./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-industry-pattern/nested-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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-industry-pattern/nested-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:11:50,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:11:50,690 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:11:50,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:11:50,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:11:50,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:11:50,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:11:50,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:11:50,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:11:50,730 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:11:50,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:11:50,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:11:50,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:11:50,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:11:50,731 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:11:50,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:11:50,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:11:50,732 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:11:50,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:11:50,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:11:50,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:11:50,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:11:50,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:11:50,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:11:50,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:11:50,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:11:50,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:11:50,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:11:50,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:11:50,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:11:50,737 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:11:50,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:11:50,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:11:50,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:11:50,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:11:50,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:11:50,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:11:50,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:11:50,739 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:11:50,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:11:50,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:11:50,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:11:50,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:11:50,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:11:50,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 [2024-11-17 04:11:50,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:11:51,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:11:51,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:11:51,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:11:51,023 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:11:51,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/nested-3.c [2024-11-17 04:11:52,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:11:52,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:11:52,725 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/nested-3.c [2024-11-17 04:11:52,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64847ff6e/57d0d218627a4614bfae8bbd7be509a0/FLAGefe72cd4a [2024-11-17 04:11:52,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64847ff6e/57d0d218627a4614bfae8bbd7be509a0 [2024-11-17 04:11:52,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:11:52,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:11:52,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:11:52,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:11:52,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:11:52,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:11:52" (1/1) ... [2024-11-17 04:11:52,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c898c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:52, skipping insertion in model container [2024-11-17 04:11:52,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:11:52" (1/1) ... [2024-11-17 04:11:52,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:11:52,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:11:52,968 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:11:52,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:11:53,006 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:11:53,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53 WrapperNode [2024-11-17 04:11:53,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:11:53,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:11:53,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:11:53,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:11:53,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,040 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-17 04:11:53,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:11:53,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:11:53,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:11:53,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:11:53,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,075 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]. [2024-11-17 04:11:53,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:11:53,090 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:11:53,090 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:11:53,090 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:11:53,091 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (1/1) ... [2024-11-17 04:11:53,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:11:53,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:53,125 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) [2024-11-17 04:11:53,132 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 [2024-11-17 04:11:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:11:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:11:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:11:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:11:53,222 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:11:53,223 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:11:53,383 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-17 04:11:53,383 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:11:53,399 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:11:53,399 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:11:53,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:11:53 BoogieIcfgContainer [2024-11-17 04:11:53,400 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:11:53,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:11:53,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:11:53,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:11:53,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:11:52" (1/3) ... [2024-11-17 04:11:53,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1541070b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:11:53, skipping insertion in model container [2024-11-17 04:11:53,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:53" (2/3) ... [2024-11-17 04:11:53,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1541070b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:11:53, skipping insertion in model container [2024-11-17 04:11:53,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:11:53" (3/3) ... [2024-11-17 04:11:53,407 INFO L112 eAbstractionObserver]: Analyzing ICFG nested-3.c [2024-11-17 04:11:53,421 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:11:53,421 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-17 04:11:53,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:11:53,476 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;@94c78d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:11:53,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-17 04:11:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:11:53,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:53,491 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:53,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:53,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:53,498 INFO L85 PathProgramCache]: Analyzing trace with hash -55084270, now seen corresponding path program 1 times [2024-11-17 04:11:53,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:53,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340305763] [2024-11-17 04:11:53,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:53,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:53,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:53,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340305763] [2024-11-17 04:11:53,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340305763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:53,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:53,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:11:53,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459098487] [2024-11-17 