/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/Problem07_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 06:04:40,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 06:04:40,268 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 06:04:40,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 06:04:40,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 06:04:40,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 06:04:40,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 06:04:40,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 06:04:40,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 06:04:40,300 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 06:04:40,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 06:04:40,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 06:04:40,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 06:04:40,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 06:04:40,303 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 06:04:40,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 06:04:40,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 06:04:40,303 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 06:04:40,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 06:04:40,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 06:04:40,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 06:04:40,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 06:04:40,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 06:04:40,305 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 06:04:40,306 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 06:04:40,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 06:04:40,306 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 06:04:40,306 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 06:04:40,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 06:04:40,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 06:04:40,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 06:04:40,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 06:04:40,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 06:04:40,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 06:04:40,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 06:04:40,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 06:04:40,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 06:04:40,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 06:04:40,308 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 06:04:40,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 06:04:40,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 06:04:40,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 06:04:40,309 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 06:04:40,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 06:04:40,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 06:04:40,310 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 06:04:40,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 06:04:40,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 06:04:40,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 06:04:40,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 06:04:40,524 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 06:04:40,525 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 06:04:40,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label39.c [2023-12-22 06:04:41,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 06:04:42,998 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 06:04:42,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label39.c [2023-12-22 06:04:43,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c6ab5dc/57216602718c4b9cad16f641e468b04d/FLAG06a4f1374 [2023-12-22 06:04:43,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c6ab5dc/57216602718c4b9cad16f641e468b04d [2023-12-22 06:04:43,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 06:04:43,124 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 06:04:43,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 06:04:43,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 06:04:43,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 06:04:43,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:04:43" (1/1) ... [2023-12-22 06:04:43,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780c4635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:43, skipping insertion in model container [2023-12-22 06:04:43,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:04:43" (1/1) ... [2023-12-22 06:04:43,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 06:04:50,790 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/Problem07_label39.c[2767623,2767636] [2023-12-22 06:04:50,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 06:04:50,850 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 06:04:54,836 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/Problem07_label39.c[2767623,2767636] [2023-12-22 06:04:54,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 06:04:55,829 INFO L206 MainTranslator]: Completed translation [2023-12-22 06:04:55,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55 WrapperNode [2023-12-22 06:04:55,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 06:04:55,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 06:04:55,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 06:04:55,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 06:04:55,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:04:56,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:04:59,302 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83772 [2023-12-22 06:04:59,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 06:04:59,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 06:04:59,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 06:04:59,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 06:04:59,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:04:59,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:04:59,920 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:00,232 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 06:05:00,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:00,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:01,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:01,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:01,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:01,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:02,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 06:05:02,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 06:05:02,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 06:05:02,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 06:05:02,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ... [2023-12-22 06:05:02,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 06:05:02,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 06:05:02,091 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 06:05:02,122 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 06:05:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 06:05:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 06:05:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 06:05:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 06:05:02,256 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 06:05:02,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 06:05:47,472 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 06:05:47,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 06:05:47,615 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 06:05:47,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:05:47 BoogieIcfgContainer [2023-12-22 06:05:47,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 06:05:47,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 06:05:47,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 06:05:47,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 06:05:47,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:04:43" (1/3) ... [2023-12-22 06:05:47,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5243f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:05:47, skipping insertion in model container [2023-12-22 06:05:47,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (2/3) ... [2023-12-22 06:05:47,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5243f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:05:47, skipping insertion in