./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/cohencu4-both-nt.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/termination-nla/cohencu4-both-nt.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 7fd13595f3b5096b42d3b96a25fd9abd33fd3af5374ed62e7f19833538fa3307 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:02:46,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:02:46,791 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:02:46,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:02:46,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:02:46,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:02:46,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:02:46,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:02:46,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:02:46,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:02:46,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:02:46,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:02:46,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:02:46,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:02:46,825 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:02:46,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:02:46,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:02:46,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:02:46,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:02:46,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:02:46,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:02:46,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:02:46,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:02:46,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:02:46,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:02:46,829 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:02:46,829 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:02:46,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:02:46,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:02:46,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:02:46,830 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:02:46,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:02:46,830 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:02:46,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:02:46,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:02:46,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:02:46,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:02:46,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:02:46,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:02:46,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:02:46,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:02:46,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:02:46,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:02:46,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:02:46,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fd13595f3b5096b42d3b96a25fd9abd33fd3af5374ed62e7f19833538fa3307 [2024-11-17 04:02:47,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:02:47,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:02:47,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:02:47,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:02:47,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:02:47,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/cohencu4-both-nt.c [2024-11-17 04:02:48,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:02:48,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:02:48,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/cohencu4-both-nt.c [2024-11-17 04:02:48,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a67005307/9ac61db680e24f0ca471b17657aa87fd/FLAG304395c3d [2024-11-17 04:02:48,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a67005307/9ac61db680e24f0ca471b17657aa87fd [2024-11-17 04:02:48,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:02:48,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:02:48,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:02:48,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:02:48,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:02:48,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8bc71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48, skipping insertion in model container [2024-11-17 04:02:48,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:02:48,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:02:48,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:02:48,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:02:48,919 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:02:48,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48 WrapperNode [2024-11-17 04:02:48,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:02:48,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:02:48,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:02:48,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:02:48,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,947 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-11-17 04:02:48,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:02:48,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:02:48,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:02:48,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:02:48,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,964 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 04:02:48,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:02:48,975 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:02:48,975 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:02:48,975 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:02:48,976 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (1/1) ... [2024-11-17 04:02:48,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:02:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:49,008 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 04:02:49,010 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 04:02:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:02:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:02:49,093 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:02:49,095 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:02:49,262 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-17 04:02:49,262 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:02:49,272 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:02:49,272 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:02:49,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:02:49 BoogieIcfgContainer [2024-11-17 04:02:49,272 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:02:49,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:02:49,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:02:49,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:02:49,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:02:48" (1/3) ... [2024-11-17 04:02:49,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4832be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:02:49, skipping insertion in model container [2024-11-17 04:02:49,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:48" (2/3) ... [2024-11-17 04:02:49,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4832be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:02:49, skipping insertion in model container [2024-11-17 04:02:49,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:02:49" (3/3) ... [2024-11-17 04:02:49,281 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu4-both-nt.c [2024-11-17 04:02:49,293 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:02:49,293 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-17 04:02:49,333 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:02:49,337 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;@209ef50c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:02:49,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-17 04:02:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 59 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 04:02:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 04:02:49,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:49,347 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 04:02:49,348 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:49,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:49,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2769503, now seen corresponding path program 1 times [2024-11-17 04:02:49,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:49,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272224421] [2024-11-17 04:02:49,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:49,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:02:49,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019310824] [2024-11-17 04:02:49,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:49,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:02:49,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:49,430 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 04:02:49,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:02:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:49,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:02:49,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:02:49,521 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 04:02:49,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:02:49,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:49,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272224421] [2024-11-17 04:02:49,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:02:49,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019310824] [2024-11-17 04:02:49,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019310824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:49,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:49,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:49,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485730005] [2024-11-17 04:02:49,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:49,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:49,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:49,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:49,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:49,550 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 59 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 04:02:49,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:49,686 INFO L93 Difference]: Finished difference Result 103 states and 115 transitions. [2024-11-17 04:02:49,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:49,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2024-11-17 04:02:49,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:49,694 INFO L225 Difference]: With dead ends: 103 [2024-11-17 04:02:49,695 INFO L226 Difference]: Without dead ends: 87 [2024-11-17 04:02:49,697 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 04:02:49,701 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 29 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:49,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 41 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:02:49,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-17 04:02:49,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2024-11-17 04:02:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.6551724137931034) internal successors, (96), 81 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2024-11-17 04:02:49,735 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 4 [2024-11-17 04:02:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:49,735 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2024-11-17 04:02:49,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 04:02:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-11-17 04:02:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:02:49,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:49,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:02:49,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:02:49,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-17 04:02:49,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:49,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:49,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1633474179, now seen corresponding path program 1 times [2024-11-17 04:02:49,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:49,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864070543] [2024-11-17 04:02:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:49,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:49,999 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 04:02:49,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:49,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864070543] [2024-11-17 04:02:49,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864070543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:50,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:50,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:50,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439929045] [2024-11-17 04:02:50,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:50,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:50,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:50,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:50,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:50,001 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:50,096 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2024-11-17 04:02:50,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:50,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:02:50,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:50,098 INFO L225 Difference]: With dead ends: 85 [2024-11-17 04:02:50,098 INFO L226 Difference]: Without dead ends: 84 [2024-11-17 04:02:50,098 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 04:02:50,099 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 22 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:50,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 60 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:02:50,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-17 04:02:50,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-17 04:02:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.6379310344827587) internal successors, (95), 81 states have internal predecessors, (95), 0 states have call successors, (0), 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 04:02:50,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2024-11-17 04:02:50,105 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 6 [2024-11-17 04:02:50,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:50,105 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2024-11-17 04:02:50,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2024-11-17 04:02:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:02:50,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:50,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:50,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:02:50,106 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:50,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:50,107 INFO L85 PathProgramCache]: Analyzing trace with hash 901908022, now seen corresponding path program 1 times [2024-11-17 04:02:50,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:50,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045917811] [2024-11-17 04:02:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:50,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:50,130 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 04:02:50,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:50,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045917811] [2024-11-17 04:02:50,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045917811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:50,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:50,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:50,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900067912] [2024-11-17 04:02:50,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:50,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:50,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:50,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:50,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:50,133 INFO L87 Difference]: Start difference. First operand 82 states and 95 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:50,183 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2024-11-17 04:02:50,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:50,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:02:50,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:50,184 INFO L225 Difference]: With dead ends: 85 [2024-11-17 04:02:50,184 INFO L226 Difference]: Without dead ends: 84 [2024-11-17 04:02:50,185 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 04:02:50,186 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 21 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:50,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 61 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-17 04:02:50,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-17 04:02:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.6206896551724137) internal successors, (94), 81 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2024-11-17 04:02:50,191 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 7 [2024-11-17 04:02:50,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:50,192 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2024-11-17 04:02:50,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2024-11-17 04:02:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:02:50,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:50,193 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:50,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:02:50,193 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:50,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2105622373, now seen corresponding path program 1 times [2024-11-17 04:02:50,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:50,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089476857] [2024-11-17 04:02:50,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:50,230 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 04:02:50,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:50,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089476857] [2024-11-17 04:02:50,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089476857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:50,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:50,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:02:50,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632557117] [2024-11-17 04:02:50,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:50,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:02:50,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:50,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:02:50,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:02:50,233 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:50,544 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2024-11-17 04:02:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:02:50,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 04:02:50,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:50,545 INFO L225 Difference]: With dead ends: 85 [2024-11-17 04:02:50,545 INFO L226 Difference]: Without dead ends: 84 [2024-11-17 04:02:50,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:02:50,546 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 64 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:50,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 46 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:02:50,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-17 04:02:50,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-17 04:02:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.603448275862069) internal successors, (93), 81 states have internal predecessors, (93), 0 states have call successors, (0), 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 04:02:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2024-11-17 04:02:50,552 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 8 [2024-11-17 04:02:50,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:50,553 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2024-11-17 04:02:50,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2024-11-17 04:02:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:02:50,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:50,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:50,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:02:50,554 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:50,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash -849784108, now seen corresponding path program 1 times [2024-11-17 04:02:50,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:50,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619929812] [2024-11-17 04:02:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:50,590 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 04:02:50,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:50,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619929812] [2024-11-17 04:02:50,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619929812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:50,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:50,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:02:50,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282479075] [2024-11-17 04:02:50,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:50,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:02:50,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:50,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:02:50,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:02:50,593 INFO L87 Difference]: Start difference. First operand 82 states and 93 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 04:02:50,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:50,923 INFO L93 Difference]: Finished difference Result 85 states and 93 transitions. [2024-11-17 04:02:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:02:50,924 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 04:02:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:50,925 INFO L225 Difference]: With dead ends: 85 [2024-11-17 04:02:50,925 INFO L226 Difference]: Without dead ends: 84 [2024-11-17 04:02:50,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:02:50,926 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 62 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:50,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 47 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:02:50,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-17 04:02:50,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-17 04:02:50,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.5862068965517242) internal successors, (92), 81 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-17 04:02:50,932 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 9 [2024-11-17 04:02:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:50,933 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-17 04:02:50,933 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 04:02:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-17 04:02:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 04:02:50,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:50,934 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:50,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:02:50,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:50,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:50,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1381105961, now seen corresponding path program 1 times [2024-11-17 04:02:50,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:50,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503705319] [2024-11-17 04:02:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:02:50,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1055911782] [2024-11-17 04:02:50,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:50,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:02:50,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:50,948 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 04:02:50,951 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 04:02:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:50,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:02:50,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:02:51,059 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 04:02:51,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:02:51,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:51,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503705319] [2024-11-17 04:02:51,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:02:51,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055911782] [2024-11-17 04:02:51,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055911782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:51,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:51,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:51,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867849299] [2024-11-17 04:02:51,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:51,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:51,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:51,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:51,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:51,063 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 04:02:51,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:51,177 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2024-11-17 04:02:51,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:51,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2024-11-17 04:02:51,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:51,178 INFO L225 Difference]: With dead ends: 88 [2024-11-17 04:02:51,178 INFO L226 Difference]: Without dead ends: 84 [2024-11-17 04:02:51,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 04:02:51,179 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 16 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:51,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 39 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:02:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-17 04:02:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-17 04:02:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 81 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-11-17 04:02:51,184 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 12 [2024-11-17 04:02:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:51,184 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-11-17 04:02:51,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 04:02:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-11-17 04:02:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 04:02:51,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:51,185 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:51,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:02:51,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:02:51,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:51,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:51,391 INFO L85 PathProgramCache]: Analyzing trace with hash 135388176, now seen corresponding path program 1 times [2024-11-17 04:02:51,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401778860] [2024-11-17 04:02:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:51,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:51,451 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 04:02:51,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:51,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401778860] [2024-11-17 04:02:51,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401778860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:51,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:51,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:02:51,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716717284] [2024-11-17 04:02:51,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:51,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:02:51,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:51,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:02:51,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:02:51,453 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:52,075 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2024-11-17 04:02:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:52,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 04:02:52,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:52,076 INFO L225 Difference]: With dead ends: 85 [2024-11-17 04:02:52,076 INFO L226 Difference]: Without dead ends: 84 [2024-11-17 04:02:52,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:02:52,077 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 40 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:52,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 56 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:02:52,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-17 04:02:52,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-17 04:02:52,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.5) internal successors, (87), 81 states have internal predecessors, (87), 0 states have call successors, (0), 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 04:02:52,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2024-11-17 04:02:52,086 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 13 [2024-11-17 04:02:52,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:52,086 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2024-11-17 04:02:52,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2024-11-17 04:02:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:02:52,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:52,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:52,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:02:52,087 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:52,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:52,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1264081588, now seen corresponding path program 1 times [2024-11-17 04:02:52,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:52,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739177335] [2024-11-17 04:02:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:52,221 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 04:02:52,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:52,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739177335] [2024-11-17 04:02:52,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739177335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:52,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:52,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:02:52,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707856157] [2024-11-17 04:02:52,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:52,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:02:52,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:52,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:02:52,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:02:52,222 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 04:02:52,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:52,367 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2024-11-17 04:02:52,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:02:52,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 17 [2024-11-17 04:02:52,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:52,368 INFO L225 Difference]: With dead ends: 85 [2024-11-17 04:02:52,368 INFO L226 Difference]: Without dead ends: 83 [2024-11-17 04:02:52,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:02:52,369 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 46 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:52,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 41 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:02:52,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-17 04:02:52,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-17 04:02:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 80 states have internal predecessors, (84), 0 states have call successors, (0), 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 04:02:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 84 transitions. [2024-11-17 04:02:52,374 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 84 transitions. Word has length 17 [2024-11-17 04:02:52,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:52,374 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 84 transitions. [2024-11-17 04:02:52,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 04:02:52,374 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 84 transitions. [2024-11-17 04:02:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:02:52,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:52,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:52,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:02:52,375 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:52,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:52,376 INFO L85 PathProgramCache]: Analyzing trace with hash 578465447, now seen corresponding path program 1 times [2024-11-17 04:02:52,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:52,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400697133] [2024-11-17 04:02:52,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:52,408 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 04:02:52,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:52,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400697133] [2024-11-17 04:02:52,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400697133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:52,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:52,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:52,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926083056] [2024-11-17 04:02:52,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:52,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:52,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:52,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:52,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:52,414 INFO L87 Difference]: Start difference. First operand 81 states and 84 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:52,421 INFO L93 Difference]: Finished difference Result 81 states and 84 transitions. [2024-11-17 04:02:52,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:52,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-17 04:02:52,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:52,422 INFO L225 Difference]: With dead ends: 81 [2024-11-17 04:02:52,422 INFO L226 Difference]: Without dead ends: 80 [2024-11-17 04:02:52,422 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 04:02:52,423 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 32 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:52,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 51 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:52,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-17 04:02:52,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-17 04:02:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 79 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2024-11-17 04:02:52,430 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 21 [2024-11-17 04:02:52,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:52,430 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2024-11-17 04:02:52,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2024-11-17 04:02:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:02:52,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:52,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:52,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:02:52,431 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:52,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:52,433 INFO L85 PathProgramCache]: Analyzing trace with hash 752559662, now seen corresponding path program 1 times [2024-11-17 04:02:52,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:52,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167241800] [2024-11-17 04:02:52,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:52,476 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 04:02:52,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:52,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167241800] [2024-11-17 04:02:52,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167241800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:52,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:52,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:52,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189880939] [2024-11-17 04:02:52,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:52,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:52,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:52,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:52,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:52,478 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:52,484 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2024-11-17 04:02:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:52,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-17 04:02:52,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:52,485 INFO L225 Difference]: With dead ends: 81 [2024-11-17 04:02:52,485 INFO L226 Difference]: Without dead ends: 80 [2024-11-17 04:02:52,486 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 04:02:52,486 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:52,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 100 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:52,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-17 04:02:52,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-17 04:02:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.396551724137931) internal successors, (81), 79 states have internal predecessors, (81), 0 states have call successors, (0), 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 04:02:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2024-11-17 04:02:52,489 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 22 [2024-11-17 04:02:52,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:52,490 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2024-11-17 04:02:52,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2024-11-17 04:02:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:02:52,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:52,490 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:52,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:02:52,491 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:52,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:52,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1655329068, now seen corresponding path program 1 times [2024-11-17 04:02:52,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:52,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618857612] [2024-11-17 04:02:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:52,537 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 04:02:52,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:52,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618857612] [2024-11-17 04:02:52,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618857612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:52,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:52,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:52,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105038999] [2024-11-17 04:02:52,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:52,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:52,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:52,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:52,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:52,538 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:52,624 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2024-11-17 04:02:52,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:52,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-17 04:02:52,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:52,625 INFO L225 Difference]: With dead ends: 81 [2024-11-17 04:02:52,627 INFO L226 Difference]: Without dead ends: 80 [2024-11-17 04:02:52,627 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 04:02:52,628 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:52,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 51 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:02:52,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-17 04:02:52,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-17 04:02:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 79 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2024-11-17 04:02:52,632 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 24 [2024-11-17 04:02:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:52,633 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2024-11-17 04:02:52,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2024-11-17 04:02:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:02:52,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:52,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:52,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 04:02:52,636 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:52,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:52,636 INFO L85 PathProgramCache]: Analyzing trace with hash 255177223, now seen corresponding path program 1 times [2024-11-17 04:02:52,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:52,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017775423] [2024-11-17 04:02:52,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:52,676 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 04:02:52,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:52,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017775423] [2024-11-17 04:02:52,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017775423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:52,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:52,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:52,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628261448] [2024-11-17 04:02:52,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:52,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:52,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:52,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:52,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:52,678 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 04:02:52,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:52,725 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2024-11-17 04:02:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:52,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2024-11-17 04:02:52,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:52,726 INFO L225 Difference]: With dead ends: 80 [2024-11-17 04:02:52,726 INFO L226 Difference]: Without dead ends: 78 [2024-11-17 04:02:52,726 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 04:02:52,727 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:52,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 21 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:52,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-17 04:02:52,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-17 04:02:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 77 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2024-11-17 04:02:52,734 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 30 [2024-11-17 04:02:52,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:52,734 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2024-11-17 04:02:52,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 04:02:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2024-11-17 04:02:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:02:52,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:52,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:52,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:02:52,735 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:52,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:52,735 INFO L85 PathProgramCache]: Analyzing trace with hash -679440705, now seen corresponding path program 1 times [2024-11-17 04:02:52,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:52,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132059077] [2024-11-17 04:02:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:52,771 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 04:02:52,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:52,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132059077] [2024-11-17 04:02:52,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132059077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:52,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:52,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:52,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510820803] [2024-11-17 04:02:52,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:52,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:52,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:52,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:52,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:52,773 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 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 04:02:52,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:52,884 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2024-11-17 04:02:52,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:52,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-17 04:02:52,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:52,885 INFO L225 Difference]: With dead ends: 83 [2024-11-17 04:02:52,885 INFO L226 Difference]: Without dead ends: 82 [2024-11-17 04:02:52,885 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 04:02:52,886 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:52,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:02:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-17 04:02:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2024-11-17 04:02:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 80 states have internal predecessors, (81), 0 states have call successors, (0), 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 04:02:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2024-11-17 04:02:52,890 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 31 [2024-11-17 04:02:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:52,890 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2024-11-17 04:02:52,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 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 04:02:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2024-11-17 04:02:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:02:52,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:52,893 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:52,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:02:52,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:52,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash 962798308, now seen corresponding path program 1 times [2024-11-17 04:02:52,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:52,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638037181] [2024-11-17 04:02:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:02:52,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847025981] [2024-11-17 04:02:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:52,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:02:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:52,907 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 04:02:52,908 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 04:02:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:52,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:02:52,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:02:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:53,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:02:53,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:53,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638037181] [2024-11-17 04:02:53,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:02:53,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847025981] [2024-11-17 04:02:53,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847025981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:53,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:53,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:02:53,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927644750] [2024-11-17 04:02:53,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:53,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:02:53,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:53,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:02:53,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:02:53,086 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:53,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:53,279 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2024-11-17 04:02:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:02:53,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-17 04:02:53,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:53,280 INFO L225 Difference]: With dead ends: 82 [2024-11-17 04:02:53,280 INFO L226 Difference]: Without dead ends: 79 [2024-11-17 04:02:53,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:02:53,280 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 30 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:53,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 41 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:02:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-17 04:02:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-11-17 04:02:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.278688524590164) internal successors, (78), 77 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2024-11-17 04:02:53,284 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 34 [2024-11-17 04:02:53,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:53,284 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2024-11-17 04:02:53,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2024-11-17 04:02:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:02:53,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:53,285 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:53,298 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 04:02:53,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:02:53,486 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:53,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:53,490 INFO L85 PathProgramCache]: Analyzing trace with hash -218023501, now seen corresponding path program 1 times [2024-11-17 04:02:53,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:53,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353039667] [2024-11-17 04:02:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:53,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:02:53,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798126688] [2024-11-17 04:02:53,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:53,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:02:53,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:53,510 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 04:02:53,512 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 04:02:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:53,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:02:53,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:02:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:53,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:02:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:58,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:58,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353039667] [2024-11-17 04:02:58,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:02:58,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798126688] [2024-11-17 04:02:58,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798126688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:02:58,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:02:58,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:02:58,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049155321] [2024-11-17 04:02:58,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:02:58,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:02:58,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:58,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:02:58,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=31, Unknown=1, NotChecked=0, Total=56 [2024-11-17 04:02:58,611 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 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 04:02:59,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:59,633 INFO L93 Difference]: Finished difference Result 120 states and 130 transitions. [2024-11-17 04:02:59,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:02:59,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-17 04:02:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:59,634 INFO L225 Difference]: With dead ends: 120 [2024-11-17 04:02:59,634 INFO L226 Difference]: Without dead ends: 116 [2024-11-17 04:02:59,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=31, Invalid=40, Unknown=1, NotChecked=0, Total=72 [2024-11-17 04:02:59,635 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 57 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:59,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 68 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:02:59,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-17 04:02:59,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2024-11-17 04:02:59,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 111 states have internal predecessors, (125), 0 states have call successors, (0), 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 04:02:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 125 transitions. [2024-11-17 04:02:59,639 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 125 transitions. Word has length 35 [2024-11-17 04:02:59,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:59,639 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 125 transitions. [2024-11-17 04:02:59,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 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 04:02:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 125 transitions. [2024-11-17 04:02:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:02:59,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:59,640 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:59,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 04:02:59,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:02:59,843 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:02:59,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:59,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1831206082, now seen corresponding path program 1 times [2024-11-17 04:02:59,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:59,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666608011] [2024-11-17 04:02:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:59,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:59,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:59,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666608011] [2024-11-17 04:02:59,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666608011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:02:59,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330201040] [2024-11-17 04:02:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:59,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:02:59,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:59,883 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 04:02:59,884 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 04:02:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:59,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:02:59,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:02:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:59,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:00,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330201040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:00,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:00,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:03:00,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875024722] [2024-11-17 04:03:00,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:00,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:03:00,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:00,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:03:00,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:03:00,044 INFO L87 Difference]: Start difference. First operand 112 states and 125 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:00,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:00,196 INFO L93 Difference]: Finished difference Result 114 states and 125 transitions. [2024-11-17 04:03:00,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:00,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-17 04:03:00,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:00,197 INFO L225 Difference]: With dead ends: 114 [2024-11-17 04:03:00,197 INFO L226 Difference]: Without dead ends: 113 [2024-11-17 04:03:00,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:00,198 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 66 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:00,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 76 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:00,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-17 04:03:00,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-17 04:03:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 95 states have (on average 1.305263157894737) internal successors, (124), 111 states have internal predecessors, (124), 0 states have call successors, (0), 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 04:03:00,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2024-11-17 04:03:00,203 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 36 [2024-11-17 04:03:00,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:00,203 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2024-11-17 04:03:00,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2024-11-17 04:03:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:03:00,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:00,205 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:00,217 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 04:03:00,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:03:00,406 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:00,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash 932813713, now seen corresponding path program 1 times [2024-11-17 04:03:00,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:00,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052564292] [2024-11-17 04:03:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:00,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:00,450 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 04:03:00,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:00,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052564292] [2024-11-17 04:03:00,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052564292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:00,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955657297] [2024-11-17 04:03:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:00,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:00,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:00,452 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 04:03:00,460 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 04:03:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:00,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:03:00,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:00,601 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 04:03:00,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:00,702 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 04:03:00,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955657297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:00,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:00,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:03:00,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64811538] [2024-11-17 04:03:00,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:00,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:03:00,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:00,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:03:00,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:03:00,704 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 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 04:03:00,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:00,848 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2024-11-17 04:03:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:00,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-17 04:03:00,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:00,850 INFO L225 Difference]: With dead ends: 114 [2024-11-17 04:03:00,850 INFO L226 Difference]: Without dead ends: 113 [2024-11-17 04:03:00,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:03:00,854 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 63 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:00,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 55 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:00,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-17 04:03:00,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-17 04:03:00,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 111 states have internal predecessors, (123), 0 states have call successors, (0), 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 04:03:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2024-11-17 04:03:00,862 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 37 [2024-11-17 04:03:00,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:00,862 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2024-11-17 04:03:00,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 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 04:03:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2024-11-17 04:03:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:03:00,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:00,867 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:00,887 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 04:03:01,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:03:01,069 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:01,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:01,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1147545952, now seen corresponding path program 1 times [2024-11-17 04:03:01,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:01,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743972338] [2024-11-17 04:03:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:01,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:01,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910837217] [2024-11-17 04:03:01,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:01,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:01,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:01,078 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 04:03:01,079 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 04:03:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:01,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:03:01,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:01,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:01,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:01,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743972338] [2024-11-17 04:03:01,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:01,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910837217] [2024-11-17 04:03:01,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910837217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:01,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:01,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:03:01,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502208824] [2024-11-17 04:03:01,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:01,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:03:01,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:01,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:03:01,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:03:01,582 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:03,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:03,122 INFO L93 Difference]: Finished difference Result 121 states and 123 transitions. [2024-11-17 04:03:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:03:03,122 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-17 04:03:03,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:03,123 INFO L225 Difference]: With dead ends: 121 [2024-11-17 04:03:03,123 INFO L226 Difference]: Without dead ends: 112 [2024-11-17 04:03:03,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:03:03,124 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 47 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:03,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 58 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 04:03:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-17 04:03:03,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2024-11-17 04:03:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.1894736842105262) internal successors, (113), 110 states have internal predecessors, (113), 0 states have call successors, (0), 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 04:03:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 113 transitions. [2024-11-17 04:03:03,131 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 113 transitions. Word has length 38 [2024-11-17 04:03:03,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:03,131 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 113 transitions. [2024-11-17 04:03:03,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 113 transitions. [2024-11-17 04:03:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:03:03,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:03,132 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:03:03,144 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 04:03:03,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:03,337 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:03,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:03,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1998638963, now seen corresponding path program 1 times [2024-11-17 04:03:03,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:03,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179397767] [2024-11-17 04:03:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:03,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:03,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:03,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179397767] [2024-11-17 04:03:03,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179397767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:03,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072155145] [2024-11-17 04:03:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:03,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:03,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:03,384 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 04:03:03,385 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 04:03:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:03,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:03:03,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:03,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:03,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072155145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:03,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:03,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 04:03:03,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817032015] [2024-11-17 04:03:03,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:03,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:03:03,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:03,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:03:03,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:03:03,566 INFO L87 Difference]: Start difference. First operand 111 states and 113 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 04:03:03,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:03,595 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2024-11-17 04:03:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:03:03,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 52 [2024-11-17 04:03:03,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:03,609 INFO L225 Difference]: With dead ends: 185 [2024-11-17 04:03:03,609 INFO L226 Difference]: Without dead ends: 184 [2024-11-17 04:03:03,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:03:03,610 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 48 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:03,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 211 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:03:03,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-17 04:03:03,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 158. [2024-11-17 04:03:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 142 states have (on average 1.295774647887324) internal successors, (184), 157 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2024-11-17 04:03:03,617 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 52 [2024-11-17 04:03:03,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:03,618 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2024-11-17 04:03:03,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 04:03:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2024-11-17 04:03:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 04:03:03,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:03,618 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:03:03,635 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 04:03:03,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:03,819 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:03,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:03,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1638628582, now seen corresponding path program 1 times [2024-11-17 04:03:03,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:03,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144163879] [2024-11-17 04:03:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:03,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-17 04:03:03,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:03,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144163879] [2024-11-17 04:03:03,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144163879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:03:03,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:03:03,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:03:03,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26646974] [2024-11-17 04:03:03,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:03:03,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:03:03,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:03,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:03:03,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:03:03,851 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 04:03:03,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:03,939 INFO L93 Difference]: Finished difference Result 158 states and 184 transitions. [2024-11-17 04:03:03,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:03:03,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 61 [2024-11-17 04:03:03,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:03,940 INFO L225 Difference]: With dead ends: 158 [2024-11-17 04:03:03,940 INFO L226 Difference]: Without dead ends: 157 [2024-11-17 04:03:03,940 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 04:03:03,941 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:03,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:03,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-17 04:03:03,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-17 04:03:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 142 states have (on average 1.2746478873239437) internal successors, (181), 156 states have internal predecessors, (181), 0 states have call successors, (0), 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 04:03:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 181 transitions. [2024-11-17 04:03:03,949 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 181 transitions. Word has length 61 [2024-11-17 04:03:03,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:03,949 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 181 transitions. [2024-11-17 04:03:03,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 04:03:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 181 transitions. [2024-11-17 04:03:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-17 04:03:03,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:03,949 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:03:03,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 04:03:03,949 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:03,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:03,950 INFO L85 PathProgramCache]: Analyzing trace with hash -336361145, now seen corresponding path program 2 times [2024-11-17 04:03:03,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:03,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905939392] [2024-11-17 04:03:03,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:03,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:04,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:04,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905939392] [2024-11-17 04:03:04,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905939392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:04,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753094604] [2024-11-17 04:03:04,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:03:04,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:04,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:04,053 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 04:03:04,057 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 04:03:04,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:03:04,089 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:03:04,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:03:04,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:04,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:04,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753094604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:04,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:04,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-17 04:03:04,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163053108] [2024-11-17 04:03:04,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:04,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:03:04,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:04,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:03:04,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:03:04,367 INFO L87 Difference]: Start difference. First operand 157 states and 181 transitions. Second operand has 13 states, 12 states have (on average 15.5) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 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 04:03:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:04,610 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2024-11-17 04:03:04,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:03:04,610 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.5) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-17 04:03:04,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:04,611 INFO L225 Difference]: With dead ends: 157 [2024-11-17 04:03:04,611 INFO L226 Difference]: Without dead ends: 155 [2024-11-17 04:03:04,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:03:04,612 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 62 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:04,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 49 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:04,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-17 04:03:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-17 04:03:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 142 states have (on average 1.2394366197183098) internal successors, (176), 154 states have internal predecessors, (176), 0 states have call successors, (0), 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 04:03:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 176 transitions. [2024-11-17 04:03:04,615 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 176 transitions. Word has length 66 [2024-11-17 04:03:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:04,616 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 176 transitions. [2024-11-17 04:03:04,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.5) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 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 04:03:04,616 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 176 transitions. [2024-11-17 04:03:04,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:03:04,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:04,616 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:03:04,628 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 04:03:04,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:04,817 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:04,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:04,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1837260884, now seen corresponding path program 2 times [2024-11-17 04:03:04,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:04,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12963971] [2024-11-17 04:03:04,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:04,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:04,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:04,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12963971] [2024-11-17 04:03:04,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12963971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:04,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232443413] [2024-11-17 04:03:04,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:03:04,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:04,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:04,876 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 04:03:04,878 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 04:03:04,906 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:03:04,907 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:03:04,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:03:04,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:05,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:05,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232443413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:05,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:05,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-17 04:03:05,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734290340] [2024-11-17 04:03:05,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:05,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:03:05,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:05,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:03:05,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:03:05,203 INFO L87 Difference]: Start difference. First operand 155 states and 176 transitions. Second operand has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:05,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:05,421 INFO L93 Difference]: Finished difference Result 158 states and 176 transitions. [2024-11-17 04:03:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:03:05,422 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-17 04:03:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:05,422 INFO L225 Difference]: With dead ends: 158 [2024-11-17 04:03:05,422 INFO L226 Difference]: Without dead ends: 157 [2024-11-17 04:03:05,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:03:05,423 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 71 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:05,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 98 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:03:05,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-17 04:03:05,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-17 04:03:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 142 states have (on average 1.232394366197183) internal successors, (175), 154 states have internal predecessors, (175), 0 states have call successors, (0), 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 04:03:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 175 transitions. [2024-11-17 04:03:05,426 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 175 transitions. Word has length 67 [2024-11-17 04:03:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:05,427 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 175 transitions. [2024-11-17 04:03:05,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 175 transitions. [2024-11-17 04:03:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 04:03:05,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:05,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:03:05,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:05,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-17 04:03:05,631 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:05,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:05,632 INFO L85 PathProgramCache]: Analyzing trace with hash -376150326, now seen corresponding path program 1 times [2024-11-17 04:03:05,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:05,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087962718] [2024-11-17 04:03:05,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:05,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:05,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087962718] [2024-11-17 04:03:05,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087962718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704668451] [2024-11-17 04:03:05,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:05,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:05,748 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:05,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:03:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:05,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:03:05,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:06,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:15,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704668451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:15,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:15,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-17 04:03:15,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979424304] [2024-11-17 04:03:15,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:15,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:03:15,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:15,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:03:15,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=185, Unknown=2, NotChecked=0, Total=240 [2024-11-17 04:03:15,934 INFO L87 Difference]: Start difference. First operand 155 states and 175 transitions. Second operand has 16 states, 15 states have (on average 13.133333333333333) internal successors, (197), 16 states have internal predecessors, (197), 0 states have call successors, (0), 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 04:03:18,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:18,044 INFO L93 Difference]: Finished difference Result 155 states and 175 transitions. [2024-11-17 04:03:18,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:03:18,045 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 13.133333333333333) internal successors, (197), 16 states have internal predecessors, (197), 0 states have call successors, (0), 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 69 [2024-11-17 04:03:18,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:18,045 INFO L225 Difference]: With dead ends: 155 [2024-11-17 04:03:18,046 INFO L226 Difference]: Without dead ends: 151 [2024-11-17 04:03:18,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=172, Invalid=378, Unknown=2, NotChecked=0, Total=552 [2024-11-17 04:03:18,050 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 120 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:18,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 59 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-17 04:03:18,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-17 04:03:18,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-17 04:03:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 142 states have (on average 1.1549295774647887) internal successors, (164), 150 states have internal predecessors, (164), 0 states have call successors, (0), 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 04:03:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 164 transitions. [2024-11-17 04:03:18,057 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 164 transitions. Word has length 69 [2024-11-17 04:03:18,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:18,057 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 164 transitions. [2024-11-17 04:03:18,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 13.133333333333333) internal successors, (197), 16 states have internal predecessors, (197), 0 states have call successors, (0), 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 04:03:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2024-11-17 04:03:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-17 04:03:18,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:18,058 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:03:18,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:18,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 04:03:18,258 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:18,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:18,259 INFO L85 PathProgramCache]: Analyzing trace with hash -703210008, now seen corresponding path program 1 times [2024-11-17 04:03:18,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:18,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48982046] [2024-11-17 04:03:18,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:18,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:18,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:18,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48982046] [2024-11-17 04:03:18,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48982046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:03:18,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133516169] [2024-11-17 04:03:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:18,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:18,331 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:18,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:03:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:18,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:03:18,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:18,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:18,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133516169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:18,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:03:18,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-17 04:03:18,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679447719] [2024-11-17 04:03:18,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:18,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:03:18,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:18,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:03:18,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:03:18,616 INFO L87 Difference]: Start difference. First operand 151 states and 164 transitions. Second operand has 13 states, 12 states have (on average 16.583333333333332) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 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 04:03:18,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:18,786 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2024-11-17 04:03:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:03:18,786 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.583333333333332) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 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 71 [2024-11-17 04:03:18,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:18,787 INFO L225 Difference]: With dead ends: 153 [2024-11-17 04:03:18,787 INFO L226 Difference]: Without dead ends: 152 [2024-11-17 04:03:18,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:03:18,788 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 92 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:18,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 75 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:03:18,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-17 04:03:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2024-11-17 04:03:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 142 states have (on average 1.1408450704225352) internal successors, (162), 150 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:03:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 162 transitions. [2024-11-17 04:03:18,793 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 162 transitions. Word has length 71 [2024-11-17 04:03:18,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:18,793 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 162 transitions. [2024-11-17 04:03:18,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.583333333333332) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 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 04:03:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2024-11-17 04:03:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 04:03:18,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:18,794 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:03:18,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:18,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-17 04:03:18,995 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:18,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:18,995 INFO L85 PathProgramCache]: Analyzing trace with hash -324673759, now seen corresponding path program 1 times [2024-11-17 04:03:18,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:18,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600890708] [2024-11-17 04:03:18,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:19,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754527547] [2024-11-17 04:03:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:19,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:19,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:19,010 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:19,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:03:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:03:19,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:03:19,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:19,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:19,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600890708] [2024-11-17 04:03:19,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754527547] [2024-11-17 04:03:19,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754527547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:19,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:19,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-17 04:03:19,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378784322] [2024-11-17 04:03:19,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:19,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:03:19,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:19,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:03:19,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:03:19,660 INFO L87 Difference]: Start difference. First operand 151 states and 162 transitions. Second operand has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 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 04:03:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:03:20,745 INFO L93 Difference]: Finished difference Result 191 states and 206 transitions. [2024-11-17 04:03:20,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:03:20,745 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 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 72 [2024-11-17 04:03:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:03:20,746 INFO L225 Difference]: With dead ends: 191 [2024-11-17 04:03:20,746 INFO L226 Difference]: Without dead ends: 186 [2024-11-17 04:03:20,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:03:20,747 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 138 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:03:20,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 130 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:03:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-17 04:03:20,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 171. [2024-11-17 04:03:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 162 states have (on average 1.1111111111111112) internal successors, (180), 170 states have internal predecessors, (180), 0 states have call successors, (0), 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 04:03:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 180 transitions. [2024-11-17 04:03:20,751 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 180 transitions. Word has length 72 [2024-11-17 04:03:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:03:20,751 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 180 transitions. [2024-11-17 04:03:20,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 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 04:03:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2024-11-17 04:03:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-17 04:03:20,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:03:20,752 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-17 04:03:20,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 04:03:20,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-17 04:03:20,954 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:03:20,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:03:20,954 INFO L85 PathProgramCache]: Analyzing trace with hash 60859945, now seen corresponding path program 2 times [2024-11-17 04:03:20,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:03:20,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686705105] [2024-11-17 04:03:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:03:20,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:03:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:03:20,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651159253] [2024-11-17 04:03:20,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:03:20,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:03:20,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:03:20,965 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:03:20,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:03:21,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:03:21,028 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:03:21,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:03:21,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:03:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:21,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:03:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:03:56,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:03:56,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686705105] [2024-11-17 04:03:56,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:03:56,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651159253] [2024-11-17 04:03:56,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651159253] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:03:56,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:03:56,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-17 04:03:56,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893026229] [2024-11-17 04:03:56,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:03:56,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:03:56,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:03:56,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:03:56,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=151, Unknown=9, NotChecked=0, Total=240 [2024-11-17 04:03:56,142 INFO L87 Difference]: Start difference. First operand 171 states and 180 transitions. Second operand has 16 states, 15 states have (on average 12.6) internal successors, (189), 16 states have internal predecessors, (189), 0 states have call successors, (0), 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 04:04:00,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:03,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:07,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:11,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:15,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:20,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:28,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-17 04:04:32,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1]