./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/nested9.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 f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:52:31,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:52:31,808 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:52:31,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:52:31,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:52:31,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:52:31,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:52:31,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:52:31,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:52:31,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:52:31,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:52:31,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:52:31,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:52:31,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:52:31,834 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:52:31,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:52:31,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:52:31,834 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:52:31,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:52:31,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:52:31,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:52:31,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:52:31,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:52:31,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:52:31,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:52:31,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:52:31,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:52:31,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:52:31,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:52:31,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:52:31,842 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:52:31,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:52:31,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:52:31,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:52:31,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:52:31,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:52:31,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:52:31,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:52:31,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:52:31,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:52:31,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:52:31,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:52:31,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:52:31,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:52:31,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2024-11-10 18:52:32,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:52:32,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:52:32,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:52:32,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:52:32,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:52:32,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nested9.i [2024-11-10 18:52:33,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:52:33,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:52:33,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested9.i [2024-11-10 18:52:33,506 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26093b5a/0e58cdbf4076453fb8cfeeeb1e74dfa6/FLAG6370eab36 [2024-11-10 18:52:33,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26093b5a/0e58cdbf4076453fb8cfeeeb1e74dfa6 [2024-11-10 18:52:33,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:52:33,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:52:33,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:52:33,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:52:33,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:52:33,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30832020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33, skipping insertion in model container [2024-11-10 18:52:33,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:52:33,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:52:33,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:52:33,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:52:33,744 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:52:33,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33 WrapperNode [2024-11-10 18:52:33,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:52:33,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:52:33,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:52:33,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:52:33,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,782 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2024-11-10 18:52:33,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:52:33,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:52:33,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:52:33,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:52:33,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,804 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:52:33,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:52:33,813 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:52:33,813 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:52:33,813 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:52:33,814 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (1/1) ... [2024-11-10 18:52:33,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:52:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:33,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:52:33,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:52:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:52:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:52:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:52:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:52:34,018 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:52:34,020 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:52:34,235 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-10 18:52:34,236 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:52:34,245 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:52:34,246 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:52:34,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:34 BoogieIcfgContainer [2024-11-10 18:52:34,246 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:52:34,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:52:34,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:52:34,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:52:34,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:52:33" (1/3) ... [2024-11-10 18:52:34,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269cbc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:52:34, skipping insertion in model container [2024-11-10 18:52:34,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:33" (2/3) ... [2024-11-10 18:52:34,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269cbc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:52:34, skipping insertion in model container [2024-11-10 18:52:34,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:34" (3/3) ... [2024-11-10 18:52:34,252 INFO L112 eAbstractionObserver]: Analyzing ICFG nested9.i [2024-11-10 18:52:34,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:52:34,264 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-10 18:52:34,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:52:34,316 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;@21abd78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:52:34,316 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-10 18:52:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 45 states have (on average 1.6666666666666667) internal successors, (75), 63 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:52:34,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:34,327 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:52:34,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:34,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:34,331 INFO L85 PathProgramCache]: Analyzing trace with hash -953024934, now seen corresponding path program 1 times [2024-11-10 18:52:34,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:34,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128323884] [2024-11-10 18:52:34,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:34,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:34,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128323884] [2024-11-10 18:52:34,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128323884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:34,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:34,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:52:34,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718839438] [2024-11-10 18:52:34,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:34,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:52:34,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:34,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:52:34,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:34,496 INFO L87 Difference]: Start difference. First operand has 64 states, 45 states have (on average 1.6666666666666667) internal successors, (75), 63 states have internal predecessors, (75), 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 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) [2024-11-10 18:52:34,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:34,545 INFO L93 Difference]: Finished difference Result 113 states and 132 transitions. [2024-11-10 18:52:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:52:34,547 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 [2024-11-10 18:52:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:34,553 INFO L225 Difference]: With dead ends: 113 [2024-11-10 18:52:34,553 INFO L226 Difference]: Without dead ends: 55 [2024-11-10 18:52:34,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:34,557 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 54 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:34,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 60 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-10 18:52:34,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-10 18:52:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 54 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2024-11-10 18:52:34,589 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 6 [2024-11-10 18:52:34,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:34,589 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2024-11-10 18:52:34,590 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) [2024-11-10 18:52:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2024-11-10 18:52:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:52:34,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:34,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:34,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:52:34,591 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:34,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:34,592 INFO L85 PathProgramCache]: Analyzing trace with hash 520998157, now seen corresponding path program 1 times [2024-11-10 18:52:34,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:34,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798329422] [2024-11-10 18:52:34,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:34,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:34,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:34,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798329422] [2024-11-10 18:52:34,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798329422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:34,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:34,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:52:34,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011236216] [2024-11-10 18:52:34,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:34,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:52:34,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:34,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:52:34,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:34,638 INFO L87 Difference]: Start difference. First operand 55 states and 57 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) [2024-11-10 18:52:34,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:34,652 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2024-11-10 18:52:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:52:34,653 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 [2024-11-10 18:52:34,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:34,653 INFO L225 Difference]: With dead ends: 55 [2024-11-10 18:52:34,653 INFO L226 Difference]: Without dead ends: 53 [2024-11-10 18:52:34,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:34,655 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 49 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:34,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 49 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:34,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-10 