/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 03:31:59,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 03:31:59,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 03:31:59,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 03:31:59,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 03:31:59,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 03:31:59,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 03:31:59,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 03:31:59,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 03:31:59,165 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 03:31:59,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 03:31:59,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 03:31:59,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 03:31:59,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 03:31:59,167 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 03:31:59,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 03:31:59,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 03:31:59,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 03:31:59,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 03:31:59,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 03:31:59,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 03:31:59,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 03:31:59,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 03:31:59,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 03:31:59,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 03:31:59,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 03:31:59,171 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 03:31:59,171 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 03:31:59,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 03:31:59,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 03:31:59,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 03:31:59,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 03:31:59,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 03:31:59,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 03:31:59,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:31:59,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 03:31:59,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 03:31:59,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 03:31:59,174 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 03:31:59,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 03:31:59,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 03:31:59,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 03:31:59,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 03:31:59,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 03:31:59,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 03:31:59,176 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 03:31:59,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 03:31:59,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 03:31:59,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 03:31:59,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 03:31:59,438 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 03:31:59,439 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 03:31:59,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2023-12-22 03:32:00,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 03:32:00,881 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 03:32:00,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2023-12-22 03:32:00,894 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4cacec5/0fc01e19d3cf481fa85759b2cc7d82d4/FLAGfaf534ab9 [2023-12-22 03:32:00,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4cacec5/0fc01e19d3cf481fa85759b2cc7d82d4 [2023-12-22 03:32:00,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 03:32:00,910 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 03:32:00,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 03:32:00,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 03:32:00,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 03:32:00,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:32:00" (1/1) ... [2023-12-22 03:32:00,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6160ef3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:00, skipping insertion in model container [2023-12-22 03:32:00,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:32:00" (1/1) ... [2023-12-22 03:32:00,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 03:32:01,256 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_label12.c[18829,18842] [2023-12-22 03:32:01,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:32:01,295 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 03:32:01,368 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_label12.c[18829,18842] [2023-12-22 03:32:01,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:32:01,420 INFO L206 MainTranslator]: Completed translation [2023-12-22 03:32:01,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01 WrapperNode [2023-12-22 03:32:01,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 03:32:01,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 03:32:01,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 03:32:01,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 03:32:01,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,491 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 667 [2023-12-22 03:32:01,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 03:32:01,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 03:32:01,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 03:32:01,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 03:32:01,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,551 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]. [2023-12-22 03:32:01,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 03:32:01,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 03:32:01,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 03:32:01,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 03:32:01,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (1/1) ... [2023-12-22 03:32:01,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:32:01,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 03:32:01,658 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) [2023-12-22 03:32:01,687 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 [2023-12-22 03:32:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 03:32:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 03:32:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 03:32:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 03:32:01,783 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 03:32:01,785 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 03:32:02,794 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 03:32:02,862 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 03:32:02,863 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 03:32:02,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:32:02 BoogieIcfgContainer [2023-12-22 03:32:02,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 03:32:02,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 03:32:02,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 03:32:02,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 03:32:02,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:32:00" (1/3) ... [2023-12-22 03:32:02,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d28e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:32:02, skipping insertion in model container [2023-12-22 03:32:02,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:01" (2/3) ... [2023-12-22 03:32:02,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d28e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:32:02, skipping insertion in model container [2023-12-22 03:32:02,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:32:02" (3/3) ... [2023-12-22 03:32:02,872 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label12.c [2023-12-22 03:32:02,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 03:32:02,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 03:32:02,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 03:32:02,948 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;@24acb7a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 03:32:02,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 03:32:02,952 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) [2023-12-22 03:32:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-22 03:32:02,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:02,962 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] [2023-12-22 03:32:02,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:02,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:02,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1739675028, now seen corresponding path program 1 times [2023-12-22 03:32:02,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:02,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213112605] [2023-12-22 03:32:02,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:02,983 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 [2023-12-22 03:32:02,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:02,988 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) [2023-12-22 03:32:02,996 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 [2023-12-22 03:32:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:03,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 03:32:03,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:32:03,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:03,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:03,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213112605] [2023-12-22 03:32:03,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213112605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:03,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:03,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:32:03,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112567513] [2023-12-22 03:32:03,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:03,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 03:32:03,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:03,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 03:32:03,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 03:32:03,211 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 58.5) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:03,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:03,248 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-22 03:32:03,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 03:32:03,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-22 03:32:03,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:03,263 INFO L225 Difference]: With dead ends: 329 [2023-12-22 03:32:03,263 INFO L226 Difference]: Without dead ends: 163 [2023-12-22 03:32:03,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 03:32:03,272 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 [2023-12-22 03:32:03,273 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] [2023-12-22 03:32:03,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-22 03:32:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-22 03:32:03,321 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) [2023-12-22 03:32:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-22 03:32:03,375 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 117 [2023-12-22 03:32:03,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:03,375 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-22 03:32:03,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-22 03:32:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-22 03:32:03,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:03,378 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] [2023-12-22 03:32:03,388 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:03,582 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 [2023-12-22 03:32:03,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:03,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:03,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1642516074, now seen corresponding path program 1 times [2023-12-22 03:32:03,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:03,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503496491] [2023-12-22 03:32:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:03,586 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 [2023-12-22 03:32:03,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:03,587 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) [2023-12-22 03:32:03,624 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 [2023-12-22 03:32:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:03,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-22 03:32:03,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:32:06,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:06,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:06,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503496491] [2023-12-22 03:32:06,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503496491] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:06,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:06,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-22 03:32:06,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775048912] [2023-12-22 03:32:06,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:06,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:32:06,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:06,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:32:06,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:32:06,918 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:07,899 INFO L93 Difference]: Finished difference Result 518 states and 814 transitions. [2023-12-22 03:32:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-22 03:32:07,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-22 03:32:07,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:07,902 INFO L225 Difference]: With dead ends: 518 [2023-12-22 03:32:07,902 INFO L226 Difference]: Without dead ends: 216 [2023-12-22 03:32:07,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2023-12-22 03:32:07,904 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 411 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:07,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 167 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-22 03:32:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-12-22 03:32:07,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2023-12-22 03:32:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.4186046511627908) internal successors, (305), 215 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:07,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 305 transitions. [2023-12-22 03:32:07,915 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 305 transitions. Word has length 117 [2023-12-22 03:32:07,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:07,916 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 305 transitions. [2023-12-22 03:32:07,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 305 transitions. [2023-12-22 03:32:07,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-22 03:32:07,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:07,918 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] [2023-12-22 03:32:07,925 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:08,120 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 [2023-12-22 03:32:08,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:08,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:08,122 INFO L85 PathProgramCache]: Analyzing trace with hash -501153137, now seen corresponding path program 1 times [2023-12-22 03:32:08,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135216176] [2023-12-22 03:32:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:08,123 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 [2023-12-22 03:32:08,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:08,124 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) [2023-12-22 03:32:08,130 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 [2023-12-22 03:32:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:08,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-22 03:32:08,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:32:09,714 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:09,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:09,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135216176] [2023-12-22 03:32:09,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135216176] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:09,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:09,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-22 03:32:09,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792320201] [2023-12-22 03:32:09,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:09,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:32:09,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:09,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:32:09,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:32:09,717 INFO L87 Difference]: Start difference. First operand 216 states and 305 transitions. Second operand has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:10,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:10,774 INFO L93 Difference]: Finished difference Result 651 states and 970 transitions. [2023-12-22 03:32:10,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-22 03:32:10,776 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2023-12-22 03:32:10,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:10,778 INFO L225 Difference]: With dead ends: 651 [2023-12-22 03:32:10,778 INFO L226 Difference]: Without dead ends: 370 [2023-12-22 03:32:10,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:32:10,780 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 200 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:10,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 118 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-22 03:32:10,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-12-22 03:32:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2023-12-22 03:32:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 369 states have (on average 1.3766937669376693) internal successors, (508), 369 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 508 transitions. [2023-12-22 03:32:10,796 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 508 transitions. Word has length 122 [2023-12-22 03:32:10,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:10,796 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 508 transitions. [2023-12-22 03:32:10,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 508 transitions. [2023-12-22 03:32:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-22 03:32:10,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:10,800 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:10,802 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:11,002 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 [2023-12-22 03:32:11,003 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:11,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:11,004 INFO L85 PathProgramCache]: Analyzing trace with hash -572753616, now seen corresponding path program 1 times [2023-12-22 03:32:11,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:11,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188983406] [2023-12-22 03:32:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:11,005 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 [2023-12-22 03:32:11,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:11,006 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) [2023-12-22 03:32:11,024 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 [2023-12-22 03:32:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:11,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:32:11,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:32:11,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:11,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:11,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188983406] [2023-12-22 03:32:11,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188983406] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:11,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:11,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:32:11,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201594879] [2023-12-22 03:32:11,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:11,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:32:11,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:11,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:32:11,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:11,098 INFO L87 Difference]: Start difference. First operand 370 states and 508 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:11,614 INFO L93 Difference]: Finished difference Result 1024 states and 1426 transitions. [2023-12-22 03:32:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:32:11,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2023-12-22 03:32:11,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:11,617 INFO L225 Difference]: With dead ends: 1024 [2023-12-22 03:32:11,618 INFO L226 Difference]: Without dead ends: 655 [2023-12-22 03:32:11,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:11,620 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:11,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 168 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-22 03:32:11,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2023-12-22 03:32:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 651. [2023-12-22 03:32:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 650 states have (on average 1.256923076923077) internal successors, (817), 650 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 817 transitions. [2023-12-22 03:32:11,648 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 817 transitions. Word has length 130 [2023-12-22 03:32:11,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:11,648 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 817 transitions. [2023-12-22 03:32:11,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 817 transitions. [2023-12-22 03:32:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-22 03:32:11,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:11,661 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:11,667 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:11,864 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 [2023-12-22 03:32:11,864 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:11,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:11,865 INFO L85 PathProgramCache]: Analyzing trace with hash -70682298, now seen corresponding path program 1 times [2023-12-22 03:32:11,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:11,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576093637] [2023-12-22 03:32:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:11,866 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 [2023-12-22 03:32:11,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:11,869 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) [2023-12-22 03:32:11,876 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 (6)] Waiting until timeout for monitored process [2023-12-22 03:32:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:11,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:32:11,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-22 03:32:12,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:12,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:12,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576093637] [2023-12-22 03:32:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576093637] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:12,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-22 03:32:12,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969122126] [2023-12-22 03:32:12,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:12,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 03:32:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:12,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 03:32:12,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:32:12,785 INFO L87 Difference]: Start difference. First operand 651 states and 817 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:13,705 INFO L93 Difference]: Finished difference Result 2085 states and 2718 transitions. [2023-12-22 03:32:13,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-22 03:32:13,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2023-12-22 03:32:13,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:13,710 INFO L225 Difference]: With dead ends: 2085 [2023-12-22 03:32:13,711 INFO L226 Difference]: Without dead ends: 1210 [2023-12-22 03:32:13,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-22 03:32:13,713 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 242 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:13,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 64 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-22 03:32:13,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2023-12-22 03:32:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 789. [2023-12-22 03:32:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.2982233502538072) internal successors, (1023), 788 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1023 transitions. [2023-12-22 03:32:13,730 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1023 transitions. Word has length 144 [2023-12-22 03:32:13,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:13,730 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1023 transitions. [2023-12-22 03:32:13,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1023 transitions. [2023-12-22 03:32:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-22 03:32:13,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:13,734 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 03:32:13,743 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:13,937 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 [2023-12-22 03:32:13,937 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:13,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:13,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1364287688, now seen corresponding path program 1 times [2023-12-22 03:32:13,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:13,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485507468] [2023-12-22 03:32:13,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:13,939 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 [2023-12-22 03:32:13,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:13,940 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) [2023-12-22 03:32:13,947 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 [2023-12-22 03:32:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:14,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:32:14,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:32:14,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:14,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:14,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485507468] [2023-12-22 03:32:14,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485507468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:14,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:14,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:32:14,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037352321] [2023-12-22 03:32:14,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:14,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:32:14,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:14,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:32:14,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:14,042 INFO L87 Difference]: Start difference. First operand 789 states and 1023 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:14,485 INFO L93 Difference]: Finished difference Result 2291 states and 2987 transitions. [2023-12-22 03:32:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:32:14,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2023-12-22 03:32:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:14,491 INFO L225 Difference]: With dead ends: 2291 [2023-12-22 03:32:14,491 INFO L226 Difference]: Without dead ends: 1503 [2023-12-22 03:32:14,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:14,493 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 137 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:14,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 155 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:32:14,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2023-12-22 03:32:14,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1355. [2023-12-22 03:32:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1354 states have (on average 1.2422451994091581) internal successors, (1682), 1354 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1682 transitions. [2023-12-22 03:32:14,536 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1682 transitions. Word has length 157 [2023-12-22 03:32:14,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:14,537 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1682 transitions. [2023-12-22 03:32:14,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1682 transitions. [2023-12-22 03:32:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-12-22 03:32:14,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:14,540 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 03:32:14,545 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:14,742 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 [2023-12-22 03:32:14,743 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:14,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:14,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1866594364, now seen corresponding path program 1 times [2023-12-22 03:32:14,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:14,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094307946] [2023-12-22 03:32:14,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:14,745 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 [2023-12-22 03:32:14,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:14,746 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) [2023-12-22 03:32:14,746 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 [2023-12-22 03:32:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:14,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:32:14,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-22 03:32:14,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:14,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:14,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094307946] [2023-12-22 03:32:14,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094307946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:14,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:14,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:32:14,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996446291] [2023-12-22 03:32:14,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:14,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:32:14,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:14,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:32:14,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:14,893 INFO L87 Difference]: Start difference. First operand 1355 states and 1682 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:15,350 INFO L93 Difference]: Finished difference Result 3408 states and 4271 transitions. [2023-12-22 03:32:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:32:15,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 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 192 [2023-12-22 03:32:15,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:15,351 INFO L225 Difference]: With dead ends: 3408 [2023-12-22 03:32:15,351 INFO L226 Difference]: Without dead ends: 0 [2023-12-22 03:32:15,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:15,355 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 132 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:15,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 71 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:32:15,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-22 03:32:15,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-22 03:32:15,356 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) [2023-12-22 03:32:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-22 03:32:15,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2023-12-22 03:32:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:15,357 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-22 03:32:15,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-22 03:32:15,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-22 03:32:15,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 03:32:15,372 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:15,572 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 [2023-12-22 03:32:15,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-22 03:32:15,609 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,609 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,609 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,609 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-22 03:32:15,610 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-22 03:32:15,610 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-22 03:32:15,610 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,611 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,612 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-22 03:32:15,612 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-22 03:32:15,612 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-22 03:32:15,612 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:32:15,612 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-22 03:32:15,612 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:32:15,614 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-22 03:32:15,619 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,619 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,619 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,621 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-22 03:32:15,621 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-22 03:32:15,621 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-22 03:32:15,621 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-22 03:32:15,621 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,621 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,622 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-22 03:32:15,623 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-22 03:32:15,626 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,626 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,626 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,626 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:32:15,627 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:32:15,627 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:32:15,627 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:32:15,627 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-22 03:32:15,627 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-22 03:32:15,628 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,628 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,628 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,629 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-22 03:32:15,629 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-22 03:32:15,629 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-22 03:32:15,630 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,631 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,632 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-22 03:32:15,632 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-22 03:32:15,632 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,633 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-22 03:32:15,634 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (or (and (= (_ bv0 32) ~a19~0) (= (_ bv1 32) ~a11~0) (= (_ bv10 32) ~a28~0) (= (_ bv0 32) ~a25~0) (= (_ bv1 32) ~a21~0)) (not (= (_ bv7 32) ~a17~0)) (= (_ bv1 32) ~a25~0) (= (_ bv1 32) ~a19~0) (= (_ bv0 32) ~a11~0)) [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-22 03:32:15,636 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-22 03:32:15,637 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-22 03:32:15,637 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:32:15,637 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:32:15,637 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,637 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,637 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-22 03:32:15,637 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,640 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-22 03:32:15,641 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,642 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,643 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:15,643 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-22 03:32:15,643 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-22 03:32:15,643 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-22 03:32:15,646 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:15,649 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 03:32:15,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:32:15 BoogieIcfgContainer [2023-12-22 03:32:15,659 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 03:32:15,660 INFO L158 Benchmark]: Toolchain (without parser) took 14751.21ms. Allocated memory was 268.4MB in the beginning and 450.9MB in the end (delta: 182.5MB). Free memory was 225.5MB in the beginning and 300.8MB in the end (delta: -75.3MB). Peak memory consumption was 109.8MB. Max. memory is 8.0GB. [2023-12-22 03:32:15,660 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 184.5MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 03:32:15,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.89ms. Allocated memory is still 268.4MB. Free memory was 225.1MB in the beginning and 196.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-22 03:32:15,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.39ms. Allocated memory is still 268.4MB. Free memory was 196.7MB in the beginning and 191.0MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-22 03:32:15,661 INFO L158 Benchmark]: Boogie Preprocessor took 130.87ms. Allocated memory is still 268.4MB. Free memory was 191.0MB in the beginning and 185.8MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-22 03:32:15,661 INFO L158 Benchmark]: RCFGBuilder took 1236.03ms. Allocated memory is still 268.4MB. Free memory was 185.7MB in the beginning and 156.1MB in the end (delta: 29.6MB). Peak memory consumption was 54.8MB. Max. memory is 8.0GB. [2023-12-22 03:32:15,661 INFO L158 Benchmark]: TraceAbstraction took 12794.09ms. Allocated memory was 268.4MB in the beginning and 450.9MB in the end (delta: 182.5MB). Free memory was 155.6MB in the beginning and 300.8MB in the end (delta: -145.3MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. [2023-12-22 03:32:15,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 184.5MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 509.89ms. Allocated memory is still 268.4MB. Free memory was 225.1MB in the beginning and 196.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.39ms. Allocated memory is still 268.4MB. Free memory was 196.7MB in the beginning and 191.0MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 130.87ms. Allocated memory is still 268.4MB. Free memory was 191.0MB in the beginning and 185.8MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1236.03ms. Allocated memory is still 268.4MB. Free memory was 185.7MB in the beginning and 156.1MB in the end (delta: 29.6MB). Peak memory consumption was 54.8MB. Max. memory is 8.0GB. * TraceAbstraction took 12794.09ms. Allocated memory was 268.4MB in the beginning and 450.9MB in the end (delta: 182.5MB). Free memory was 155.6MB in the beginning and 300.8MB in the end (delta: -145.3MB). Peak memory consumption was 37.2MB. 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: 536]: 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: 12.7s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1266 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1266 mSDsluCounter, 991 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 595 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3715 IncrementalHoareTripleChecker+Invalid, 4310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 595 mSolverCounterUnsat, 790 mSDtfsCounter, 3715 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 976 GetRequests, 954 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1355occurred in iteration=6, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 573 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 20 NumberOfFragments, 30 HoareAnnotationTreeSize, 1 FormulaSimplifications, 269 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 979 NumberOfCodeBlocks, 979 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 972 ConstructedInterpolants, 0 QuantifiedInterpolants, 6969 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1335 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 180/180 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: (((((((((0 == a19) && (1 == a11)) && (10 == a28)) && (0 == a25)) && (1 == a21)) || !((7 == a17))) || (1 == a25)) || (1 == a19)) || (0 == a11)) RESULT: Ultimate proved your program to be correct! [2023-12-22 03:32:15,680 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...