548] [2024-11-20 18:22:25,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 18:22:25,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:25,444 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) [2024-11-20 18:22:25,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:22:25,527 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 18:22:25,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:25,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-20 18:22:25,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:25,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:28,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634685548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:28,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:28,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 125 [2024-11-20 18:22:28,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66058938] [2024-11-20 18:22:28,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:28,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2024-11-20 18:22:28,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:28,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2024-11-20 18:22:28,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4031, Invalid=11719, Unknown=0, NotChecked=0, Total=15750 [2024-11-20 18:22:28,524 INFO L87 Difference]: Start difference. First operand 288 states and 318 transitions. Second operand has 126 states, 125 states have (on average 3.008) internal successors, (376), 126 states have internal predecessors, (376), 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) [2024-11-20 18:22:28,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:28,873 INFO L93 Difference]: Finished difference Result 465 states and 527 transitions. [2024-11-20 18:22:28,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-11-20 18:22:28,873 INFO L78 Accepts]: Start accepts. Automaton has has 126 states, 125 states have (on average 3.008) internal successors, (376), 126 states have internal predecessors, (376), 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 189 [2024-11-20 18:22:28,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:28,875 INFO L225 Difference]: With dead ends: 465 [2024-11-20 18:22:28,875 INFO L226 Difference]: Without dead ends: 464 [2024-11-20 18:22:28,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4621 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=4031, Invalid=11719, Unknown=0, NotChecked=0, Total=15750 [2024-11-20 18:22:28,879 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 232 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:28,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 291 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:22:28,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-20 18:22:28,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 386. [2024-11-20 18:22:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 383 states have (on average 1.1305483028720626) internal successors, (433), 385 states have internal predecessors, (433), 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) [2024-11-20 18:22:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 433 transitions. [2024-11-20 18:22:28,889 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 433 transitions. Word has length 189 [2024-11-20 18:22:28,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:28,890 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 433 transitions. [2024-11-20 18:22:28,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 125 states have (on average 3.008) internal successors, (376), 126 states have internal predecessors, (376), 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) [2024-11-20 18:22:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2024-11-20 18:22:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 18:22:28,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:28,892 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:28,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 18:22:29,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:29,092 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:29,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:29,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1590755647, now seen corresponding path program 5 times [2024-11-20 18:22:29,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:29,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949557957] [2024-11-20 18:22:29,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:29,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:31,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:31,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949557957] [2024-11-20 18:22:31,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949557957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:31,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773496537] [2024-11-20 18:22:31,094 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 18:22:31,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:31,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:31,095 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:22:31,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:22:31,199 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-11-20 18:22:31,200 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:31,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-20 18:22:31,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:31,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:34,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773496537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:34,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:34,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2024-11-20 18:22:34,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129580931] [2024-11-20 18:22:34,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:34,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-11-20 18:22:34,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:34,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-11-20 18:22:34,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2024-11-20 18:22:34,201 INFO L87 Difference]: Start difference. First operand 386 states and 433 transitions. Second operand has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 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) [2024-11-20 18:22:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:34,524 INFO L93 Difference]: Finished difference Result 472 states and 503 transitions. [2024-11-20 18:22:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-20 18:22:34,525 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 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 193 [2024-11-20 18:22:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:34,527 INFO L225 Difference]: With dead ends: 472 [2024-11-20 18:22:34,527 INFO L226 Difference]: Without dead ends: 407 [2024-11-20 18:22:34,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4773 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2024-11-20 18:22:34,529 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 262 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:34,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 333 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:22:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-20 18:22:34,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 388. [2024-11-20 18:22:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 385 states have (on average 1.0493506493506493) internal successors, (404), 387 states have internal predecessors, (404), 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) [2024-11-20 18:22:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 404 transitions. [2024-11-20 18:22:34,542 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 404 transitions. Word has length 193 [2024-11-20 18:22:34,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:34,542 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 404 transitions. [2024-11-20 18:22:34,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 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) [2024-11-20 18:22:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 404 transitions. [2024-11-20 18:22:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-20 18:22:34,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:34,545 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2024-11-20 18:22:34,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:22:34,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-20 18:22:34,746 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:34,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:34,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1393260584, now seen corresponding path program 5 times [2024-11-20 18:22:34,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:34,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751589458] [2024-11-20 18:22:34,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:34,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:36,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:36,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751589458] [2024-11-20 18:22:36,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751589458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:36,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926052997] [2024-11-20 18:22:36,496 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 18:22:36,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:36,497 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:22:36,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:22:36,674 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-20 18:22:36,675 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:36,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-20 18:22:36,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:36,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:39,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926052997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:39,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:39,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-20 18:22:39,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175997717] [2024-11-20 18:22:39,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:39,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-20 18:22:39,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:39,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-20 18:22:39,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 18:22:39,355 INFO L87 Difference]: Start difference. First operand 388 states and 404 transitions. Second operand has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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) [2024-11-20 18:22:39,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:39,704 INFO L93 Difference]: Finished difference Result 701 states and 748 transitions. [2024-11-20 18:22:39,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-20 18:22:39,705 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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 283 [2024-11-20 18:22:39,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:39,707 INFO L225 Difference]: With dead ends: 701 [2024-11-20 18:22:39,708 INFO L226 Difference]: Without dead ends: 700 [2024-11-20 18:22:39,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 18:22:39,709 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 334 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:39,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 552 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:22:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-20 18:22:39,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 576. [2024-11-20 18:22:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 573 states have (on average 1.1134380453752182) internal successors, (638), 575 states have internal predecessors, (638), 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) [2024-11-20 18:22:39,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 638 transitions. [2024-11-20 18:22:39,723 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 638 transitions. Word has length 283 [2024-11-20 18:22:39,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:39,724 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 638 transitions. [2024-11-20 18:22:39,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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) [2024-11-20 18:22:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 638 transitions. [2024-11-20 18:22:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-20 18:22:39,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:39,728 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 63, 62, 1, 1, 1, 1] [2024-11-20 18:22:39,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:22:39,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:39,929 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:39,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:39,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1897038682, now seen corresponding path program 5 times [2024-11-20 18:22:39,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:39,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827011281] [2024-11-20 18:22:39,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:39,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:22:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:46,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:22:46,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827011281] [2024-11-20 18:22:46,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827011281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:22:46,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406316826] [2024-11-20 18:22:46,878 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 18:22:46,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:46,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:22:46,880 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:22:46,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:22:47,180 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-20 18:22:47,180 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:22:47,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-20 18:22:47,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:22:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:47,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:22:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:22:58,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406316826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:22:58,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:22:58,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 127, 127] total 253 [2024-11-20 18:22:58,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980013992] [2024-11-20 18:22:58,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:22:58,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 254 states [2024-11-20 18:22:58,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:22:58,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2024-11-20 18:22:58,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2024-11-20 18:22:58,095 INFO L87 Difference]: Start difference. First operand 576 states and 638 transitions. Second operand has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 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) [2024-11-20 18:22:59,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:22:59,435 INFO L93 Difference]: Finished difference Result 929 states and 1055 transitions. [2024-11-20 18:22:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-11-20 18:22:59,436 INFO L78 Accepts]: Start accepts. Automaton has has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 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 381 [2024-11-20 18:22:59,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:22:59,440 INFO L225 Difference]: With dead ends: 929 [2024-11-20 18:22:59,440 INFO L226 Difference]: Without dead ends: 928 [2024-11-20 18:22:59,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19469 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2024-11-20 18:22:59,443 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 658 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:22:59,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 549 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:22:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-20 18:22:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 770. [2024-11-20 18:22:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 767 states have (on average 1.1277705345501956) internal successors, (865), 769 states have internal predecessors, (865), 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) [2024-11-20 18:22:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 865 transitions. [2024-11-20 18:22:59,461 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 865 transitions. Word has length 381 [2024-11-20 18:22:59,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:22:59,462 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 865 transitions. [2024-11-20 18:22:59,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 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) [2024-11-20 18:22:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 865 transitions. [2024-11-20 18:22:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-20 18:22:59,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:22:59,468 INFO L215 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1] [2024-11-20 18:22:59,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-20 18:22:59,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:22:59,668 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:22:59,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:22:59,669 INFO L85 PathProgramCache]: Analyzing trace with hash -752808353, now seen corresponding path program 6 times [2024-11-20 18:22:59,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:22:59,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485225865] [2024-11-20 18:22:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:22:59,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:22:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:23:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:23:06,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:23:06,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485225865] [2024-11-20 18:23:06,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485225865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:23:06,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537636825] [2024-11-20 18:23:06,158 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-20 18:23:06,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:23:06,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:23:06,159 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:23:06,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:23:06,610 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2024-11-20 18:23:06,610 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:23:06,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-20 18:23:06,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:23:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:23:07,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:23:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:23:17,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537636825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:23:17,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:23:17,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 255 [2024-11-20 18:23:17,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378877385] [2024-11-20 18:23:17,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:23:17,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 256 states [2024-11-20 18:23:17,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:23:17,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2024-11-20 18:23:17,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16512, Invalid=48768, Unknown=0, NotChecked=0, Total=65280 [2024-11-20 18:23:17,896 INFO L87 Difference]: Start difference. First operand 770 states and 865 transitions. Second operand has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 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) [2024-11-20 18:23:19,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:23:19,103 INFO L93 Difference]: Finished difference Result 936 states and 999 transitions. [2024-11-20 18:23:19,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2024-11-20 18:23:19,103 INFO L78 Accepts]: Start accepts. Automaton has has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 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 385 [2024-11-20 18:23:19,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:23:19,107 INFO L225 Difference]: With dead ends: 936 [2024-11-20 18:23:19,107 INFO L226 Difference]: Without dead ends: 807 [2024-11-20 18:23:19,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19781 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=16512, Invalid=48768, Unknown=0, NotChecked=0, Total=65280 [2024-11-20 18:23:19,110 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 531 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:23:19,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 580 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:23:19,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2024-11-20 18:23:19,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 772. [2024-11-20 18:23:19,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 769 states have (on average 1.0455136540962289) internal successors, (804), 771 states have internal predecessors, (804), 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) [2024-11-20 18:23:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 804 transitions. [2024-11-20 18:23:19,128 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 804 transitions. Word has length 385 [2024-11-20 18:23:19,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:23:19,129 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 804 transitions. [2024-11-20 18:23:19,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 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) [2024-11-20 18:23:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 804 transitions. [2024-11-20 18:23:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2024-11-20 18:23:19,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:23:19,133 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 1, 1, 1, 1] [2024-11-20 18:23:19,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-20 18:23:19,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-20 18:23:19,338 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:23:19,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:23:19,338 INFO L85 PathProgramCache]: Analyzing trace with hash -982011944, now seen corresponding path program 6 times [2024-11-20 18:23:19,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:23:19,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035288529] [2024-11-20 18:23:19,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:23:19,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:23:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:23:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:23:24,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:23:24,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035288529] [2024-11-20 18:23:24,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035288529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:23:24,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333715740] [2024-11-20 18:23:24,971 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-20 18:23:24,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:23:24,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:23:24,974 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:23:24,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:23:25,554 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-20 18:23:25,555 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:23:25,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-20 18:23:25,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:23:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:23:26,023 INFO L311 TraceCheckSpWp]: Computing backward predicates...