./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/cohencu3-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/cohencu3-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 3ca7ce9ebd9ab1a6eee9fc9006cb49cb4f31e2e39b3b21c759320bb8210d6441 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:17:37,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:17:38,050 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:17:38,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:17:38,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:17:38,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:17:38,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:17:38,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:17:38,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:17:38,094 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:17:38,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:17:38,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:17:38,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:17:38,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:17:38,098 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:17:38,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:17:38,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:17:38,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:17:38,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:17:38,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:17:38,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:17:38,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:17:38,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:17:38,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:17:38,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:17:38,104 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:17:38,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:17:38,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:17:38,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:17:38,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:17:38,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:17:38,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:17:38,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:17:38,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:17:38,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:17:38,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:17:38,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:17:38,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:17:38,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:17:38,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:17:38,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:17:38,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:17:38,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:17:38,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:17:38,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ca7ce9ebd9ab1a6eee9fc9006cb49cb4f31e2e39b3b21c759320bb8210d6441 [2024-11-09 11:17:38,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:17:38,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:17:38,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:17:38,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:17:38,388 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:17:38,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/cohencu3-both-nt.c [2024-11-09 11:17:39,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:17:40,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:17:40,040 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/cohencu3-both-nt.c [2024-11-09 11:17:40,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed889118a/7e0601bcaab048daaf09000e02104faf/FLAGf213da538 [2024-11-09 11:17:40,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed889118a/7e0601bcaab048daaf09000e02104faf [2024-11-09 11:17:40,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:17:40,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:17:40,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:17:40,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:17:40,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:17:40,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15653adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40, skipping insertion in model container [2024-11-09 11:17:40,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:17:40,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:17:40,287 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:17:40,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:17:40,318 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:17:40,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40 WrapperNode [2024-11-09 11:17:40,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:17:40,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:17:40,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:17:40,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:17:40,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,347 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-09 11:17:40,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:17:40,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:17:40,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:17:40,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:17:40,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,372 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 11:17:40,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:17:40,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:17:40,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:17:40,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:17:40,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (1/1) ... [2024-11-09 11:17:40,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:17:40,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:40,420 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) [2024-11-09 11:17:40,423 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 [2024-11-09 11:17:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:17:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:17:40,530 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:17:40,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:17:40,698 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 11:17:40,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:17:40,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:17:40,716 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:17:40,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:17:40 BoogieIcfgContainer [2024-11-09 11:17:40,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:17:40,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:17:40,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:17:40,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:17:40,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:17:40" (1/3) ... [2024-11-09 11:17:40,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443da682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:17:40, skipping insertion in model container [2024-11-09 11:17:40,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:40" (2/3) ... [2024-11-09 11:17:40,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443da682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:17:40, skipping insertion in model container [2024-11-09 11:17:40,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:17:40" (3/3) ... [2024-11-09 11:17:40,729 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu3-both-nt.c [2024-11-09 11:17:40,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:17:40,745 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-09 11:17:40,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:17:40,821 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;@e4eddc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:17:40,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-09 11:17:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 30 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 11:17:40,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:40,833 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 11:17:40,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:40,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-09 11:17:40,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:40,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671089564] [2024-11-09 11:17:40,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:41,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:41,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:41,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671089564] [2024-11-09 11:17:41,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671089564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:41,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:41,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 11:17:41,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083586505] [2024-11-09 11:17:41,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:41,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:17:41,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:41,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:17:41,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:17:41,036 INFO L87 Difference]: Start difference. First operand has 31 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 30 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:41,049 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2024-11-09 11:17:41,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:17:41,054 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2024-11-09 11:17:41,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:41,061 INFO L225 Difference]: With dead ends: 35 [2024-11-09 11:17:41,061 INFO L226 Difference]: Without dead ends: 26 [2024-11-09 11:17:41,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:17:41,070 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:41,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-09 11:17:41,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-09 11:17:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 25 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2024-11-09 11:17:41,108 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 3 [2024-11-09 11:17:41,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:41,109 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2024-11-09 11:17:41,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2024-11-09 11:17:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:17:41,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:41,111 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:17:41,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:17:41,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:41,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:41,115 INFO L85 PathProgramCache]: Analyzing trace with hash 925700, now seen corresponding path program 1 times [2024-11-09 11:17:41,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:41,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562220317] [2024-11-09 11:17:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:41,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:17:41,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989494291] [2024-11-09 11:17:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:41,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:41,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:41,135 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) [2024-11-09 11:17:41,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:17:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:41,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:17:41,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:41,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:17:41,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:41,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562220317] [2024-11-09 11:17:41,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:17:41,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989494291] [2024-11-09 11:17:41,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989494291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:41,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:41,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:17:41,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85068506] [2024-11-09 11:17:41,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:41,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:17:41,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:41,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:17:41,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:17:41,227 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. 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) [2024-11-09 11:17:41,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:41,287 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2024-11-09 11:17:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:17:41,290 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 [2024-11-09 11:17:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:41,290 INFO L225 Difference]: With dead ends: 38 [2024-11-09 11:17:41,290 INFO L226 Difference]: Without dead ends: 33 [2024-11-09 11:17:41,291 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 [2024-11-09 11:17:41,293 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:41,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 32 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:41,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-09 11:17:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-09 11:17:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.5) internal successors, (33), 32 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-11-09 11:17:41,303 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 4 [2024-11-09 11:17:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:41,303 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2024-11-09 11:17:41,303 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) [2024-11-09 11:17:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-11-09 11:17:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:17:41,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:41,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:41,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:17:41,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:41,506 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:41,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:41,507 INFO L85 PathProgramCache]: Analyzing trace with hash 582856074, now seen corresponding path program 1 times [2024-11-09 11:17:41,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:41,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506376317] [2024-11-09 11:17:41,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:41,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:41,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:41,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506376317] [2024-11-09 11:17:41,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506376317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:41,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:41,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:17:41,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313949681] [2024-11-09 11:17:41,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:41,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:17:41,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:41,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:17:41,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:17:41,590 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:41,614 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-09 11:17:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:17:41,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 11:17:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:41,616 INFO L225 Difference]: With dead ends: 36 [2024-11-09 11:17:41,616 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 11:17:41,616 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 [2024-11-09 11:17:41,617 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:41,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 38 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:41,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 11:17:41,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2024-11-09 11:17:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 33 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) [2024-11-09 11:17:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-11-09 11:17:41,624 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 10 [2024-11-09 11:17:41,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:41,625 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2024-11-09 11:17:41,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-11-09 11:17:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:17:41,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:41,625 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:41,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:17:41,626 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:41,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash 888669167, now seen corresponding path program 1 times [2024-11-09 11:17:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:41,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642069077] [2024-11-09 11:17:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:41,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:41,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:41,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642069077] [2024-11-09 11:17:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642069077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:41,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:41,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:17:41,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951558687] [2024-11-09 11:17:41,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:41,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:17:41,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:41,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:17:41,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:17:41,703 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:41,726 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2024-11-09 11:17:41,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:17:41,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2024-11-09 11:17:41,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:41,727 INFO L225 Difference]: With dead ends: 36 [2024-11-09 11:17:41,728 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 11:17:41,728 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 [2024-11-09 11:17:41,729 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:41,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:41,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 11:17:41,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-09 11:17:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 34 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-11-09 11:17:41,738 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 11 [2024-11-09 11:17:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:41,739 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2024-11-09 11:17:41,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-11-09 11:17:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:17:41,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:41,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:41,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:17:41,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:41,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:41,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1778940460, now seen corresponding path program 1 times [2024-11-09 11:17:41,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:41,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036364771] [2024-11-09 11:17:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:41,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:41,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:41,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036364771] [2024-11-09 11:17:41,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036364771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:41,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:41,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:17:41,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513310737] [2024-11-09 11:17:41,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:41,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:17:41,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:41,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:17:41,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:17:41,819 INFO L87 Difference]: Start difference. First operand 35 states and 35 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) [2024-11-09 11:17:41,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:41,851 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2024-11-09 11:17:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:17:41,852 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 [2024-11-09 11:17:41,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:41,853 INFO L225 Difference]: With dead ends: 38 [2024-11-09 11:17:41,853 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 11:17:41,853 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 [2024-11-09 11:17:41,854 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:41,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 34 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 11:17:41,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-09 11:17:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.44) internal successors, (36), 35 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-11-09 11:17:41,865 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 12 [2024-11-09 11:17:41,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:41,865 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2024-11-09 11:17:41,865 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) [2024-11-09 11:17:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-11-09 11:17:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:17:41,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:41,866 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:41,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:17:41,866 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:41,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash -687420527, now seen corresponding path program 1 times [2024-11-09 11:17:41,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:41,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27331981] [2024-11-09 11:17:41,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:41,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:41,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:41,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27331981] [2024-11-09 11:17:41,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27331981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:41,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:41,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:17:41,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830027431] [2024-11-09 11:17:41,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:41,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:17:41,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:41,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:17:41,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:17:41,926 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:41,956 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2024-11-09 11:17:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:17:41,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-09 11:17:41,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:41,957 INFO L225 Difference]: With dead ends: 38 [2024-11-09 11:17:41,958 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 11:17:41,958 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 [2024-11-09 11:17:41,959 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:41,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 11:17:41,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 11:17:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 36 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-11-09 11:17:41,963 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 13 [2024-11-09 11:17:41,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:41,964 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2024-11-09 11:17:41,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:41,964 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-11-09 11:17:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:17:41,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:41,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:41,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:17:41,965 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:41,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:41,966 INFO L85 PathProgramCache]: Analyzing trace with hash 164800206, now seen corresponding path program 1 times [2024-11-09 11:17:41,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:41,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65202093] [2024-11-09 11:17:41,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:41,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:42,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:42,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65202093] [2024-11-09 11:17:42,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65202093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:42,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:17:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455775102] [2024-11-09 11:17:42,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:42,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:17:42,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:42,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:17:42,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:17:42,039 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:42,053 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2024-11-09 11:17:42,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:17:42,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 11:17:42,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:42,054 INFO L225 Difference]: With dead ends: 37 [2024-11-09 11:17:42,054 INFO L226 Difference]: Without dead ends: 36 [2024-11-09 11:17:42,055 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 [2024-11-09 11:17:42,056 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:42,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:42,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-09 11:17:42,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-09 11:17:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 35 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-11-09 11:17:42,060 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 14 [2024-11-09 11:17:42,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:42,061 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2024-11-09 11:17:42,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-11-09 11:17:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:17:42,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:42,062 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:42,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:17:42,062 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:42,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:42,063 INFO L85 PathProgramCache]: Analyzing trace with hash 813839155, now seen corresponding path program 1 times [2024-11-09 11:17:42,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:42,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67902829] [2024-11-09 11:17:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:42,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:42,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:42,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67902829] [2024-11-09 11:17:42,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67902829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:42,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:42,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:17:42,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369223144] [2024-11-09 11:17:42,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:42,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:17:42,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:42,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:17:42,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:17:42,134 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:42,153 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2024-11-09 11:17:42,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:17:42,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 11:17:42,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:42,154 INFO L225 Difference]: With dead ends: 39 [2024-11-09 11:17:42,154 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 11:17:42,154 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 [2024-11-09 11:17:42,155 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:42,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 11:17:42,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 11:17:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 37 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2024-11-09 11:17:42,163 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 15 [2024-11-09 11:17:42,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:42,164 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2024-11-09 11:17:42,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2024-11-09 11:17:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:17:42,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:42,164 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:42,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:17:42,165 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:42,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:42,168 INFO L85 PathProgramCache]: Analyzing trace with hash 415381301, now seen corresponding path program 1 times [2024-11-09 11:17:42,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:42,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476529874] [2024-11-09 11:17:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:42,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:17:42,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130871285] [2024-11-09 11:17:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:42,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:42,184 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) [2024-11-09 11:17:42,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:17:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:42,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:17:42,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:42,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:42,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:42,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476529874] [2024-11-09 11:17:42,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:17:42,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130871285] [2024-11-09 11:17:42,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130871285] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:42,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:17:42,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 11:17:42,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564322695] [2024-11-09 11:17:42,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:42,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:17:42,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:42,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:17:42,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:17:42,384 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:42,482 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2024-11-09 11:17:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:17:42,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 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 [2024-11-09 11:17:42,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:42,484 INFO L225 Difference]: With dead ends: 62 [2024-11-09 11:17:42,484 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 11:17:42,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:17:42,486 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 34 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:42,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 50 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:42,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 11:17:42,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 39. [2024-11-09 11:17:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 32 states have (on average 1.21875) internal successors, (39), 38 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2024-11-09 11:17:42,492 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 17 [2024-11-09 11:17:42,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:42,493 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2024-11-09 11:17:42,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2024-11-09 11:17:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 11:17:42,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:42,494 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:42,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:17:42,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 11:17:42,698 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:42,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:42,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1277830149, now seen corresponding path program 1 times [2024-11-09 11:17:42,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:42,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133333927] [2024-11-09 11:17:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:42,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:42,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133333927] [2024-11-09 11:17:42,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133333927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:42,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465315578] [2024-11-09 11:17:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:42,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:42,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:42,807 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) [2024-11-09 11:17:42,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:17:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:42,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:17:42,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:43,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:43,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465315578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:43,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:43,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:17:43,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090590727] [2024-11-09 11:17:43,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:43,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:17:43,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:43,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:17:43,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:17:43,182 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:43,258 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2024-11-09 11:17:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:17:43,259 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 11:17:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:43,260 INFO L225 Difference]: With dead ends: 39 [2024-11-09 11:17:43,260 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 11:17:43,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:17:43,261 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:43,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 49 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:43,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 11:17:43,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 11:17:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.15625) internal successors, (37), 36 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-11-09 11:17:43,268 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 23 [2024-11-09 11:17:43,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:43,268 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2024-11-09 11:17:43,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:43,268 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-11-09 11:17:43,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:17:43,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:43,269 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:43,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:17:43,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:43,474 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:43,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash -958028898, now seen corresponding path program 1 times [2024-11-09 11:17:43,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:43,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980645916] [2024-11-09 11:17:43,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:43,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:43,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:43,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980645916] [2024-11-09 11:17:43,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980645916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:43,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238598211] [2024-11-09 11:17:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:43,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:43,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:43,557 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) [2024-11-09 11:17:43,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:17:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:43,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:17:43,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:43,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:43,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238598211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:43,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:43,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:17:43,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052434886] [2024-11-09 11:17:43,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:43,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:17:43,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:43,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:17:43,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:17:43,820 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:43,900 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2024-11-09 11:17:43,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:17:43,901 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 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 [2024-11-09 11:17:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:43,901 INFO L225 Difference]: With dead ends: 45 [2024-11-09 11:17:43,901 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 11:17:43,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:17:43,902 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 11 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:43,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 60 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:43,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 11:17:43,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-09 11:17:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 37 states have (on average 1.135135135135135) internal successors, (42), 41 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:43,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2024-11-09 11:17:43,910 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 24 [2024-11-09 11:17:43,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:43,913 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2024-11-09 11:17:43,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2024-11-09 11:17:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:17:43,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:43,914 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:17:43,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 11:17:44,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:44,115 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:44,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:44,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1542767744, now seen corresponding path program 1 times [2024-11-09 11:17:44,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:44,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887900489] [2024-11-09 11:17:44,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:44,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:44,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:44,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887900489] [2024-11-09 11:17:44,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887900489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:44,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548210709] [2024-11-09 11:17:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:44,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:44,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:44,192 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) [2024-11-09 11:17:44,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:17:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:44,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:17:44,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:44,342 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:44,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548210709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:44,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:44,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:17:44,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784433430] [2024-11-09 11:17:44,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:44,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:17:44,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:44,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:17:44,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:17:44,403 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:44,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:44,467 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2024-11-09 11:17:44,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:17:44,468 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-09 11:17:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:44,468 INFO L225 Difference]: With dead ends: 60 [2024-11-09 11:17:44,469 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 11:17:44,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:17:44,469 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:44,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 77 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:44,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 11:17:44,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2024-11-09 11:17:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 56 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) [2024-11-09 11:17:44,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2024-11-09 11:17:44,474 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 26 [2024-11-09 11:17:44,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:44,475 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2024-11-09 11:17:44,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2024-11-09 11:17:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:17:44,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:44,475 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:17:44,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:17:44,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:17:44,680 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:44,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:44,680 INFO L85 PathProgramCache]: Analyzing trace with hash -836082846, now seen corresponding path program 1 times [2024-11-09 11:17:44,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:44,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608109919] [2024-11-09 11:17:44,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:44,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:44,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:44,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608109919] [2024-11-09 11:17:44,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608109919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:44,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922248419] [2024-11-09 11:17:44,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:44,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:44,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:44,722 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) [2024-11-09 11:17:44,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:17:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:44,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:17:44,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:44,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:44,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922248419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:44,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:44,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:17:44,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296328799] [2024-11-09 11:17:44,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:44,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:17:44,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:44,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:17:44,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:17:44,866 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:44,902 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2024-11-09 11:17:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:17:44,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-09 11:17:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:44,903 INFO L225 Difference]: With dead ends: 79 [2024-11-09 11:17:44,903 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 11:17:44,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:17:44,904 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:44,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 65 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:44,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 11:17:44,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2024-11-09 11:17:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 71 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2024-11-09 11:17:44,913 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 28 [2024-11-09 11:17:44,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:44,913 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2024-11-09 11:17:44,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2024-11-09 11:17:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:17:44,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:44,914 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:17:44,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:17:45,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:45,115 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:45,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:45,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1228677882, now seen corresponding path program 1 times [2024-11-09 11:17:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:45,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259983097] [2024-11-09 11:17:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:45,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:17:45,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887142892] [2024-11-09 11:17:45,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:45,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:45,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:45,127 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) [2024-11-09 11:17:45,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:17:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:45,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:17:45,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:45,206 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:17:45,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:45,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259983097] [2024-11-09 11:17:45,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:17:45,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887142892] [2024-11-09 11:17:45,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887142892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:17:45,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:17:45,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:17:45,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807394042] [2024-11-09 11:17:45,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:17:45,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:17:45,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:17:45,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:17:45,208 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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) [2024-11-09 11:17:45,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:45,246 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2024-11-09 11:17:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:17:45,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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 [2024-11-09 11:17:45,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:45,247 INFO L225 Difference]: With dead ends: 72 [2024-11-09 11:17:45,247 INFO L226 Difference]: Without dead ends: 71 [2024-11-09 11:17:45,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:17:45,248 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:45,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 24 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:17:45,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-09 11:17:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-09 11:17:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 70 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2024-11-09 11:17:45,253 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 76 transitions. Word has length 31 [2024-11-09 11:17:45,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:45,253 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 76 transitions. [2024-11-09 11:17:45,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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) [2024-11-09 11:17:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2024-11-09 11:17:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:17:45,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:45,254 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:17:45,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:17:45,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:45,455 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:45,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:45,455 INFO L85 PathProgramCache]: Analyzing trace with hash 565691366, now seen corresponding path program 1 times [2024-11-09 11:17:45,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:45,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078369869] [2024-11-09 11:17:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:17:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688004004] [2024-11-09 11:17:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:45,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:45,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:45,466 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) [2024-11-09 11:17:45,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:17:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:45,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:17:45,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:45,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:45,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:45,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078369869] [2024-11-09 11:17:45,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:17:45,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688004004] [2024-11-09 11:17:45,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688004004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:45,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:17:45,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 11:17:45,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109218762] [2024-11-09 11:17:45,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:45,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:17:45,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:45,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:17:45,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:17:45,806 INFO L87 Difference]: Start difference. First operand 71 states and 76 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:45,880 INFO L93 Difference]: Finished difference Result 95 states and 98 transitions. [2024-11-09 11:17:45,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:17:45,881 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-09 11:17:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:45,881 INFO L225 Difference]: With dead ends: 95 [2024-11-09 11:17:45,881 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 11:17:45,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:17:45,882 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 19 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:45,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 61 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:45,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 11:17:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2024-11-09 11:17:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.119047619047619) internal successors, (94), 87 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) [2024-11-09 11:17:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2024-11-09 11:17:45,892 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 32 [2024-11-09 11:17:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:45,892 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2024-11-09 11:17:45,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2024-11-09 11:17:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:17:45,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:45,893 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:17:45,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:17:46,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:17:46,094 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:46,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:46,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1527826353, now seen corresponding path program 2 times [2024-11-09 11:17:46,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:46,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059340090] [2024-11-09 11:17:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:46,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:46,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:46,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059340090] [2024-11-09 11:17:46,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059340090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:46,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084124089] [2024-11-09 11:17:46,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:17:46,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:46,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:46,190 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) [2024-11-09 11:17:46,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:17:46,231 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:17:46,231 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:17:46,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:17:46,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:46,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:46,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084124089] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:46,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:46,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-09 11:17:46,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325585033] [2024-11-09 11:17:46,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:46,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 11:17:46,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:46,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 11:17:46,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:17:46,634 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand has 20 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 20 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:46,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:46,801 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2024-11-09 11:17:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:17:46,802 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 20 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-09 11:17:46,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:46,803 INFO L225 Difference]: With dead ends: 89 [2024-11-09 11:17:46,803 INFO L226 Difference]: Without dead ends: 88 [2024-11-09 11:17:46,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:17:46,804 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 45 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:46,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 103 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:46,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-09 11:17:46,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-09 11:17:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.0952380952380953) internal successors, (92), 87 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) [2024-11-09 11:17:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2024-11-09 11:17:46,817 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 37 [2024-11-09 11:17:46,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:46,817 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2024-11-09 11:17:46,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 20 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2024-11-09 11:17:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:17:46,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:46,818 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1] [2024-11-09 11:17:46,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:17:47,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:17:47,019 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:47,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:47,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1627866336, now seen corresponding path program 2 times [2024-11-09 11:17:47,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:47,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638381224] [2024-11-09 11:17:47,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:47,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:47,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:47,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638381224] [2024-11-09 11:17:47,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638381224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:47,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748997213] [2024-11-09 11:17:47,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:17:47,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:47,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:47,166 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) [2024-11-09 11:17:47,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:17:47,206 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:17:47,206 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:17:47,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:17:47,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:47,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:47,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748997213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:47,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:47,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-09 11:17:47,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593707430] [2024-11-09 11:17:47,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:47,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 11:17:47,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:47,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 11:17:47,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:17:47,593 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand has 23 states, 22 states have (on average 7.0) internal successors, (154), 23 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:47,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:47,795 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2024-11-09 11:17:47,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:17:47,795 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.0) internal successors, (154), 23 states have internal predecessors, (154), 0 states have call successors, (0), 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 [2024-11-09 11:17:47,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:47,797 INFO L225 Difference]: With dead ends: 110 [2024-11-09 11:17:47,797 INFO L226 Difference]: Without dead ends: 109 [2024-11-09 11:17:47,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=584, Unknown=0, NotChecked=0, Total=870 [2024-11-09 11:17:47,798 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:47,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 122 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:47,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-09 11:17:47,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-09 11:17:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 104 states have (on average 1.0961538461538463) internal successors, (114), 107 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2024-11-09 11:17:47,808 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 52 [2024-11-09 11:17:47,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:47,808 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2024-11-09 11:17:47,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.0) internal successors, (154), 23 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2024-11-09 11:17:47,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:17:47,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:47,810 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-09 11:17:47,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:17:48,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:17:48,017 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:48,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:48,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1945351343, now seen corresponding path program 3 times [2024-11-09 11:17:48,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:48,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142345230] [2024-11-09 11:17:48,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:48,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:48,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:48,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142345230] [2024-11-09 11:17:48,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142345230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:48,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350348132] [2024-11-09 11:17:48,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:17:48,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:48,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:48,287 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) [2024-11-09 11:17:48,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:17:48,452 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-09 11:17:48,452 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:17:48,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:17:48,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:48,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:49,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350348132] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:49,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:49,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 37 [2024-11-09 11:17:49,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463144623] [2024-11-09 11:17:49,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:49,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-09 11:17:49,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:49,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-09 11:17:49,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 11:17:49,286 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand has 38 states, 37 states have (on average 5.054054054054054) internal successors, (187), 38 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:49,801 INFO L93 Difference]: Finished difference Result 123 states and 128 transitions. [2024-11-09 11:17:49,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 11:17:49,802 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 5.054054054054054) internal successors, (187), 38 states have internal predecessors, (187), 0 states have call successors, (0), 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 63 [2024-11-09 11:17:49,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:49,803 INFO L225 Difference]: With dead ends: 123 [2024-11-09 11:17:49,803 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 11:17:49,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=766, Invalid=1886, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 11:17:49,804 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 132 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:49,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 227 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:17:49,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 11:17:49,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2024-11-09 11:17:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 115 states have (on average 1.0782608695652174) internal successors, (124), 118 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) [2024-11-09 11:17:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 124 transitions. [2024-11-09 11:17:49,811 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 124 transitions. Word has length 63 [2024-11-09 11:17:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:49,812 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 124 transitions. [2024-11-09 11:17:49,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.054054054054054) internal successors, (187), 38 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2024-11-09 11:17:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 11:17:49,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:49,813 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-11-09 11:17:49,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:17:50,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:17:50,018 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:50,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash 884442099, now seen corresponding path program 2 times [2024-11-09 11:17:50,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952931785] [2024-11-09 11:17:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:50,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:50,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952931785] [2024-11-09 11:17:50,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952931785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:50,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840688908] [2024-11-09 11:17:50,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:17:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:50,198 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) [2024-11-09 11:17:50,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:17:50,243 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:17:50,243 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:17:50,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:17:50,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 72 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:50,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:50,697 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:50,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840688908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:50,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:17:50,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-09 11:17:50,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734927202] [2024-11-09 11:17:50,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:50,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 11:17:50,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:50,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 11:17:50,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:17:50,701 INFO L87 Difference]: Start difference. First operand 119 states and 124 transitions. Second operand has 27 states, 26 states have (on average 7.076923076923077) internal successors, (184), 27 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) [2024-11-09 11:17:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:50,892 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2024-11-09 11:17:50,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:17:50,892 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 7.076923076923077) internal successors, (184), 27 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-09 11:17:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:50,893 INFO L225 Difference]: With dead ends: 119 [2024-11-09 11:17:50,893 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 11:17:50,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=376, Invalid=884, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 11:17:50,894 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 49 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:50,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 230 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:17:50,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 11:17:50,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-09 11:17:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.0434782608695652) internal successors, (120), 117 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:50,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 120 transitions. [2024-11-09 11:17:50,900 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 120 transitions. Word has length 67 [2024-11-09 11:17:50,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:50,900 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 120 transitions. [2024-11-09 11:17:50,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 7.076923076923077) internal successors, (184), 27 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) [2024-11-09 11:17:50,901 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 120 transitions. [2024-11-09 11:17:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 11:17:50,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:50,904 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1] [2024-11-09 11:17:50,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:17:51,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:51,105 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:51,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1916144422, now seen corresponding path program 2 times [2024-11-09 11:17:51,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:51,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68631650] [2024-11-09 11:17:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:51,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:17:51,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103059720] [2024-11-09 11:17:51,125 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:17:51,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:51,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:51,128 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) [2024-11-09 11:17:51,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:17:51,176 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:17:51,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:17:51,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:17:51,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:17:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:51,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:17:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:51,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:51,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68631650] [2024-11-09 11:17:51,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:17:51,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103059720] [2024-11-09 11:17:51,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103059720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:17:51,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:17:51,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 11:17:51,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377486583] [2024-11-09 11:17:51,655 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:17:51,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:17:51,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:17:51,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:17:51,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:17:51,657 INFO L87 Difference]: Start difference. First operand 118 states and 120 transitions. Second operand has 16 states, 15 states have (on average 11.133333333333333) internal successors, (167), 16 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:17:51,917 INFO L93 Difference]: Finished difference Result 203 states and 210 transitions. [2024-11-09 11:17:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:17:51,917 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.133333333333333) internal successors, (167), 16 states have internal predecessors, (167), 0 states have call successors, (0), 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 84 [2024-11-09 11:17:51,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:17:51,919 INFO L225 Difference]: With dead ends: 203 [2024-11-09 11:17:51,919 INFO L226 Difference]: Without dead ends: 202 [2024-11-09 11:17:51,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:17:51,920 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 26 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:17:51,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 327 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:17:51,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-09 11:17:51,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 191. [2024-11-09 11:17:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.074468085106383) internal successors, (202), 190 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 202 transitions. [2024-11-09 11:17:51,929 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 202 transitions. Word has length 84 [2024-11-09 11:17:51,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:17:51,930 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 202 transitions. [2024-11-09 11:17:51,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.133333333333333) internal successors, (167), 16 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:17:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 202 transitions. [2024-11-09 11:17:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:17:51,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:17:51,932 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1] [2024-11-09 11:17:51,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:17:52,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-09 11:17:52,133 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 11:17:52,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:17:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1456136800, now seen corresponding path program 3 times [2024-11-09 11:17:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:17:52,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818971630] [2024-11-09 11:17:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:17:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:17:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:17:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:17:52,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:17:52,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818971630] [2024-11-09 11:17:52,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818971630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:17:52,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670051028] [2024-11-09 11:17:52,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:17:52,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:17:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:17:52,686 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) [2024-11-09 11:17:52,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process