04:11:53,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:53,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:11:53,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:53,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:11:53,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:11:53,707 INFO L87 Difference]: Start difference. First operand has 55 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-17 04:11:53,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:53,727 INFO L93 Difference]: Finished difference Result 104 states and 121 transitions. [2024-11-17 04:11:53,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:11:53,731 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2024-11-17 04:11:53,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:53,740 INFO L225 Difference]: With dead ends: 104 [2024-11-17 04:11:53,741 INFO L226 Difference]: Without dead ends: 50 [2024-11-17 04:11:53,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:11:53,749 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:53,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:53,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-17 04:11:53,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-17 04:11:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 49 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-11-17 04:11:53,786 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 8 [2024-11-17 04:11:53,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:53,787 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-11-17 04:11:53,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-17 04:11:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-11-17 04:11:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:11:53,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:53,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:53,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:11:53,790 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:53,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:53,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1708265778, now seen corresponding path program 1 times [2024-11-17 04:11:53,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:53,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684644961] [2024-11-17 04:11:53,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:53,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:53,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:53,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684644961] [2024-11-17 04:11:53,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684644961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:53,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:53,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:11:53,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485280969] [2024-11-17 04:11:53,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:53,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:11:53,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:53,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:11:53,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:53,890 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:53,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:53,936 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2024-11-17 04:11:53,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:11:53,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-17 04:11:53,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:53,938 INFO L225 Difference]: With dead ends: 102 [2024-11-17 04:11:53,938 INFO L226 Difference]: Without dead ends: 54 [2024-11-17 04:11:53,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:53,940 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 3 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:53,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 95 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:53,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-17 04:11:53,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2024-11-17 04:11:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.5) internal successors, (57), 51 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) [2024-11-17 04:11:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2024-11-17 04:11:53,951 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 9 [2024-11-17 04:11:53,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:53,951 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2024-11-17 04:11:53,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-11-17 04:11:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:11:53,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:53,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:53,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:11:53,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:53,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:53,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1708229004, now seen corresponding path program 1 times [2024-11-17 04:11:53,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:53,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629201626] [2024-11-17 04:11:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:54,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:54,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629201626] [2024-11-17 04:11:54,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629201626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:54,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:54,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:11:54,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527360776] [2024-11-17 04:11:54,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:54,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:11:54,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:54,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:11:54,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:11:54,085 INFO L87 Difference]: Start difference. First operand 52 states and 57 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) [2024-11-17 04:11:54,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:54,137 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2024-11-17 04:11:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:11:54,137 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 [2024-11-17 04:11:54,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:54,139 INFO L225 Difference]: With dead ends: 59 [2024-11-17 04:11:54,139 INFO L226 Difference]: Without dead ends: 57 [2024-11-17 04:11:54,140 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 [2024-11-17 04:11:54,142 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:54,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 135 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:54,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-17 04:11:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2024-11-17 04:11:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 55 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) [2024-11-17 04:11:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2024-11-17 04:11:54,153 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 9 [2024-11-17 04:11:54,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:54,153 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2024-11-17 04:11:54,153 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) [2024-11-17 04:11:54,154 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2024-11-17 04:11:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:11:54,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:54,154 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:54,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:11:54,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:54,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:54,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2053672293, now seen corresponding path program 1 times [2024-11-17 04:11:54,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:54,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995426106] [2024-11-17 04:11:54,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:54,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:54,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:54,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995426106] [2024-11-17 04:11:54,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995426106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:54,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549415140] [2024-11-17 04:11:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:54,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:54,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:54,276 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) [2024-11-17 04:11:54,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:11:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:54,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 04:11:54,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:11:54,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:11:54,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549415140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:54,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:11:54,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-17 04:11:54,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870567808] [2024-11-17 04:11:54,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:54,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:11:54,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:54,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:11:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:11:54,457 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:54,487 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2024-11-17 04:11:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:11:54,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 16 [2024-11-17 04:11:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:54,490 INFO L225 Difference]: With dead ends: 56 [2024-11-17 04:11:54,490 INFO L226 Difference]: Without dead ends: 55 [2024-11-17 04:11:54,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:11:54,492 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 46 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 [2024-11-17 04:11:54,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 46 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:54,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-17 04:11:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-17 04:11:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 54 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2024-11-17 04:11:54,504 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 16 [2024-11-17 04:11:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:54,505 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2024-11-17 04:11:54,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2024-11-17 04:11:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:11:54,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:54,506 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:54,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:11:54,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:54,707 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:54,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:54,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2053635519, now seen corresponding path program 1 times [2024-11-17 04:11:54,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:54,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111663253] [2024-11-17 04:11:54,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:54,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:54,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:54,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111663253] [2024-11-17 04:11:54,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111663253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:54,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306897461] [2024-11-17 04:11:54,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:54,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:54,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:54,821 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) [2024-11-17 04:11:54,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:11:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:54,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:11:54,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:54,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:11:54,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306897461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:54,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:11:54,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-17 04:11:54,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13260504] [2024-11-17 04:11:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:54,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:11:54,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:54,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:11:54,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:11:54,949 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:55,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:55,045 INFO L93 Difference]: Finished difference Result 149 states and 168 transitions. [2024-11-17 04:11:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:11:55,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:11:55,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:55,046 INFO L225 Difference]: With dead ends: 149 [2024-11-17 04:11:55,046 INFO L226 Difference]: Without dead ends: 96 [2024-11-17 04:11:55,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:11:55,048 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 37 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:55,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 142 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:11:55,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-17 04:11:55,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 84. [2024-11-17 04:11:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 83 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 104 transitions. [2024-11-17 04:11:55,059 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 104 transitions. Word has length 16 [2024-11-17 04:11:55,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:55,059 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 104 transitions. [2024-11-17 04:11:55,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2024-11-17 04:11:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:11:55,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:55,060 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:55,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:11:55,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:55,262 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:55,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:55,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2053634558, now seen corresponding path program 1 times [2024-11-17 04:11:55,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:55,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867652239] [2024-11-17 04:11:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:55,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:55,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:55,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867652239] [2024-11-17 04:11:55,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867652239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:55,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357122030] [2024-11-17 04:11:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:55,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:55,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:55,359 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) [2024-11-17 04:11:55,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:11:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:55,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:11:55,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:55,431 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:11:55,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357122030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:55,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:11:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 04:11:55,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124262887] [2024-11-17 04:11:55,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:55,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:11:55,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:55,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:11:55,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:11:55,433 INFO L87 Difference]: Start difference. First operand 84 states and 104 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:55,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:55,477 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2024-11-17 04:11:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:11:55,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:11:55,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:55,478 INFO L225 Difference]: With dead ends: 86 [2024-11-17 04:11:55,478 INFO L226 Difference]: Without dead ends: 85 [2024-11-17 04:11:55,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:11:55,480 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:55,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 92 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:55,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-17 04:11:55,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2024-11-17 04:11:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.4366197183098592) internal successors, (102), 82 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) [2024-11-17 04:11:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2024-11-17 04:11:55,491 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 102 transitions. Word has length 16 [2024-11-17 04:11:55,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:55,494 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 102 transitions. [2024-11-17 04:11:55,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2024-11-17 04:11:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:11:55,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:55,495 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:55,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:11:55,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:55,697 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:55,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash 760668365, now seen corresponding path program 1 times [2024-11-17 04:11:55,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:55,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700395830] [2024-11-17 04:11:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:55,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:55,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:55,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700395830] [2024-11-17 04:11:55,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700395830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:55,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097201085] [2024-11-17 04:11:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:55,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:55,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:55,760 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) [2024-11-17 04:11:55,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:11:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:55,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:11:55,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:55,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:55,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097201085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:55,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:55,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-11-17 04:11:55,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989164715] [2024-11-17 04:11:55,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:55,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:11:55,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:55,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:11:55,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:11:55,879 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:56,046 INFO L93 Difference]: Finished difference Result 315 states and 387 transitions. [2024-11-17 04:11:56,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:11:56,047 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 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 17 [2024-11-17 04:11:56,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:56,049 INFO L225 Difference]: With dead ends: 315 [2024-11-17 04:11:56,051 INFO L226 Difference]: Without dead ends: 234 [2024-11-17 04:11:56,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:11:56,052 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 112 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:56,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 293 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:11:56,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-17 04:11:56,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 131. [2024-11-17 04:11:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 119 states have (on average 1.3949579831932772) internal successors, (166), 130 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 166 transitions. [2024-11-17 04:11:56,076 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 166 transitions. Word has length 17 [2024-11-17 04:11:56,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:56,080 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 166 transitions. [2024-11-17 04:11:56,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 166 transitions. [2024-11-17 04:11:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:11:56,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:56,081 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:56,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:11:56,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:56,282 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:56,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:56,282 INFO L85 PathProgramCache]: Analyzing trace with hash 761838158, now seen corresponding path program 1 times [2024-11-17 04:11:56,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:56,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527695952] [2024-11-17 04:11:56,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:56,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:11:56,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:56,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527695952] [2024-11-17 04:11:56,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527695952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:56,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:56,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:11:56,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594786481] [2024-11-17 04:11:56,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:56,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:11:56,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:56,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:11:56,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:11:56,319 INFO L87 Difference]: Start difference. First operand 131 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:56,340 INFO L93 Difference]: Finished difference Result 131 states and 166 transitions. [2024-11-17 04:11:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:11:56,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 17 [2024-11-17 04:11:56,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:56,342 INFO L225 Difference]: With dead ends: 131 [2024-11-17 04:11:56,342 INFO L226 Difference]: Without dead ends: 130 [2024-11-17 04:11:56,342 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 [2024-11-17 04:11:56,343 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:56,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 128 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-17 04:11:56,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-17 04:11:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 119 states have (on average 1.3697478991596639) internal successors, (163), 129 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 163 transitions. [2024-11-17 04:11:56,349 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 163 transitions. Word has length 17 [2024-11-17 04:11:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:56,350 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 163 transitions. [2024-11-17 04:11:56,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 163 transitions. [2024-11-17 04:11:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:11:56,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:56,350 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:56,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:11:56,351 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:56,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:56,351 INFO L85 PathProgramCache]: Analyzing trace with hash -197198436, now seen corresponding path program 1 times [2024-11-17 04:11:56,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:56,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622479567] [2024-11-17 04:11:56,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:56,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 04:11:56,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:56,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622479567] [2024-11-17 04:11:56,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622479567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:56,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:56,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:11:56,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528121769] [2024-11-17 04:11:56,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:56,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:11:56,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:56,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:11:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:56,399 INFO L87 Difference]: Start difference. First operand 130 states and 163 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:56,433 INFO L93 Difference]: Finished difference Result 197 states and 247 transitions. [2024-11-17 04:11:56,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:11:56,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-17 04:11:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:56,435 INFO L225 Difference]: With dead ends: 197 [2024-11-17 04:11:56,435 INFO L226 Difference]: Without dead ends: 193 [2024-11-17 04:11:56,436 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 [2024-11-17 04:11:56,436 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 10 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:56,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 81 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:56,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-17 04:11:56,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 186. [2024-11-17 04:11:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 175 states have (on average 1.3085714285714285) internal successors, (229), 185 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 229 transitions. [2024-11-17 04:11:56,446 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 229 transitions. Word has length 24 [2024-11-17 04:11:56,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:56,447 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 229 transitions. [2024-11-17 04:11:56,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions. [2024-11-17 04:11:56,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:11:56,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:56,448 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:56,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:11:56,448 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:56,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:56,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1194271622, now seen corresponding path program 1 times [2024-11-17 04:11:56,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:56,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622257248] [2024-11-17 04:11:56,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:56,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 04:11:56,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:56,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622257248] [2024-11-17 04:11:56,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622257248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:56,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:56,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:11:56,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593317690] [2024-11-17 04:11:56,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:56,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:11:56,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:56,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:11:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:11:56,502 INFO L87 Difference]: Start difference. First operand 186 states and 229 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:56,537 INFO L93 Difference]: Finished difference Result 296 states and 360 transitions. [2024-11-17 04:11:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:11:56,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-17 04:11:56,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:56,540 INFO L225 Difference]: With dead ends: 296 [2024-11-17 04:11:56,540 INFO L226 Difference]: Without dead ends: 156 [2024-11-17 04:11:56,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:11:56,543 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 13 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:56,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 152 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:56,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-17 04:11:56,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 110. [2024-11-17 04:11:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 102 states have (on average 1.196078431372549) internal successors, (122), 109 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2024-11-17 04:11:56,554 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 24 [2024-11-17 04:11:56,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:56,554 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2024-11-17 04:11:56,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2024-11-17 04:11:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:11:56,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:56,557 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:56,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:11:56,558 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:56,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:56,559 INFO L85 PathProgramCache]: Analyzing trace with hash 776656004, now seen corresponding path program 1 times [2024-11-17 04:11:56,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:56,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191236424] [2024-11-17 04:11:56,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 04:11:56,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:56,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191236424] [2024-11-17 04:11:56,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191236424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:56,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:56,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:11:56,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704323865] [2024-11-17 04:11:56,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:56,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:11:56,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:56,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:11:56,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:56,601 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:56,633 INFO L93 Difference]: Finished difference Result 122 states and 134 transitions. [2024-11-17 04:11:56,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:11:56,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-17 04:11:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:56,636 INFO L225 Difference]: With dead ends: 122 [2024-11-17 04:11:56,636 INFO L226 Difference]: Without dead ends: 118 [2024-11-17 04:11:56,636 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 [2024-11-17 04:11:56,637 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 12 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:56,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 72 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:56,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-17 04:11:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2024-11-17 04:11:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 108 states have (on average 1.1851851851851851) internal successors, (128), 115 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 128 transitions. [2024-11-17 04:11:56,648 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 128 transitions. Word has length 27 [2024-11-17 04:11:56,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:56,649 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 128 transitions. [2024-11-17 04:11:56,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2024-11-17 04:11:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 04:11:56,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:56,653 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:56,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 04:11:56,653 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:56,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:56,654 INFO L85 PathProgramCache]: Analyzing trace with hash -678160462, now seen corresponding path program 1 times [2024-11-17 04:11:56,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:56,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575839680] [2024-11-17 04:11:56,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:56,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:11:56,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:56,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575839680] [2024-11-17 04:11:56,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575839680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:56,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:56,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:11:56,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051643074] [2024-11-17 04:11:56,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:56,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:11:56,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:11:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:11:56,712 INFO L87 Difference]: Start difference. First operand 116 states and 128 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 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) [2024-11-17 04:11:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:56,737 INFO L93 Difference]: Finished difference Result 202 states and 220 transitions. [2024-11-17 04:11:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:11:56,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 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 55 [2024-11-17 04:11:56,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:56,739 INFO L225 Difference]: With dead ends: 202 [2024-11-17 04:11:56,739 INFO L226 Difference]: Without dead ends: 132 [2024-11-17 04:11:56,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:11:56,740 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 27 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:56,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 134 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-17 04:11:56,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 116. [2024-11-17 04:11:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 108 states have (on average 1.1666666666666667) internal successors, (126), 115 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2024-11-17 04:11:56,746 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 55 [2024-11-17 04:11:56,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:56,747 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2024-11-17 04:11:56,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 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) [2024-11-17 04:11:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2024-11-17 04:11:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 04:11:56,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:56,748 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:56,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:11:56,748 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:56,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:56,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1682992174, now seen corresponding path program 1 times [2024-11-17 04:11:56,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:56,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331179091] [2024-11-17 04:11:56,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:56,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:11:56,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:56,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331179091] [2024-11-17 04:11:56,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331179091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:56,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728845978] [2024-11-17 04:11:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:56,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:56,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:56,825 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) [2024-11-17 04:11:56,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:11:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:56,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:11:56,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:11:56,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:11:57,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728845978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:57,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:57,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-17 04:11:57,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625344070] [2024-11-17 04:11:57,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:57,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:11:57,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:57,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:11:57,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:11:57,015 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:57,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:57,358 INFO L93 Difference]: Finished difference Result 281 states and 317 transitions. [2024-11-17 04:11:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 04:11:57,358 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 0 states have call successors, (0), 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 55 [2024-11-17 04:11:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:57,360 INFO L225 Difference]: With dead ends: 281 [2024-11-17 04:11:57,360 INFO L226 Difference]: Without dead ends: 198 [2024-11-17 04:11:57,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=804, Unknown=0, NotChecked=0, Total=992 [2024-11-17 04:11:57,361 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 53 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:57,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 324 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:11:57,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-17 04:11:57,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-17 04:11:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.1145833333333333) internal successors, (214), 197 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 214 transitions. [2024-11-17 04:11:57,371 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 214 transitions. Word has length 55 [2024-11-17 04:11:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:57,372 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 214 transitions. [2024-11-17 04:11:57,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 214 transitions. [2024-11-17 04:11:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:11:57,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:57,373 INFO L215 NwaCegarLoop]: trace histogram [12, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:57,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:11:57,574 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,SelfDestructingSolverStorable12 [2024-11-17 04:11:57,574 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:57,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:57,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1068216490, now seen corresponding path program 1 times [2024-11-17 04:11:57,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:57,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523348909] [2024-11-17 04:11:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-17 04:11:57,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:57,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523348909] [2024-11-17 04:11:57,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523348909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:57,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052003068] [2024-11-17 04:11:57,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:57,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:57,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:57,704 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) [2024-11-17 04:11:57,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:11:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:57,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:11:57,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 199 proven. 80 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-17 04:11:57,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 199 proven. 80 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-17 04:11:58,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052003068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:58,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:58,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 13, 13] total 26 [2024-11-17 04:11:58,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636640856] [2024-11-17 04:11:58,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:58,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:11:58,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:58,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:11:58,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:11:58,154 INFO L87 Difference]: Start difference. First operand 198 states and 214 transitions. Second operand has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 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) [2024-11-17 04:11:58,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:58,881 INFO L93 Difference]: Finished difference Result 666 states and 755 transitions. [2024-11-17 04:11:58,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-17 04:11:58,882 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 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 98 [2024-11-17 04:11:58,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:58,884 INFO L225 Difference]: With dead ends: 666 [2024-11-17 04:11:58,884 INFO L226 Difference]: Without dead ends: 543 [2024-11-17 04:11:58,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1222 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=883, Invalid=3673, Unknown=0, NotChecked=0, Total=4556 [2024-11-17 04:11:58,887 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 133 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:58,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 248 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:11:58,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-17 04:11:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2024-11-17 04:11:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 535 states have (on average 1.0897196261682243) internal successors, (583), 540 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 583 transitions. [2024-11-17 04:11:58,907 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 583 transitions. Word has length 98 [2024-11-17 04:11:58,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:58,907 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 583 transitions. [2024-11-17 04:11:58,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 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) [2024-11-17 04:11:58,908 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 583 transitions. [2024-11-17 04:11:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-17 04:11:58,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:58,910 INFO L215 NwaCegarLoop]: trace histogram [24, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:58,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:11:59,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:59,114 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:11:59,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:59,114 INFO L85 PathProgramCache]: Analyzing trace with hash -71514316, now seen corresponding path program 1 times [2024-11-17 04:11:59,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:59,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372167724] [2024-11-17 04:11:59,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:59,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 0 proven. 902 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2024-11-17 04:11:59,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:59,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372167724] [2024-11-17 04:11:59,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372167724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:59,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027032085] [2024-11-17 04:11:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:59,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:59,238 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) [2024-11-17 04:11:59,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:11:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:59,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:11:59,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 895 proven. 407 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-17 04:11:59,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:12:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 895 proven. 407 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-17 04:12:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027032085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:12:00,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:12:00,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 25, 25] total 50 [2024-11-17 04:12:00,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85074408] [2024-11-17 04:12:00,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:12:00,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-17 04:12:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:12:00,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-17 04:12:00,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=604, Invalid=1846, Unknown=0, NotChecked=0, Total=2450 [2024-11-17 04:12:00,299 INFO L87 Difference]: Start difference. First operand 541 states and 583 transitions. Second operand has 50 states, 50 states have (on average 4.56) internal successors, (228), 50 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:02,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:12:02,272 INFO L93 Difference]: Finished difference Result 1426 states and 1607 transitions. [2024-11-17 04:12:02,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-17 04:12:02,273 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.56) internal successors, (228), 50 states have internal predecessors, (228), 0 states have call successors, (0), 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 184 [2024-11-17 04:12:02,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:12:02,277 INFO L225 Difference]: With dead ends: 1426 [2024-11-17 04:12:02,277 INFO L226 Difference]: Without dead ends: 1044 [2024-11-17 04:12:02,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5742 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2924, Invalid=16536, Unknown=0, NotChecked=0, Total=19460 [2024-11-17 04:12:02,285 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 230 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:12:02,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 328 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:12:02,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-17 04:12:02,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1043. [2024-11-17 04:12:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1039 states have (on average 1.078922040423484) internal successors, (1121), 1042 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1121 transitions. [2024-11-17 04:12:02,318 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1121 transitions. Word has length 184 [2024-11-17 04:12:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:12:02,318 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1121 transitions. [2024-11-17 04:12:02,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.56) internal successors, (228), 50 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1121 transitions. [2024-11-17 04:12:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-17 04:12:02,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:12:02,323 INFO L215 NwaCegarLoop]: trace histogram [48, 46, 46, 46, 46, 46, 45, 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] [2024-11-17 04:12:02,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:12:02,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:12:02,528 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:12:02,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:12:02,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1949095486, now seen corresponding path program 1 times [2024-11-17 04:12:02,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:12:02,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374565606] [2024-11-17 04:12:02,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:12:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:12:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:12:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7436 backedges. 0 proven. 3802 refuted. 0 times theorem prover too weak. 3634 trivial. 0 not checked. [2024-11-17 04:12:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:12:02,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374565606] [2024-11-17 04:12:02,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374565606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:12:02,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002527952] [2024-11-17 04:12:02,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:12:02,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:12:02,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:12:02,731 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) [2024-11-17 04:12:02,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:12:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:12:02,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 04:12:02,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:12:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7436 backedges. 3799 proven. 1817 refuted. 0 times theorem prover too weak. 1820 trivial. 0 not checked. [2024-11-17 04:12:03,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:12:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7436 backedges. 3799 proven. 1817 refuted. 0 times theorem prover too weak. 1820 trivial. 0 not checked. [2024-11-17 04:12:05,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002527952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:12:05,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:12:05,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 49, 49] total 98 [2024-11-17 04:12:05,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035135539] [2024-11-17 04:12:05,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:12:05,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-11-17 04:12:05,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:12:05,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-11-17 04:12:05,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2357, Invalid=7149, Unknown=0, NotChecked=0, Total=9506 [2024-11-17 04:12:05,658 INFO L87 Difference]: Start difference. First operand 1043 states and 1121 transitions. Second operand has 98 states, 98 states have (on average 4.122448979591836) internal successors, (404), 98 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:12,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:12:12,078 INFO L93 Difference]: Finished difference Result 3448 states and 3895 transitions. [2024-11-17 04:12:12,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-11-17 04:12:12,079 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 4.122448979591836) internal successors, (404), 98 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 353 [2024-11-17 04:12:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:12:12,087 INFO L225 Difference]: With dead ends: 3448 [2024-11-17 04:12:12,087 INFO L226 Difference]: Without dead ends: 2732 [2024-11-17 04:12:12,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 893 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25072 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=13915, Invalid=66457, Unknown=0, NotChecked=0, Total=80372 [2024-11-17 04:12:12,097 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 432 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:12:12,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 290 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:12:12,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2024-11-17 04:12:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 2052. [2024-11-17 04:12:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2052 states, 2048 states have (on average 1.0751953125) internal successors, (2202), 2051 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2202 transitions. [2024-11-17 04:12:12,168 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2202 transitions. Word has length 353 [2024-11-17 04:12:12,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:12:12,169 INFO L471 AbstractCegarLoop]: Abstraction has 2052 states and 2202 transitions. [2024-11-17 04:12:12,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 4.122448979591836) internal successors, (404), 98 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2202 transitions. [2024-11-17 04:12:12,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2024-11-17 04:12:12,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:12:12,182 INFO L215 NwaCegarLoop]: trace histogram [96, 94, 94, 94, 94, 94, 94, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:12:12,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:12:12,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:12:12,384 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:12:12,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:12:12,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1820172343, now seen corresponding path program 1 times [2024-11-17 04:12:12,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:12:12,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411923523] [2024-11-17 04:12:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:12:12,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:12:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:12:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30985 backedges. 0 proven. 15663 refuted. 0 times theorem prover too weak. 15322 trivial. 0 not checked. [2024-11-17 04:12:12,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:12:12,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411923523] [2024-11-17 04:12:12,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411923523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:12:12,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101009490] [2024-11-17 04:12:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:12:12,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:12:12,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:12:12,780 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) [2024-11-17 04:12:12,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:12:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:12:12,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-17 04:12:12,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:12:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 30985 backedges. 15655 proven. 7661 refuted. 0 times theorem prover too weak. 7669 trivial. 0 not checked. [2024-11-17 04:12:15,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:12:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30985 backedges. 15655 proven. 7661 refuted. 0 times theorem prover too weak. 7669 trivial. 0 not checked. [2024-11-17 04:12:22,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101009490] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:12:22,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:12:22,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 97, 97] total 194 [2024-11-17 04:12:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160221862] [2024-11-17 04:12:22,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:12:22,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-11-17 04:12:22,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:12:22,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-11-17 04:12:22,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9317, Invalid=28125, Unknown=0, NotChecked=0, Total=37442 [2024-11-17 04:12:22,387 INFO L87 Difference]: Start difference. First operand 2052 states and 2202 transitions. Second operand has 194 states, 194 states have (on average 3.7783505154639174) internal successors, (733), 194 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:47,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:12:47,138 INFO L93 Difference]: Finished difference Result 6815 states and 7694 transitions. [2024-11-17 04:12:47,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2024-11-17 04:12:47,139 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 194 states have (on average 3.7783505154639174) internal successors, (733), 194 states have internal predecessors, (733), 0 states have call successors, (0), 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 689 [2024-11-17 04:12:47,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:12:47,156 INFO L225 Difference]: With dead ends: 6815 [2024-11-17 04:12:47,157 INFO L226 Difference]: Without dead ends: 5426 [2024-11-17 04:12:47,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1757 GetRequests, 1187 SyntacticMatches, 0 SemanticMatches, 570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104248 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=55483, Invalid=271129, Unknown=0, NotChecked=0, Total=326612 [2024-11-17 04:12:47,182 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1582 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:12:47,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 477 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:12:47,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5426 states. [2024-11-17 04:12:47,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5426 to 5424. [2024-11-17 04:12:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5424 states, 5420 states have (on average 1.0730627306273062) internal successors, (5816), 5423 states have internal predecessors, (5816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5424 states to 5424 states and 5816 transitions. [2024-11-17 04:12:47,403 INFO L78 Accepts]: Start accepts. Automaton has 5424 states and 5816 transitions. Word has length 689 [2024-11-17 04:12:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:12:47,404 INFO L471 AbstractCegarLoop]: Abstraction has 5424 states and 5816 transitions. [2024-11-17 04:12:47,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 3.7783505154639174) internal successors, (733), 194 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:12:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5424 states and 5816 transitions. [2024-11-17 04:12:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1365 [2024-11-17 04:12:47,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:12:47,460 INFO L215 NwaCegarLoop]: trace histogram [192, 190, 190, 190, 190, 190, 189, 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] [2024-11-17 04:12:47,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:12:47,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:12:47,665 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 04:12:47,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:12:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash -450421603, now seen corresponding path program 1 times [2024-11-17 04:12:47,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:12:47,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472759088] [2024-11-17 04:12:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:12:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:12:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:12:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 126452 backedges. 0 proven. 63562 refuted. 0 times theorem prover too weak. 62890 trivial. 0 not checked. [2024-11-17 04:12:48,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:12:48,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472759088] [2024-11-17 04:12:48,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472759088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:12:48,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31018903] [2024-11-17 04:12:48,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:12:48,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:12:48,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:12:48,471 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) [2024-11-17 04:12:48,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:12:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:12:48,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-17 04:12:48,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:12:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 126452 backedges. 63559 proven. 31445 refuted. 0 times theorem prover too weak. 31448 trivial. 0 not checked. [2024-11-17 04:12:58,678 INFO L311 TraceCheckSpWp]: Computing backward predicates...