18:52:34,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-10 18:52:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 52 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) [2024-11-10 18:52:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2024-11-10 18:52:34,660 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 7 [2024-11-10 18:52:34,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:34,660 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2024-11-10 18:52:34,660 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) [2024-11-10 18:52:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2024-11-10 18:52:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:52:34,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:34,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:34,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:52:34,661 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:34,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:34,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1028926280, now seen corresponding path program 1 times [2024-11-10 18:52:34,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:34,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265589396] [2024-11-10 18:52:34,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:34,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:34,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:34,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265589396] [2024-11-10 18:52:34,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265589396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:34,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:34,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:34,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126435773] [2024-11-10 18:52:34,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:34,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:34,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:34,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:34,707 INFO L87 Difference]: Start difference. First operand 53 states and 55 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) [2024-11-10 18:52:34,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:34,735 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2024-11-10 18:52:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:34,736 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 [2024-11-10 18:52:34,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:34,736 INFO L225 Difference]: With dead ends: 53 [2024-11-10 18:52:34,736 INFO L226 Difference]: Without dead ends: 52 [2024-11-10 18:52:34,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:52:34,737 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 7 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:34,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 140 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:34,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-10 18:52:34,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-10 18:52:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.3846153846153846) 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) [2024-11-10 18:52:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2024-11-10 18:52:34,743 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 8 [2024-11-10 18:52:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:34,743 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-11-10 18:52:34,743 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) [2024-11-10 18:52:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-10 18:52:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:52:34,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:34,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:34,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:52:34,746 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:34,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:34,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1831943573, now seen corresponding path program 1 times [2024-11-10 18:52:34,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:34,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104983298] [2024-11-10 18:52:34,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:34,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:34,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104983298] [2024-11-10 18:52:34,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104983298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:34,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:34,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:34,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546709208] [2024-11-10 18:52:34,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:34,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:34,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:34,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:34,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:34,786 INFO L87 Difference]: Start difference. First operand 52 states and 54 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) [2024-11-10 18:52:34,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:34,803 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2024-11-10 18:52:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:34,803 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 [2024-11-10 18:52:34,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:34,804 INFO L225 Difference]: With dead ends: 52 [2024-11-10 18:52:34,804 INFO L226 Difference]: Without dead ends: 51 [2024-11-10 18:52:34,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:52:34,805 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 6 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:34,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 140 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:34,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-10 18:52:34,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-10 18:52:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.358974358974359) internal successors, (53), 50 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2024-11-10 18:52:34,810 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 9 [2024-11-10 18:52:34,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:34,810 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2024-11-10 18:52:34,810 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) [2024-11-10 18:52:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2024-11-10 18:52:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 18:52:34,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:34,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:34,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:52:34,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:34,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:34,812 INFO L85 PathProgramCache]: Analyzing trace with hash 798062082, now seen corresponding path program 1 times [2024-11-10 18:52:34,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:34,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207704912] [2024-11-10 18:52:34,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:34,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:34,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:34,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207704912] [2024-11-10 18:52:34,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207704912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:34,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:34,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:52:34,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266459316] [2024-11-10 18:52:34,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:34,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:52:34,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:34,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:52:34,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:34,846 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:34,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:34,888 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2024-11-10 18:52:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:52:34,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-10 18:52:34,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:34,899 INFO L225 Difference]: With dead ends: 85 [2024-11-10 18:52:34,900 INFO L226 Difference]: Without dead ends: 81 [2024-11-10 18:52:34,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:34,901 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 29 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:34,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 71 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-10 18:52:34,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2024-11-10 18:52:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.34375) internal successors, (86), 75 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2024-11-10 18:52:34,908 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 13 [2024-11-10 18:52:34,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:34,908 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2024-11-10 18:52:34,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2024-11-10 18:52:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:52:34,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:34,909 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:34,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:52:34,909 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:34,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:34,909 INFO L85 PathProgramCache]: Analyzing trace with hash 669231802, now seen corresponding path program 1 times [2024-11-10 18:52:34,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:34,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463994153] [2024-11-10 18:52:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:34,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:34,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463994153] [2024-11-10 18:52:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463994153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:34,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:34,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:34,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222127028] [2024-11-10 18:52:34,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:34,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:34,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:34,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:34,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:34,993 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:35,044 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2024-11-10 18:52:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:35,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-10 18:52:35,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:35,045 INFO L225 Difference]: With dead ends: 86 [2024-11-10 18:52:35,045 INFO L226 Difference]: Without dead ends: 84 [2024-11-10 18:52:35,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:35,047 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 24 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:35,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 99 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:35,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-10 18:52:35,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2024-11-10 18:52:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 67 states have (on average 1.328358208955224) internal successors, (89), 78 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2024-11-10 18:52:35,052 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 21 [2024-11-10 18:52:35,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:35,053 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2024-11-10 18:52:35,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2024-11-10 18:52:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 18:52:35,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:35,054 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:35,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:52:35,054 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:35,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash -728560248, now seen corresponding path program 1 times [2024-11-10 18:52:35,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:35,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207862357] [2024-11-10 18:52:35,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:35,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:35,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:35,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207862357] [2024-11-10 18:52:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207862357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:35,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:35,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:35,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034606980] [2024-11-10 18:52:35,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:35,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:35,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:35,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:35,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:35,156 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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) [2024-11-10 18:52:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:35,212 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2024-11-10 18:52:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:35,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-10 18:52:35,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:35,217 INFO L225 Difference]: With dead ends: 94 [2024-11-10 18:52:35,217 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 18:52:35,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:35,218 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 36 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 84 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 [2024-11-10 18:52:35,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 84 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:35,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 18:52:35,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2024-11-10 18:52:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.323943661971831) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 94 transitions. [2024-11-10 18:52:35,230 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 94 transitions. Word has length 22 [2024-11-10 18:52:35,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:35,230 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 94 transitions. [2024-11-10 18:52:35,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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) [2024-11-10 18:52:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2024-11-10 18:52:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 18:52:35,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:35,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:35,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:52:35,231 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:35,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:35,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1110532838, now seen corresponding path program 1 times [2024-11-10 18:52:35,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:35,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775003011] [2024-11-10 18:52:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:35,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:35,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775003011] [2024-11-10 18:52:35,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775003011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:35,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:35,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:52:35,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839135225] [2024-11-10 18:52:35,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:35,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:35,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:35,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:35,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:35,300 INFO L87 Difference]: Start difference. First operand 83 states and 94 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:35,349 INFO L93 Difference]: Finished difference Result 131 states and 145 transitions. [2024-11-10 18:52:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:35,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2024-11-10 18:52:35,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:35,349 INFO L225 Difference]: With dead ends: 131 [2024-11-10 18:52:35,349 INFO L226 Difference]: Without dead ends: 63 [2024-11-10 18:52:35,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:35,350 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:35,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:35,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-10 18:52:35,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-10 18:52:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 62 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2024-11-10 18:52:35,359 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 23 [2024-11-10 18:52:35,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:35,359 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2024-11-10 18:52:35,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2024-11-10 18:52:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 18:52:35,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:35,360 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:35,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:52:35,360 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:35,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:35,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1581138720, now seen corresponding path program 1 times [2024-11-10 18:52:35,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:35,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110500043] [2024-11-10 18:52:35,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:35,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:35,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110500043] [2024-11-10 18:52:35,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110500043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508205489] [2024-11-10 18:52:35,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:35,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:35,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:35,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:35,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:52:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:35,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:52:35,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:35,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:35,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508205489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:35,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:35,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-10 18:52:35,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965323799] [2024-11-10 18:52:35,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:35,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:52:35,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:35,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:52:35,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:52:35,550 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:35,604 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2024-11-10 18:52:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:52:35,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-10 18:52:35,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:35,605 INFO L225 Difference]: With dead ends: 63 [2024-11-10 18:52:35,605 INFO L226 Difference]: Without dead ends: 60 [2024-11-10 18:52:35,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:52:35,606 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 29 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:35,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 81 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:35,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-10 18:52:35,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-10 18:52:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 59 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2024-11-10 18:52:35,610 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 26 [2024-11-10 18:52:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:35,610 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2024-11-10 18:52:35,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2024-11-10 18:52:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:52:35,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:35,611 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:35,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:52:35,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:35,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:35,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:35,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1770660042, now seen corresponding path program 1 times [2024-11-10 18:52:35,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:35,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927027757] [2024-11-10 18:52:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:35,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:35,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:35,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927027757] [2024-11-10 18:52:35,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927027757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:35,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127430393] [2024-11-10 18:52:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:35,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:35,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:35,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:35,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:52:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:35,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:52:35,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:35,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:35,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127430393] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:35,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:35,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 18:52:35,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313592018] [2024-11-10 18:52:35,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:35,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:52:35,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:35,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:52:35,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:52:35,982 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:36,060 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2024-11-10 18:52:36,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:52:36,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-10 18:52:36,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:36,061 INFO L225 Difference]: With dead ends: 95 [2024-11-10 18:52:36,061 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 18:52:36,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:52:36,062 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 76 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:36,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 182 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:36,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 18:52:36,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 84. [2024-11-10 18:52:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 83 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2024-11-10 18:52:36,067 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 27 [2024-11-10 18:52:36,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:36,067 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2024-11-10 18:52:36,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2024-11-10 18:52:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 18:52:36,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:36,068 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:36,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:52:36,268 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,SelfDestructingSolverStorable9 [2024-11-10 18:52:36,269 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:36,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash -989749142, now seen corresponding path program 1 times [2024-11-10 18:52:36,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:36,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829504861] [2024-11-10 18:52:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:36,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:52:36,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:36,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829504861] [2024-11-10 18:52:36,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829504861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:36,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:36,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:52:36,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185601973] [2024-11-10 18:52:36,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:36,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:52:36,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:36,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:52:36,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:36,297 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:36,324 INFO L93 Difference]: Finished difference Result 103 states and 118 transitions. [2024-11-10 18:52:36,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:52:36,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-10 18:52:36,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:36,329 INFO L225 Difference]: With dead ends: 103 [2024-11-10 18:52:36,329 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 18:52:36,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:36,330 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:36,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 18:52:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 90. [2024-11-10 18:52:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 89 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2024-11-10 18:52:36,337 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 35 [2024-11-10 18:52:36,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:36,337 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2024-11-10 18:52:36,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2024-11-10 18:52:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 18:52:36,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:36,338 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:36,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 18:52:36,339 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:36,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:36,339 INFO L85 PathProgramCache]: Analyzing trace with hash -617453960, now seen corresponding path program 1 times [2024-11-10 18:52:36,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:36,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340376978] [2024-11-10 18:52:36,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:36,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:52:36,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:36,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340376978] [2024-11-10 18:52:36,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340376978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:36,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:36,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:52:36,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272589005] [2024-11-10 18:52:36,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:36,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:52:36,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:36,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:52:36,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:52:36,386 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:36,435 INFO L93 Difference]: Finished difference Result 132 states and 157 transitions. [2024-11-10 18:52:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:52:36,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 36 [2024-11-10 18:52:36,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:36,436 INFO L225 Difference]: With dead ends: 132 [2024-11-10 18:52:36,436 INFO L226 Difference]: Without dead ends: 131 [2024-11-10 18:52:36,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:52:36,437 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 54 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:36,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 103 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:36,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-10 18:52:36,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 89. [2024-11-10 18:52:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 83 states have (on average 1.2048192771084338) internal successors, (100), 88 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 100 transitions. [2024-11-10 18:52:36,444 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 100 transitions. Word has length 36 [2024-11-10 18:52:36,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:36,445 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 100 transitions. [2024-11-10 18:52:36,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2024-11-10 18:52:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 18:52:36,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:36,446 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:36,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:52:36,446 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:36,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash -617452327, now seen corresponding path program 1 times [2024-11-10 18:52:36,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:36,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465283988] [2024-11-10 18:52:36,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:36,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:52:36,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:36,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465283988] [2024-11-10 18:52:36,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465283988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:36,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:36,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:52:36,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988726655] [2024-11-10 18:52:36,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:36,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:52:36,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:36,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:52:36,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:36,478 INFO L87 Difference]: Start difference. First operand 89 states and 100 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:36,504 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2024-11-10 18:52:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:52:36,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 36 [2024-11-10 18:52:36,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:36,505 INFO L225 Difference]: With dead ends: 102 [2024-11-10 18:52:36,505 INFO L226 Difference]: Without dead ends: 101 [2024-11-10 18:52:36,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:36,506 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 5 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:36,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 66 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:36,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-10 18:52:36,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 91. [2024-11-10 18:52:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 85 states have (on average 1.2) internal successors, (102), 90 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2024-11-10 18:52:36,512 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 36 [2024-11-10 18:52:36,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:36,512 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2024-11-10 18:52:36,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2024-11-10 18:52:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 18:52:36,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:36,513 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:36,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:52:36,513 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:36,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1961203596, now seen corresponding path program 1 times [2024-11-10 18:52:36,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:36,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348815628] [2024-11-10 18:52:36,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:36,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:36,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348815628] [2024-11-10 18:52:36,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348815628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:36,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636677760] [2024-11-10 18:52:36,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:36,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:36,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:36,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:36,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:52:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:36,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:52:36,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:36,716 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:36,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636677760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:36,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:36,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-10 18:52:36,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670391582] [2024-11-10 18:52:36,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:36,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:52:36,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:36,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:52:36,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:52:36,719 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:36,813 INFO L93 Difference]: Finished difference Result 208 states and 243 transitions. [2024-11-10 18:52:36,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:52:36,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 37 [2024-11-10 18:52:36,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:36,814 INFO L225 Difference]: With dead ends: 208 [2024-11-10 18:52:36,814 INFO L226 Difference]: Without dead ends: 145 [2024-11-10 18:52:36,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:52:36,815 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 81 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:36,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 112 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:36,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-10 18:52:36,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 103. [2024-11-10 18:52:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 97 states have (on average 1.2061855670103092) internal successors, (117), 102 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2024-11-10 18:52:36,824 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 37 [2024-11-10 18:52:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:36,824 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2024-11-10 18:52:36,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-11-10 18:52:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 18:52:36,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:36,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:36,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:52:37,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:37,029 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:37,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:37,030 INFO L85 PathProgramCache]: Analyzing trace with hash 662663668, now seen corresponding path program 1 times [2024-11-10 18:52:37,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:37,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027099185] [2024-11-10 18:52:37,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:37,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:37,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027099185] [2024-11-10 18:52:37,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027099185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:37,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259450690] [2024-11-10 18:52:37,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:37,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:37,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:37,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:37,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:52:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:37,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:52:37,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:37,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:37,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259450690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:37,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:37,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-10 18:52:37,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372111767] [2024-11-10 18:52:37,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:37,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:52:37,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:37,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:52:37,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:52:37,200 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:37,277 INFO L93 Difference]: Finished difference Result 103 states and 117 transitions. [2024-11-10 18:52:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:52:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-10 18:52:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:37,279 INFO L225 Difference]: With dead ends: 103 [2024-11-10 18:52:37,279 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 18:52:37,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:52:37,280 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 23 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:37,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 103 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:37,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 18:52:37,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-10 18:52:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 97 states have (on average 1.1855670103092784) internal successors, (115), 101 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 115 transitions. [2024-11-10 18:52:37,286 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 115 transitions. Word has length 42 [2024-11-10 18:52:37,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:37,287 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 115 transitions. [2024-11-10 18:52:37,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2024-11-10 18:52:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 18:52:37,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:37,288 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:37,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:52:37,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:52:37,493 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:37,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:37,493 INFO L85 PathProgramCache]: Analyzing trace with hash -932262786, now seen corresponding path program 1 times [2024-11-10 18:52:37,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:37,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187341391] [2024-11-10 18:52:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:37,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:37,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187341391] [2024-11-10 18:52:37,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187341391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:37,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147324738] [2024-11-10 18:52:37,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:37,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:37,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:37,540 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:37,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:52:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:37,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:52:37,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:37,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:37,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147324738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:37,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:37,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-10 18:52:37,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824672808] [2024-11-10 18:52:37,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:37,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:52:37,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:37,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:52:37,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:52:37,696 INFO L87 Difference]: Start difference. First operand 102 states and 115 transitions. Second operand has 14 states, 13 states have (on average 7.0) internal successors, (91), 14 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:37,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:37,847 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2024-11-10 18:52:37,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:52:37,847 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.0) internal successors, (91), 14 states have internal predecessors, (91), 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 43 [2024-11-10 18:52:37,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:37,848 INFO L225 Difference]: With dead ends: 132 [2024-11-10 18:52:37,848 INFO L226 Difference]: Without dead ends: 131 [2024-11-10 18:52:37,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:52:37,848 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 123 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:37,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 194 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:37,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-10 18:52:37,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-10 18:52:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 123 states have (on average 1.170731707317073) internal successors, (144), 127 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 144 transitions. [2024-11-10 18:52:37,853 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 144 transitions. Word has length 43 [2024-11-10 18:52:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:37,853 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 144 transitions. [2024-11-10 18:52:37,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.0) internal successors, (91), 14 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 144 transitions. [2024-11-10 18:52:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 18:52:37,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:37,853 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:37,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:52:38,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:52:38,057 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:38,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:38,058 INFO L85 PathProgramCache]: Analyzing trace with hash -736316208, now seen corresponding path program 1 times [2024-11-10 18:52:38,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:38,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019933565] [2024-11-10 18:52:38,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-10 18:52:38,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:38,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019933565] [2024-11-10 18:52:38,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019933565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:38,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303250768] [2024-11-10 18:52:38,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:38,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:38,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:38,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:38,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:52:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:52:38,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:38,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:38,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303250768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:38,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:38,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3] total 8 [2024-11-10 18:52:38,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847185646] [2024-11-10 18:52:38,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:38,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:52:38,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:38,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:52:38,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:52:38,198 INFO L87 Difference]: Start difference. First operand 128 states and 144 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:38,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:38,294 INFO L93 Difference]: Finished difference Result 236 states and 267 transitions. [2024-11-10 18:52:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:52:38,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-10 18:52:38,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:38,296 INFO L225 Difference]: With dead ends: 236 [2024-11-10 18:52:38,296 INFO L226 Difference]: Without dead ends: 185 [2024-11-10 18:52:38,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:52:38,297 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 40 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:38,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 95 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-10 18:52:38,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 128. [2024-11-10 18:52:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 123 states have (on average 1.1544715447154472) internal successors, (142), 127 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 142 transitions. [2024-11-10 18:52:38,303 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 142 transitions. Word has length 44 [2024-11-10 18:52:38,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:38,303 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 142 transitions. [2024-11-10 18:52:38,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2024-11-10 18:52:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 18:52:38,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:38,305 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:38,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:52:38,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 18:52:38,506 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:38,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:38,507 INFO L85 PathProgramCache]: Analyzing trace with hash 588361395, now seen corresponding path program 1 times [2024-11-10 18:52:38,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:38,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026381624] [2024-11-10 18:52:38,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:38,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:38,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026381624] [2024-11-10 18:52:38,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026381624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823300421] [2024-11-10 18:52:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:38,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:38,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:38,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:38,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:52:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:52:38,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:38,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:38,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823300421] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:38,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:38,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-10 18:52:38,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729398731] [2024-11-10 18:52:38,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:38,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 18:52:38,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:38,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 18:52:38,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 18:52:38,897 INFO L87 Difference]: Start difference. First operand 128 states and 142 transitions. Second operand has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:39,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:39,036 INFO L93 Difference]: Finished difference Result 203 states and 224 transitions. [2024-11-10 18:52:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:52:39,036 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 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 47 [2024-11-10 18:52:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:39,037 INFO L225 Difference]: With dead ends: 203 [2024-11-10 18:52:39,037 INFO L226 Difference]: Without dead ends: 109 [2024-11-10 18:52:39,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 82 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:52:39,037 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 39 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:39,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 221 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:39,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-10 18:52:39,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2024-11-10 18:52:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 106 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 114 transitions. [2024-11-10 18:52:39,041 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 114 transitions. Word has length 47 [2024-11-10 18:52:39,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:39,041 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 114 transitions. [2024-11-10 18:52:39,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 114 transitions. [2024-11-10 18:52:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 18:52:39,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:39,042 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:39,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:52:39,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:39,245 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:39,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:39,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1520433027, now seen corresponding path program 1 times [2024-11-10 18:52:39,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:39,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417891541] [2024-11-10 18:52:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:52:39,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:39,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417891541] [2024-11-10 18:52:39,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417891541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:39,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103040598] [2024-11-10 18:52:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:39,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:39,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:39,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:52:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:52:39,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:52:39,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:52:39,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103040598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:39,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:39,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-10 18:52:39,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302189514] [2024-11-10 18:52:39,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:39,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:52:39,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:39,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:52:39,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:52:39,444 INFO L87 Difference]: Start difference. First operand 107 states and 114 transitions. Second operand has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:39,583 INFO L93 Difference]: Finished difference Result 137 states and 144 transitions. [2024-11-10 18:52:39,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:52:39,583 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 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 [2024-11-10 18:52:39,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:39,584 INFO L225 Difference]: With dead ends: 137 [2024-11-10 18:52:39,584 INFO L226 Difference]: Without dead ends: 136 [2024-11-10 18:52:39,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-10 18:52:39,584 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 68 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:39,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 153 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:39,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-10 18:52:39,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 131. [2024-11-10 18:52:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 126 states have (on average 1.119047619047619) internal successors, (141), 130 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 141 transitions. [2024-11-10 18:52:39,588 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 141 transitions. Word has length 49 [2024-11-10 18:52:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:39,589 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 141 transitions. [2024-11-10 18:52:39,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 141 transitions. [2024-11-10 18:52:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 18:52:39,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:39,589 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:39,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:52:39,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:39,793 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:39,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:39,794 INFO L85 PathProgramCache]: Analyzing trace with hash -599722433, now seen corresponding path program 1 times [2024-11-10 18:52:39,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:39,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932349962] [2024-11-10 18:52:39,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-10 18:52:39,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:39,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932349962] [2024-11-10 18:52:39,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932349962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:39,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131996083] [2024-11-10 18:52:39,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:39,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:39,826 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:39,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:52:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:52:39,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:52:39,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:52:40,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131996083] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:40,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:40,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 13 [2024-11-10 18:52:40,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837839814] [2024-11-10 18:52:40,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:40,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:52:40,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:40,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:52:40,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:52:40,024 INFO L87 Difference]: Start difference. First operand 131 states and 141 transitions. Second operand has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 14 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:40,152 INFO L93 Difference]: Finished difference Result 204 states and 225 transitions. [2024-11-10 18:52:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:52:40,152 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 14 states have internal predecessors, (161), 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 66 [2024-11-10 18:52:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:40,153 INFO L225 Difference]: With dead ends: 204 [2024-11-10 18:52:40,153 INFO L226 Difference]: Without dead ends: 203 [2024-11-10 18:52:40,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:52:40,154 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 56 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:40,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 150 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:40,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-10 18:52:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 130. [2024-11-10 18:52:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 126 states have (on average 1.1031746031746033) internal successors, (139), 129 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 139 transitions. [2024-11-10 18:52:40,160 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 139 transitions. Word has length 66 [2024-11-10 18:52:40,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:40,160 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 139 transitions. [2024-11-10 18:52:40,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 14 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2024-11-10 18:52:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 18:52:40,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:40,161 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:40,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 18:52:40,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:40,361 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:40,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:40,362 INFO L85 PathProgramCache]: Analyzing trace with hash -657440384, now seen corresponding path program 1 times [2024-11-10 18:52:40,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:40,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422279101] [2024-11-10 18:52:40,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 18:52:40,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:40,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422279101] [2024-11-10 18:52:40,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422279101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:40,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:40,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:52:40,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188272113] [2024-11-10 18:52:40,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:40,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:52:40,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:40,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:52:40,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:52:40,409 INFO L87 Difference]: Start difference. First operand 130 states and 139 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:40,452 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2024-11-10 18:52:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:52:40,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 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 82 [2024-11-10 18:52:40,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:40,453 INFO L225 Difference]: With dead ends: 130 [2024-11-10 18:52:40,453 INFO L226 Difference]: Without dead ends: 129 [2024-11-10 18:52:40,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:52:40,453 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:40,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 100 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:40,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-10 18:52:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-10 18:52:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 126 states have (on average 1.0873015873015872) internal successors, (137), 128 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2024-11-10 18:52:40,459 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 82 [2024-11-10 18:52:40,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:40,459 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2024-11-10 18:52:40,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2024-11-10 18:52:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 18:52:40,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:40,460 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:40,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 18:52:40,460 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:40,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:40,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1094184579, now seen corresponding path program 1 times [2024-11-10 18:52:40,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:40,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638840167] [2024-11-10 18:52:40,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:40,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:52:40,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:40,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638840167] [2024-11-10 18:52:40,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638840167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:40,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927819627] [2024-11-10 18:52:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:40,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:40,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:40,535 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:40,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:52:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:52:40,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 18:52:40,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 18:52:40,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927819627] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:40,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:40,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 13 [2024-11-10 18:52:40,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274108027] [2024-11-10 18:52:40,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:40,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:52:40,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:52:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:52:40,647 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:40,903 INFO L93 Difference]: Finished difference Result 261 states and 290 transitions. [2024-11-10 18:52:40,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-10 18:52:40,903 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 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 83 [2024-11-10 18:52:40,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:40,904 INFO L225 Difference]: With dead ends: 261 [2024-11-10 18:52:40,904 INFO L226 Difference]: Without dead ends: 260 [2024-11-10 18:52:40,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=692, Unknown=0, NotChecked=0, Total=870 [2024-11-10 18:52:40,905 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 120 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:40,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 174 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:40,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-10 18:52:40,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 199. [2024-11-10 18:52:40,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 196 states have (on average 1.096938775510204) internal successors, (215), 198 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 215 transitions. [2024-11-10 18:52:40,912 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 215 transitions. Word has length 83 [2024-11-10 18:52:40,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:40,912 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 215 transitions. [2024-11-10 18:52:40,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 215 transitions. [2024-11-10 18:52:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 18:52:40,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:40,913 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:40,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:52:41,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 18:52:41,114 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:41,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:41,114 INFO L85 PathProgramCache]: Analyzing trace with hash -168953964, now seen corresponding path program 1 times [2024-11-10 18:52:41,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:41,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926878850] [2024-11-10 18:52:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:52:41,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:41,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926878850] [2024-11-10 18:52:41,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926878850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:41,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82387914] [2024-11-10 18:52:41,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:41,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:41,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:41,196 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:41,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:52:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:52:41,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:52:41,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:52:41,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82387914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:41,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:41,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 22 [2024-11-10 18:52:41,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542042012] [2024-11-10 18:52:41,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:41,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:52:41,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:41,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:52:41,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:52:41,602 INFO L87 Difference]: Start difference. First operand 199 states and 215 transitions. Second operand has 23 states, 22 states have (on average 8.863636363636363) internal successors, (195), 23 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:41,937 INFO L93 Difference]: Finished difference Result 277 states and 304 transitions. [2024-11-10 18:52:41,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 18:52:41,938 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.863636363636363) internal successors, (195), 23 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-10 18:52:41,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:41,938 INFO L225 Difference]: With dead ends: 277 [2024-11-10 18:52:41,938 INFO L226 Difference]: Without dead ends: 276 [2024-11-10 18:52:41,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=388, Invalid=1682, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 18:52:41,939 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 218 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:41,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 227 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-10 18:52:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 260. [2024-11-10 18:52:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 257 states have (on average 1.1011673151750974) internal successors, (283), 259 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 283 transitions. [2024-11-10 18:52:41,947 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 283 transitions. Word has length 90 [2024-11-10 18:52:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:41,948 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 283 transitions. [2024-11-10 18:52:41,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.863636363636363) internal successors, (195), 23 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 283 transitions. [2024-11-10 18:52:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 18:52:41,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:41,948 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:41,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 18:52:42,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 18:52:42,153 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:42,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:42,153 INFO L85 PathProgramCache]: Analyzing trace with hash 384179506, now seen corresponding path program 1 times [2024-11-10 18:52:42,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:42,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147442510] [2024-11-10 18:52:42,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:42,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-10 18:52:42,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:42,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147442510] [2024-11-10 18:52:42,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147442510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:42,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259006898] [2024-11-10 18:52:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:42,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:42,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:42,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:52:42,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:52:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:52:42,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 70 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:52:42,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 58 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:52:42,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259006898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:42,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:42,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 18 [2024-11-10 18:52:42,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283584745] [2024-11-10 18:52:42,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:42,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 18:52:42,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:42,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 18:52:42,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-10 18:52:42,515 INFO L87 Difference]: Start difference. First operand 260 states and 283 transitions. Second operand has 18 states, 18 states have (on average 9.0) internal successors, (162), 18 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:42,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:42,914 INFO L93 Difference]: Finished difference Result 518 states and 564 transitions. [2024-11-10 18:52:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:52:42,914 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.0) internal successors, (162), 18 states have internal predecessors, (162), 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 94 [2024-11-10 18:52:42,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:42,915 INFO L225 Difference]: With dead ends: 518 [2024-11-10 18:52:42,915 INFO L226 Difference]: Without dead ends: 278 [2024-11-10 18:52:42,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 171 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=788, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:52:42,916 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 175 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:42,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 321 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:52:42,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-10 18:52:42,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 270. [2024-11-10 18:52:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 267 states have (on average 1.0711610486891385) internal successors, (286), 269 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 286 transitions. [2024-11-10 18:52:42,926 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 286 transitions. Word has length 94 [2024-11-10 18:52:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:42,926 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 286 transitions. [2024-11-10 18:52:42,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.0) internal successors, (162), 18 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 286 transitions. [2024-11-10 18:52:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 18:52:42,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:42,927 INFO L215 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:42,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 18:52:43,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-10 18:52:43,131 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:43,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:43,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1347660429, now seen corresponding path program 2 times [2024-11-10 18:52:43,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:43,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370365401] [2024-11-10 18:52:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:43,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-10 18:52:43,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:43,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370365401] [2024-11-10 18:52:43,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370365401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:43,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740247558] [2024-11-10 18:52:43,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:52:43,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:43,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:43,219 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) [2024-11-10 18:52:43,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:52:43,254 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:52:43,254 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:43,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:52:43,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-10 18:52:43,376 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-10 18:52:43,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740247558] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:43,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:43,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 16 [2024-11-10 18:52:43,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981793998] [2024-11-10 18:52:43,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:43,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 18:52:43,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:43,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 18:52:43,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-10 18:52:43,509 INFO L87 Difference]: Start difference. First operand 270 states and 286 transitions. Second operand has 17 states, 16 states have (on average 16.1875) internal successors, (259), 17 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:43,749 INFO L93 Difference]: Finished difference Result 273 states and 287 transitions. [2024-11-10 18:52:43,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 18:52:43,749 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 16.1875) internal successors, (259), 17 states have internal predecessors, (259), 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 130 [2024-11-10 18:52:43,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:43,750 INFO L225 Difference]: With dead ends: 273 [2024-11-10 18:52:43,750 INFO L226 Difference]: Without dead ends: 272 [2024-11-10 18:52:43,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:52:43,751 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 54 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:43,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 121 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-10 18:52:43,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 223. [2024-11-10 18:52:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 221 states have (on average 1.0588235294117647) internal successors, (234), 222 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 234 transitions. [2024-11-10 18:52:43,759 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 234 transitions. Word has length 130 [2024-11-10 18:52:43,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:43,759 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 234 transitions. [2024-11-10 18:52:43,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 16.1875) internal successors, (259), 17 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 234 transitions. [2024-11-10 18:52:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 18:52:43,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:43,761 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:43,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:52:43,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-10 18:52:43,964 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:43,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:43,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1186542601, now seen corresponding path program 2 times [2024-11-10 18:52:43,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:43,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823055375] [2024-11-10 18:52:43,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:43,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 54 proven. 221 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-10 18:52:44,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:44,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823055375] [2024-11-10 18:52:44,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823055375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:44,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667532080] [2024-11-10 18:52:44,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:52:44,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:44,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:44,210 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) [2024-11-10 18:52:44,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 18:52:44,243 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:52:44,243 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:44,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:52:44,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 140 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-10 18:52:44,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 140 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-10 18:52:44,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667532080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:44,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:44,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 4, 4] total 23 [2024-11-10 18:52:44,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280832444] [2024-11-10 18:52:44,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:44,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:52:44,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:52:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:52:44,433 INFO L87 Difference]: Start difference. First operand 223 states and 234 transitions. Second operand has 23 states, 23 states have (on average 8.26086956521739) internal successors, (190), 23 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:45,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:45,092 INFO L93 Difference]: Finished difference Result 446 states and 471 transitions. [2024-11-10 18:52:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-10 18:52:45,093 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 8.26086956521739) internal successors, (190), 23 states have internal predecessors, (190), 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 141 [2024-11-10 18:52:45,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:45,093 INFO L225 Difference]: With dead ends: 446 [2024-11-10 18:52:45,093 INFO L226 Difference]: Without dead ends: 304 [2024-11-10 18:52:45,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=676, Invalid=2630, Unknown=0, NotChecked=0, Total=3306 [2024-11-10 18:52:45,095 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 114 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:45,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 291 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:52:45,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-10 18:52:45,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 297. [2024-11-10 18:52:45,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.0337837837837838) internal successors, (306), 296 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 306 transitions. [2024-11-10 18:52:45,105 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 306 transitions. Word has length 141 [2024-11-10 18:52:45,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:45,105 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 306 transitions. [2024-11-10 18:52:45,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.26086956521739) internal successors, (190), 23 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 306 transitions. [2024-11-10 18:52:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 18:52:45,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:45,106 INFO L215 NwaCegarLoop]: trace histogram [11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:45,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 18:52:45,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:45,311 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-10 18:52:45,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash 918256769, now seen corresponding path program 2 times [2024-11-10 18:52:45,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:45,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747459931] [2024-11-10 18:52:45,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:45,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 283 proven. 86 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-10 18:52:45,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:45,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747459931] [2024-11-10 18:52:45,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747459931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:45,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388558788] [2024-11-10 18:52:45,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:52:45,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:45,438 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) [2024-11-10 18:52:45,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 18:52:45,478 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:52:45,478 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:45,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:52:45,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-10 18:52:45,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-10 18:52:45,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388558788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:45,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:45,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 20 [2024-11-10 18:52:45,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006320804] [2024-11-10 18:52:45,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:45,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 18:52:45,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:45,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 18:52:45,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:52:45,846 INFO L87 Difference]: Start difference. First operand 297 states and 306 transitions. Second operand has 20 states, 20 states have (on average 14.45) internal successors, (289), 20 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:46,302 INFO L93 Difference]: Finished difference Result 396 states and 411 transitions. [2024-11-10 18:52:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 18:52:46,302 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 14.45) internal successors, (289), 20 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2024-11-10 18:52:46,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:46,302 INFO L225 Difference]: With dead ends: 396 [2024-11-10 18:52:46,302 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:52:46,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=1241, Unknown=0, NotChecked=0, Total=1560 [2024-11-10 18:52:46,303 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 82 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:46,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 208 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:52:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:52:46,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:52:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:52:46,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2024-11-10 18:52:46,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:46,304 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:52:46,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 14.45) internal successors, (289), 20 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:52:46,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:52:46,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-10 18:52:46,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-10 18:52:46,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-10 18:52:46,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-10 18:52:46,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-10 18:52:46,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-10 18:52:46,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-10 18:52:46,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-10 18:52:46,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-10 18:52:46,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 18:52:46,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 18:52:46,515 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:46,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:52:47,835 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:52:47,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:52:47 BoogieIcfgContainer [2024-11-10 18:52:47,844 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:52:47,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:52:47,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:52:47,845 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:52:47,845 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:34" (3/4) ... [2024-11-10 18:52:47,847 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:52:47,852 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-10 18:52:47,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:52:47,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:52:47,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:52:47,929 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:52:47,929 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:52:47,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:52:47,932 INFO L158 Benchmark]: Toolchain (without parser) took 14412.37ms. Allocated memory was 155.2MB in the beginning and 302.0MB in the end (delta: 146.8MB). Free memory was 84.2MB in the beginning and 135.7MB in the end (delta: -51.4MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2024-11-10 18:52:47,932 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 106.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:52:47,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.93ms. Allocated memory is still 155.2MB. Free memory was 84.0MB in the beginning and 71.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 18:52:47,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.02ms. Allocated memory is still 155.2MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:52:47,932 INFO L158 Benchmark]: Boogie Preprocessor took 24.47ms. Allocated memory is still 155.2MB. Free memory was 69.8MB in the beginning and 68.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:52:47,932 INFO L158 Benchmark]: IcfgBuilder took 433.35ms. Allocated memory was 155.2MB in the beginning and 251.7MB in the end (delta: 96.5MB). Free memory was 68.4MB in the beginning and 221.4MB in the end (delta: -153.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 18:52:47,933 INFO L158 Benchmark]: TraceAbstraction took 13596.35ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 220.5MB in the beginning and 140.9MB in the end (delta: 79.7MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. [2024-11-10 18:52:47,933 INFO L158 Benchmark]: Witness Printer took 86.86ms. Allocated memory is still 302.0MB. Free memory was 140.9MB in the beginning and 135.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:52:47,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 106.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.93ms. Allocated memory is still 155.2MB. Free memory was 84.0MB in the beginning and 71.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.02ms. Allocated memory is still 155.2MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.47ms. Allocated memory is still 155.2MB. Free memory was 69.8MB in the beginning and 68.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 433.35ms. Allocated memory was 155.2MB in the beginning and 251.7MB in the end (delta: 96.5MB). Free memory was 68.4MB in the beginning and 221.4MB in the end (delta: -153.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13596.35ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 220.5MB in the beginning and 140.9MB in the end (delta: 79.7MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. * Witness Printer took 86.86ms. Allocated memory is still 302.0MB. Free memory was 140.9MB in the beginning and 135.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 27, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1575 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1575 mSDsluCounter, 3690 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2818 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4500 IncrementalHoareTripleChecker+Invalid, 4576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 872 mSDtfsCounter, 4500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2330 GetRequests, 1951 SyntacticMatches, 13 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2462 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred in iteration=26, InterpolantAutomatonStates: 303, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 414 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2502 NumberOfCodeBlocks, 2125 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 3402 ConstructedInterpolants, 0 QuantifiedInterpolants, 9477 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1316 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 53 InterpolantComputations, 16 PerfectInterpolantSequences, 2197/4310 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 34]: Location Invariant Derived location invariant: null - InvariantResult [Line: 36]: Location Invariant Derived location invariant: null - InvariantResult [Line: 35]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:52:47,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE