/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 08:24:15,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 08:24:16,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 08:24:16,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 08:24:16,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 08:24:16,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 08:24:16,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 08:24:16,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 08:24:16,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 08:24:16,069 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 08:24:16,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 08:24:16,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 08:24:16,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 08:24:16,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 08:24:16,071 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 08:24:16,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 08:24:16,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 08:24:16,072 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 08:24:16,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 08:24:16,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 08:24:16,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 08:24:16,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 08:24:16,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 08:24:16,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 08:24:16,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 08:24:16,074 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 08:24:16,074 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 08:24:16,074 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 08:24:16,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 08:24:16,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 08:24:16,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 08:24:16,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 08:24:16,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 08:24:16,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 08:24:16,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:24:16,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 08:24:16,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 08:24:16,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 08:24:16,076 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 08:24:16,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 08:24:16,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 08:24:16,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 08:24:16,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 08:24:16,077 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 08:24:16,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 08:24:16,078 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 08:24:16,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 08:24:16,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 08:24:16,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 08:24:16,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 08:24:16,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 08:24:16,297 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 08:24:16,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2023-12-16 08:24:17,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 08:24:17,619 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 08:24:17,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2023-12-16 08:24:17,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62345f7c4/7253bacdd25d4266879294ddcace200f/FLAG33a426be0 [2023-12-16 08:24:17,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62345f7c4/7253bacdd25d4266879294ddcace200f [2023-12-16 08:24:17,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 08:24:17,652 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 08:24:17,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 08:24:17,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 08:24:17,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 08:24:17,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:24:17" (1/1) ... [2023-12-16 08:24:17,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56798874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:17, skipping insertion in model container [2023-12-16 08:24:17,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:24:17" (1/1) ... [2023-12-16 08:24:17,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 08:24:17,973 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label25.c[20652,20665] [2023-12-16 08:24:17,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:24:18,006 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 08:24:18,055 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label25.c[20652,20665] [2023-12-16 08:24:18,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:24:18,070 INFO L206 MainTranslator]: Completed translation [2023-12-16 08:24:18,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18 WrapperNode [2023-12-16 08:24:18,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 08:24:18,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 08:24:18,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 08:24:18,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 08:24:18,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,139 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 667 [2023-12-16 08:24:18,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 08:24:18,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 08:24:18,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 08:24:18,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 08:24:18,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,183 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 08:24:18,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 08:24:18,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 08:24:18,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 08:24:18,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 08:24:18,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (1/1) ... [2023-12-16 08:24:18,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:24:18,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 08:24:18,322 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) [2023-12-16 08:24:18,373 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 [2023-12-16 08:24:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 08:24:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 08:24:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 08:24:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 08:24:18,450 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 08:24:18,452 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 08:24:19,205 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 08:24:19,295 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 08:24:19,295 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 08:24:19,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:24:19 BoogieIcfgContainer [2023-12-16 08:24:19,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 08:24:19,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 08:24:19,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 08:24:19,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 08:24:19,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:24:17" (1/3) ... [2023-12-16 08:24:19,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b53075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:24:19, skipping insertion in model container [2023-12-16 08:24:19,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:24:18" (2/3) ... [2023-12-16 08:24:19,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b53075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:24:19, skipping insertion in model container [2023-12-16 08:24:19,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:24:19" (3/3) ... [2023-12-16 08:24:19,302 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label25.c [2023-12-16 08:24:19,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 08:24:19,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 08:24:19,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 08:24:19,361 INFO L357 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, mHoare=true, 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;@6a18b73a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 08:24:19,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 08:24:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-16 08:24:19,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:19,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:19,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:19,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:19,383 INFO L85 PathProgramCache]: Analyzing trace with hash -964858158, now seen corresponding path program 1 times [2023-12-16 08:24:19,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:19,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667478799] [2023-12-16 08:24:19,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:19,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:19,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:19,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:19,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 08:24:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:19,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 08:24:19,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:24:19,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:19,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:19,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667478799] [2023-12-16 08:24:19,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667478799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:19,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:19,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 08:24:19,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808415617] [2023-12-16 08:24:19,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:19,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 08:24:19,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 08:24:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 08:24:19,567 INFO L87 Difference]: Start difference. First operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 66.5) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:19,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:19,592 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-16 08:24:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 08:24:19,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 66.5) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-12-16 08:24:19,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:19,600 INFO L225 Difference]: With dead ends: 329 [2023-12-16 08:24:19,600 INFO L226 Difference]: Without dead ends: 163 [2023-12-16 08:24:19,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 08:24:19,604 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:19,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:24:19,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-16 08:24:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-16 08:24:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.5308641975308641) internal successors, (248), 162 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-16 08:24:19,632 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 133 [2023-12-16 08:24:19,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:19,633 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-16 08:24:19,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.5) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-16 08:24:19,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-16 08:24:19,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:19,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:19,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 08:24:19,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:19,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:19,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:19,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1732739499, now seen corresponding path program 1 times [2023-12-16 08:24:19,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:19,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828937955] [2023-12-16 08:24:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:19,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:19,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:19,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:19,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 08:24:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:19,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 08:24:19,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:24:22,660 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:22,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:22,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828937955] [2023-12-16 08:24:22,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828937955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:22,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:22,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 08:24:22,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161684503] [2023-12-16 08:24:22,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:22,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 08:24:22,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:22,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 08:24:22,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-16 08:24:22,662 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:23,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:23,732 INFO L93 Difference]: Finished difference Result 667 states and 1040 transitions. [2023-12-16 08:24:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 08:24:23,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2023-12-16 08:24:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:23,737 INFO L225 Difference]: With dead ends: 667 [2023-12-16 08:24:23,737 INFO L226 Difference]: Without dead ends: 505 [2023-12-16 08:24:23,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2023-12-16 08:24:23,738 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 399 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:23,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 156 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 08:24:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-12-16 08:24:23,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 504. [2023-12-16 08:24:23,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.2504970178926442) internal successors, (629), 503 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 629 transitions. [2023-12-16 08:24:23,758 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 629 transitions. Word has length 133 [2023-12-16 08:24:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:23,758 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 629 transitions. [2023-12-16 08:24:23,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 629 transitions. [2023-12-16 08:24:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-16 08:24:23,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:23,761 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:23,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-16 08:24:23,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:23,963 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:23,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:23,965 INFO L85 PathProgramCache]: Analyzing trace with hash 852870064, now seen corresponding path program 1 times [2023-12-16 08:24:23,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:23,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920211137] [2023-12-16 08:24:23,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:23,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:23,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:23,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 08:24:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:24,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 08:24:24,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:24:26,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:26,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:26,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920211137] [2023-12-16 08:24:26,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920211137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:26,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:26,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 08:24:26,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006118759] [2023-12-16 08:24:26,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:26,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:24:26,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:26,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:24:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:24:26,571 INFO L87 Difference]: Start difference. First operand 504 states and 629 transitions. Second operand has 10 states, 10 states have (on average 13.8) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:27,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:27,995 INFO L93 Difference]: Finished difference Result 1789 states and 2382 transitions. [2023-12-16 08:24:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 08:24:27,995 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2023-12-16 08:24:27,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:27,999 INFO L225 Difference]: With dead ends: 1789 [2023-12-16 08:24:27,999 INFO L226 Difference]: Without dead ends: 1286 [2023-12-16 08:24:28,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2023-12-16 08:24:28,001 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 629 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:28,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 96 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 08:24:28,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2023-12-16 08:24:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 999. [2023-12-16 08:24:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.3266533066132264) internal successors, (1324), 998 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1324 transitions. [2023-12-16 08:24:28,039 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1324 transitions. Word has length 138 [2023-12-16 08:24:28,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:28,040 INFO L495 AbstractCegarLoop]: Abstraction has 999 states and 1324 transitions. [2023-12-16 08:24:28,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1324 transitions. [2023-12-16 08:24:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-16 08:24:28,053 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:28,053 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:28,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-16 08:24:28,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:28,255 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:28,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1269282710, now seen corresponding path program 1 times [2023-12-16 08:24:28,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:28,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664541613] [2023-12-16 08:24:28,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:28,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:28,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:28,258 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:28,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 08:24:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:28,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 08:24:28,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 08:24:28,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:28,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:28,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664541613] [2023-12-16 08:24:28,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664541613] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:28,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:28,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:24:28,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428798345] [2023-12-16 08:24:28,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:28,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 08:24:28,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:28,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 08:24:28,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:24:28,335 INFO L87 Difference]: Start difference. First operand 999 states and 1324 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:29,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:29,105 INFO L93 Difference]: Finished difference Result 3064 states and 4106 transitions. [2023-12-16 08:24:29,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 08:24:29,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2023-12-16 08:24:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:29,112 INFO L225 Difference]: With dead ends: 3064 [2023-12-16 08:24:29,112 INFO L226 Difference]: Without dead ends: 2066 [2023-12-16 08:24:29,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:24:29,115 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 306 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:29,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 171 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 08:24:29,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2023-12-16 08:24:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2054. [2023-12-16 08:24:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 2053 states have (on average 1.2386751095957136) internal successors, (2543), 2053 states have internal predecessors, (2543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2543 transitions. [2023-12-16 08:24:29,143 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2543 transitions. Word has length 147 [2023-12-16 08:24:29,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:29,143 INFO L495 AbstractCegarLoop]: Abstraction has 2054 states and 2543 transitions. [2023-12-16 08:24:29,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2543 transitions. [2023-12-16 08:24:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-16 08:24:29,147 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:29,147 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:29,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-16 08:24:29,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:29,351 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:29,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:29,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1822222284, now seen corresponding path program 1 times [2023-12-16 08:24:29,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:29,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31609533] [2023-12-16 08:24:29,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:29,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:29,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:29,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:29,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 08:24:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:29,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:24:29,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:29,453 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 08:24:29,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:29,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:29,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31609533] [2023-12-16 08:24:29,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31609533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:29,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:29,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:24:29,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472824250] [2023-12-16 08:24:29,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:29,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:24:29,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:29,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:24:29,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:29,455 INFO L87 Difference]: Start difference. First operand 2054 states and 2543 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:29,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:29,913 INFO L93 Difference]: Finished difference Result 4813 states and 6034 transitions. [2023-12-16 08:24:29,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:24:29,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 151 [2023-12-16 08:24:29,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:29,920 INFO L225 Difference]: With dead ends: 4813 [2023-12-16 08:24:29,920 INFO L226 Difference]: Without dead ends: 2760 [2023-12-16 08:24:29,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:29,924 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:29,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 263 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 08:24:29,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2023-12-16 08:24:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2614. [2023-12-16 08:24:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2614 states, 2613 states have (on average 1.2066590126291619) internal successors, (3153), 2613 states have internal predecessors, (3153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 3153 transitions. [2023-12-16 08:24:29,956 INFO L78 Accepts]: Start accepts. Automaton has 2614 states and 3153 transitions. Word has length 151 [2023-12-16 08:24:29,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:29,956 INFO L495 AbstractCegarLoop]: Abstraction has 2614 states and 3153 transitions. [2023-12-16 08:24:29,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 3153 transitions. [2023-12-16 08:24:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 08:24:29,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:29,965 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:29,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-16 08:24:30,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:30,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:30,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:30,169 INFO L85 PathProgramCache]: Analyzing trace with hash -321882090, now seen corresponding path program 1 times [2023-12-16 08:24:30,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:30,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752557314] [2023-12-16 08:24:30,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:30,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:30,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:30,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:30,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 08:24:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:30,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:24:30,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-16 08:24:30,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:30,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:30,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752557314] [2023-12-16 08:24:30,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752557314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:30,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:30,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 08:24:30,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426969571] [2023-12-16 08:24:30,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:30,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:24:30,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:30,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:24:30,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:30,249 INFO L87 Difference]: Start difference. First operand 2614 states and 3153 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:30,628 INFO L93 Difference]: Finished difference Result 5786 states and 6924 transitions. [2023-12-16 08:24:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:24:30,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 155 [2023-12-16 08:24:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:30,634 INFO L225 Difference]: With dead ends: 5786 [2023-12-16 08:24:30,635 INFO L226 Difference]: Without dead ends: 2611 [2023-12-16 08:24:30,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:30,638 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 190 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:30,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 77 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 08:24:30,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2023-12-16 08:24:30,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2023-12-16 08:24:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2610 states have (on average 1.1406130268199233) internal successors, (2977), 2610 states have internal predecessors, (2977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 2977 transitions. [2023-12-16 08:24:30,663 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 2977 transitions. Word has length 155 [2023-12-16 08:24:30,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:30,663 INFO L495 AbstractCegarLoop]: Abstraction has 2611 states and 2977 transitions. [2023-12-16 08:24:30,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 2977 transitions. [2023-12-16 08:24:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 08:24:30,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:30,666 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:30,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-16 08:24:30,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:30,869 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:30,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:30,870 INFO L85 PathProgramCache]: Analyzing trace with hash -993930014, now seen corresponding path program 1 times [2023-12-16 08:24:30,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:30,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363329799] [2023-12-16 08:24:30,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:30,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:30,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:30,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:30,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-16 08:24:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:30,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:24:30,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 08:24:31,132 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:31,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:31,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363329799] [2023-12-16 08:24:31,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363329799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:31,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:31,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:24:31,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311176768] [2023-12-16 08:24:31,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:31,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:24:31,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:31,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:24:31,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:31,133 INFO L87 Difference]: Start difference. First operand 2611 states and 2977 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:31,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:31,544 INFO L93 Difference]: Finished difference Result 6273 states and 7236 transitions. [2023-12-16 08:24:31,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:24:31,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2023-12-16 08:24:31,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:31,554 INFO L225 Difference]: With dead ends: 6273 [2023-12-16 08:24:31,554 INFO L226 Difference]: Without dead ends: 3663 [2023-12-16 08:24:31,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:31,558 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 30 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:31,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 204 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 08:24:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3663 states. [2023-12-16 08:24:31,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3663 to 3652. [2023-12-16 08:24:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3651 states have (on average 1.1454396055875102) internal successors, (4182), 3651 states have internal predecessors, (4182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 4182 transitions. [2023-12-16 08:24:31,609 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 4182 transitions. Word has length 172 [2023-12-16 08:24:31,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:31,609 INFO L495 AbstractCegarLoop]: Abstraction has 3652 states and 4182 transitions. [2023-12-16 08:24:31,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4182 transitions. [2023-12-16 08:24:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-16 08:24:31,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:31,614 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:31,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-16 08:24:31,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:31,817 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:31,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:31,817 INFO L85 PathProgramCache]: Analyzing trace with hash 759377172, now seen corresponding path program 1 times [2023-12-16 08:24:31,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:31,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254182158] [2023-12-16 08:24:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:31,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:31,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:31,833 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:31,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-16 08:24:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:31,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 08:24:31,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:24:32,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 08:24:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:24:32,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:32,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254182158] [2023-12-16 08:24:32,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254182158] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 08:24:32,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 08:24:32,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 08:24:32,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350450175] [2023-12-16 08:24:32,277 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 08:24:32,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 08:24:32,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:32,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 08:24:32,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 08:24:32,279 INFO L87 Difference]: Start difference. First operand 3652 states and 4182 transitions. Second operand has 8 states, 8 states have (on average 26.625) internal successors, (213), 7 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:34,260 INFO L93 Difference]: Finished difference Result 10260 states and 11823 transitions. [2023-12-16 08:24:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 08:24:34,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 7 states have internal predecessors, (213), 0 states have call successors, (0), 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 186 [2023-12-16 08:24:34,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:34,272 INFO L225 Difference]: With dead ends: 10260 [2023-12-16 08:24:34,272 INFO L226 Difference]: Without dead ends: 5199 [2023-12-16 08:24:34,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2023-12-16 08:24:34,277 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1209 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:34,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 165 Invalid, 2566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 08:24:34,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2023-12-16 08:24:34,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 4339. [2023-12-16 08:24:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4339 states, 4338 states have (on average 1.1191793453204242) internal successors, (4855), 4338 states have internal predecessors, (4855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4339 states to 4339 states and 4855 transitions. [2023-12-16 08:24:34,329 INFO L78 Accepts]: Start accepts. Automaton has 4339 states and 4855 transitions. Word has length 186 [2023-12-16 08:24:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:34,329 INFO L495 AbstractCegarLoop]: Abstraction has 4339 states and 4855 transitions. [2023-12-16 08:24:34,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 7 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4339 states and 4855 transitions. [2023-12-16 08:24:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-16 08:24:34,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:24:34,335 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:34,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-16 08:24:34,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:34,537 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:24:34,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:24:34,538 INFO L85 PathProgramCache]: Analyzing trace with hash 503074593, now seen corresponding path program 1 times [2023-12-16 08:24:34,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:24:34,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336191913] [2023-12-16 08:24:34,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:24:34,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:24:34,540 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:24:34,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-16 08:24:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:24:34,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:24:34,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:24:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-16 08:24:34,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:24:34,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:24:34,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336191913] [2023-12-16 08:24:34,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336191913] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:24:34,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:24:34,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:24:34,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189340726] [2023-12-16 08:24:34,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:24:34,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:24:34,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:24:34,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:24:34,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:34,659 INFO L87 Difference]: Start difference. First operand 4339 states and 4855 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:34,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:24:34,997 INFO L93 Difference]: Finished difference Result 7259 states and 8172 transitions. [2023-12-16 08:24:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:24:34,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 208 [2023-12-16 08:24:34,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:24:34,998 INFO L225 Difference]: With dead ends: 7259 [2023-12-16 08:24:34,998 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 08:24:35,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:24:35,001 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 110 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 08:24:35,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 231 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 08:24:35,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 08:24:35,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 08:24:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 08:24:35,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2023-12-16 08:24:35,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:24:35,002 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 08:24:35,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:24:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 08:24:35,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 08:24:35,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 08:24:35,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-16 08:24:35,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:24:35,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 08:24:35,520 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-16 08:24:35,521 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-16 08:24:35,522 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,523 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 584) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,524 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-16 08:24:35,525 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,526 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,526 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-16 08:24:35,526 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-16 08:24:35,526 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-16 08:24:35,526 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-16 08:24:35,541 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-16 08:24:35,541 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-16 08:24:35,542 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-16 08:24:35,542 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,542 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,542 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-16 08:24:35,542 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-16 08:24:35,542 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-16 08:24:35,542 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (= (_ bv8 32) ~a17~0))) (let ((.cse0 (= (_ bv0 32) ~a11~0)) (.cse1 (= (_ bv10 32) ~a28~0)) (.cse4 (= (_ bv1 32) ~a19~0)) (.cse3 (not .cse2))) (or (= (_ bv1 32) ~a11~0) (and .cse0 (not .cse1)) (and .cse0 .cse2) (and .cse1 (= (_ bv0 32) ~a25~0) .cse3) (and .cse4 (not (= (_ bv1 32) ~a21~0))) (and (= (_ bv11 32) ~a28~0) (not (= (_ bv1 32) ~a25~0)) .cse3) (and (not .cse4) .cse3)))) [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-16 08:24:35,543 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-16 08:24:35,544 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-16 08:24:35,545 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-16 08:24:35,547 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:24:35,548 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 08:24:35,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:24:35 BoogieIcfgContainer [2023-12-16 08:24:35,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 08:24:35,558 INFO L158 Benchmark]: Toolchain (without parser) took 17905.62ms. Allocated memory was 273.7MB in the beginning and 740.3MB in the end (delta: 466.6MB). Free memory was 221.9MB in the beginning and 701.2MB in the end (delta: -479.4MB). Peak memory consumption was 427.5MB. Max. memory is 8.0GB. [2023-12-16 08:24:35,558 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 08:24:35,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.66ms. Allocated memory is still 273.7MB. Free memory was 221.1MB in the beginning and 192.5MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-16 08:24:35,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.50ms. Allocated memory is still 273.7MB. Free memory was 192.5MB in the beginning and 186.9MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 08:24:35,559 INFO L158 Benchmark]: Boogie Preprocessor took 120.67ms. Allocated memory is still 273.7MB. Free memory was 186.9MB in the beginning and 239.6MB in the end (delta: -52.7MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2023-12-16 08:24:35,559 INFO L158 Benchmark]: RCFGBuilder took 1023.83ms. Allocated memory is still 273.7MB. Free memory was 239.6MB in the beginning and 230.3MB in the end (delta: 9.3MB). Peak memory consumption was 117.4MB. Max. memory is 8.0GB. [2023-12-16 08:24:35,559 INFO L158 Benchmark]: TraceAbstraction took 16259.91ms. Allocated memory was 273.7MB in the beginning and 740.3MB in the end (delta: 466.6MB). Free memory was 229.2MB in the beginning and 701.2MB in the end (delta: -472.0MB). Peak memory consumption was 434.0MB. Max. memory is 8.0GB. [2023-12-16 08:24:35,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.66ms. Allocated memory is still 273.7MB. Free memory was 221.1MB in the beginning and 192.5MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.50ms. Allocated memory is still 273.7MB. Free memory was 192.5MB in the beginning and 186.9MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 120.67ms. Allocated memory is still 273.7MB. Free memory was 186.9MB in the beginning and 239.6MB in the end (delta: -52.7MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1023.83ms. Allocated memory is still 273.7MB. Free memory was 239.6MB in the beginning and 230.3MB in the end (delta: 9.3MB). Peak memory consumption was 117.4MB. Max. memory is 8.0GB. * TraceAbstraction took 16259.91ms. Allocated memory was 273.7MB in the beginning and 740.3MB in the end (delta: 466.6MB). Free memory was 229.2MB in the beginning and 701.2MB in the end (delta: -472.0MB). Peak memory consumption was 434.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 584]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3017 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3017 mSDsluCounter, 1611 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 1164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7069 IncrementalHoareTripleChecker+Invalid, 8233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1164 mSolverCounterUnsat, 1303 mSDtfsCounter, 7069 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1611 GetRequests, 1572 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4339occurred in iteration=8, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1317 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 38 NumberOfFragments, 59 HoareAnnotationTreeSize, 1 FormulaSimplifications, 888 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FormulaSimplificationsInter, 1009 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1423 NumberOfCodeBlocks, 1423 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1599 ConstructedInterpolants, 0 QuantifiedInterpolants, 10596 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1952 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 375/427 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((1 == a11) || ((0 == a11) && !((10 == a28)))) || ((0 == a11) && (8 == a17))) || (((10 == a28) && (0 == a25)) && !((8 == a17)))) || ((1 == a19) && !((1 == a21)))) || (((11 == a28) && !((1 == a25))) && !((8 == a17)))) || (!((1 == a19)) && !((8 == a17)))) RESULT: Ultimate proved your program to be correct! [2023-12-16 08:24:35,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...