model container [2023-12-22 06:05:47,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:05:47" (3/3) ... [2023-12-22 06:05:47,624 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label39.c [2023-12-22 06:05:47,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 06:05:47,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 06:05:47,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 06:05:47,796 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;@17049c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 06:05:47,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 06:05:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 0 states have call successors, (0), 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 06:05:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-22 06:05:48,514 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:05:48,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:48,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:05:48,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:05:48,533 INFO L85 PathProgramCache]: Analyzing trace with hash -250727381, now seen corresponding path program 1 times [2023-12-22 06:05:48,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:05:48,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46511941] [2023-12-22 06:05:48,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:05:48,648 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 06:05:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:05:48,650 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 06:05:48,657 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 06:05:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:05:52,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 10227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 06:05:52,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 06:05:53,136 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 06:05:53,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 06:05:53,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 06:05:53,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46511941] [2023-12-22 06:05:53,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46511941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 06:05:53,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 06:05:53,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 06:05:53,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354660854] [2023-12-22 06:05:53,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 06:05:53,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 06:05:53,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 06:05:53,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 06:05:53,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 06:05:53,207 INFO L87 Difference]: Start difference. First operand has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 0 states have call successors, (0), 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 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 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 06:05:53,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 06:05:53,422 INFO L93 Difference]: Finished difference Result 20389 states and 40675 transitions. [2023-12-22 06:05:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 06:05:53,430 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 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 10090 [2023-12-22 06:05:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 06:05:53,486 INFO L225 Difference]: With dead ends: 20389 [2023-12-22 06:05:53,486 INFO L226 Difference]: Without dead ends: 10193 [2023-12-22 06:05:53,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10089 GetRequests, 10089 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 06:05:53,507 INFO L413 NwaCegarLoop]: 20273 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, 20273 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 06:05:53,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20273 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 06:05:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10193 states. [2023-12-22 06:05:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193. [2023-12-22 06:05:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10193 states, 10192 states have (on average 1.9891091051805339) internal successors, (20273), 10192 states have internal predecessors, (20273), 0 states have call successors, (0), 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 06:05:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions. [2023-12-22 06:05:53,772 INFO L78 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10090 [2023-12-22 06:05:53,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 06:05:53,787 INFO L495 AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions. [2023-12-22 06:05:53,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 0 states have call successors, (0), 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 06:05:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions. [2023-12-22 06:05:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-22 06:05:54,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:05:54,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:54,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-22 06:05:54,766 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 06:05:54,768 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:05:54,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:05:54,771 INFO L85 PathProgramCache]: Analyzing trace with hash -793486727, now seen corresponding path program 1 times [2023-12-22 06:05:54,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:05:54,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776133801] [2023-12-22 06:05:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:05:54,844 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 06:05:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:05:54,845 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 06:05:54,846 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 06:05:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:05:58,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 10227 conjuncts, 102 conjunts are in the unsatisfiable core [2023-12-22 06:05:58,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 06:12:12,902 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 06:12:12,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 06:12:12,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 06:12:12,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776133801] [2023-12-22 06:12:12,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776133801] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 06:12:12,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 06:12:12,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2023-12-22 06:12:12,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761584036] [2023-12-22 06:12:12,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 06:12:12,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-12-22 06:12:12,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 06:12:12,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-12-22 06:12:12,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2301, Unknown=0, NotChecked=0, Total=2450 [2023-12-22 06:12:12,929 INFO L87 Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand has 50 states, 50 states have (on average 201.8) internal successors, (10090), 49 states have internal predecessors, (10090), 0 states have call successors, (0), 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 06:16:08,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 06:16:08,633 INFO L93 Difference]: Finished difference Result 29456 states and 58685 transitions. [2023-12-22 06:16:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-22 06:16:08,636 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 201.8) internal successors, (10090), 49 states have internal predecessors, (10090), 0 states have call successors, (0), 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 10090 [2023-12-22 06:16:08,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 06:16:08,697 INFO L225 Difference]: With dead ends: 29456 [2023-12-22 06:16:08,697 INFO L226 Difference]: Without dead ends: 19264 [2023-12-22 06:16:08,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10135 GetRequests, 10041 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=2449, Invalid=6671, Unknown=0, NotChecked=0, Total=9120 [2023-12-22 06:16:08,710 INFO L413 NwaCegarLoop]: 11198 mSDtfsCounter, 191576 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 225766 mSolverCounterSat, 9063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 183.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191576 SdHoareTripleChecker+Valid, 11335 SdHoareTripleChecker+Invalid, 234829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 9063 IncrementalHoareTripleChecker+Valid, 225766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 208.8s IncrementalHoareTripleChecker+Time [2023-12-22 06:16:08,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191576 Valid, 11335 Invalid, 234829 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [9063 Valid, 225766 Invalid, 0 Unknown, 0 Unchecked, 208.8s Time] [2023-12-22 06:16:08,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19264 states. [2023-12-22 06:16:08,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19264 to 19264. [2023-12-22 06:16:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19264 states, 19263 states have (on average 1.5235944556922598) internal successors, (29349), 19263 states have internal predecessors, (29349), 0 states have call successors, (0), 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 06:16:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19264 states to 19264 states and 29349 transitions. [2023-12-22 06:16:09,002 INFO L78 Accepts]: Start accepts. Automaton has 19264 states and 29349 transitions. Word has length 10090 [2023-12-22 06:16:09,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 06:16:09,010 INFO L495 AbstractCegarLoop]: Abstraction has 19264 states and 29349 transitions. [2023-12-22 06:16:09,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 201.8) internal successors, (10090), 49 states have internal predecessors, (10090), 0 states have call successors, (0), 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 06:16:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 19264 states and 29349 transitions. [2023-12-22 06:16:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12986 [2023-12-22 06:16:09,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:16:09,928 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:09,946 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 06:16:10,143 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 06:16:10,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:16:10,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:16:10,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2137136456, now seen corresponding path program 1 times [2023-12-22 06:16:10,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:16:10,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687973188] [2023-12-22 06:16:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:16:10,231 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 06:16:10,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:16:10,232 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 06:16:10,233 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 06:16:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:16:14,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 13163 conjuncts, 110 conjunts are in the unsatisfiable core [2023-12-22 06:16:14,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-22 06:18:14,120 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 06:18:14,134 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-22 06:18:14,134 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-22 06:18:14,143 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 06:18:14,335 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 06:18:14,336 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 12986 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-11-1 context. [2023-12-22 06:18:14,340 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-22 06:18:14,342 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 06:18:14,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:18:14 BoogieIcfgContainer [2023-12-22 06:18:14,344 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 06:18:14,344 INFO L158 Benchmark]: Toolchain (without parser) took 811219.91ms. Allocated memory was 314.6MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 204.8MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2023-12-22 06:18:14,344 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 202.4MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 06:18:14,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 12704.64ms. Allocated memory was 314.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 204.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 931.9MB. Max. memory is 8.0GB. [2023-12-22 06:18:14,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 3471.88ms. Allocated memory was 2.5GB in the beginning and 3.5GB in the end (delta: 952.1MB). Free memory was 1.8GB in the beginning and 2.4GB in the end (delta: -625.2MB). Peak memory consumption was 326.9MB. Max. memory is 8.0GB. [2023-12-22 06:18:14,345 INFO L158 Benchmark]: Boogie Preprocessor took 2729.26ms. Allocated memory is still 3.5GB. Free memory was 2.4GB in the beginning and 2.2GB in the end (delta: 230.7MB). Peak memory consumption was 254.8MB. Max. memory is 8.0GB. [2023-12-22 06:18:14,346 INFO L158 Benchmark]: RCFGBuilder took 45581.89ms. Allocated memory was 3.5GB in the beginning and 5.4GB in the end (delta: 1.9GB). Free memory was 2.2GB in the beginning and 3.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-22 06:18:14,346 INFO L158 Benchmark]: TraceAbstraction took 746725.22ms. Allocated memory was 5.4GB in the beginning and 5.6GB in the end (delta: 168.8MB). Free memory was 3.5GB in the beginning and 1.5GB in the end (delta: 2.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-22 06:18:14,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 202.4MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 12704.64ms. Allocated memory was 314.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 204.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 931.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3471.88ms. Allocated memory was 2.5GB in the beginning and 3.5GB in the end (delta: 952.1MB). Free memory was 1.8GB in the beginning and 2.4GB in the end (delta: -625.2MB). Peak memory consumption was 326.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 2729.26ms. Allocated memory is still 3.5GB. Free memory was 2.4GB in the beginning and 2.2GB in the end (delta: 230.7MB). Peak memory consumption was 254.8MB. Max. memory is 8.0GB. * RCFGBuilder took 45581.89ms. Allocated memory was 3.5GB in the beginning and 5.4GB in the end (delta: 1.9GB). Free memory was 2.2GB in the beginning and 3.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * TraceAbstraction took 746725.22ms. Allocated memory was 5.4GB in the beginning and 5.6GB in the end (delta: 168.8MB). Free memory was 3.5GB in the beginning and 1.5GB in the end (delta: 2.0GB). Peak memory consumption was 2.2GB. 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 - TimeoutResultAtElement [Line: 73521]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 73521). Cancelled while NwaCegarLoop was analyzing trace of length 12986 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-11-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10195 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 746.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.4s, AutomataDifference: 236.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191576 SdHoareTripleChecker+Valid, 208.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191576 mSDsluCounter, 31608 SdHoareTripleChecker+Invalid, 183.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 137 mSDsCounter, 9063 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225768 IncrementalHoareTripleChecker+Invalid, 234831 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9063 mSolverCounterUnsat, 31471 mSDtfsCounter, 225768 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20224 GetRequests, 20130 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19264occurred in iteration=2, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 375.1s InterpolantComputationTime, 20180 NumberOfCodeBlocks, 20180 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20178 ConstructedInterpolants, 0 QuantifiedInterpolants, 428399 SizeOfPredicates, 84 NumberOfNonLiveVariables, 20454 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown