/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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-8.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:27:53,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:27:53,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 11:27:53,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:27:53,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:27:53,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:27:53,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:27:53,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:27:53,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:27:53,263 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:27:53,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:27:53,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:27:53,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:27:53,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:27:53,265 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:27:53,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:27:53,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:27:53,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:27:53,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:27:53,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:27:53,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:27:53,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:27:53,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:27:53,268 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:27:53,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:27:53,268 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:27:53,268 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:27:53,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:27:53,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:27:53,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:27:53,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:27:53,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:27:53,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:27:53,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:27:53,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:27:53,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:27:53,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:27:53,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:27:53,271 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:27:53,271 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:27:53,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:27:53,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:27:53,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:27:53,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:27:53,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:27:53,272 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:27:53,272 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:27:53,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:27:53,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:27:53,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:27:53,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:27:53,465 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:27:53,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-8.i [2023-12-16 11:27:54,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:27:54,671 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:27:54,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-8.i [2023-12-16 11:27:54,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70346376c/3595018f2ef7406a85afa4bb91262474/FLAGa6226da9d [2023-12-16 11:27:54,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70346376c/3595018f2ef7406a85afa4bb91262474 [2023-12-16 11:27:54,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:27:54,713 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:27:54,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:27:54,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:27:54,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:27:54,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:27:54" (1/1) ... [2023-12-16 11:27:54,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b706a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:54, skipping insertion in model container [2023-12-16 11:27:54,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:27:54" (1/1) ... [2023-12-16 11:27:54,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:27:54,899 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-8.i[915,928] [2023-12-16 11:27:55,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:27:55,117 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:27:55,125 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-8.i[915,928] [2023-12-16 11:27:55,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:27:55,228 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:27:55,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55 WrapperNode [2023-12-16 11:27:55,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:27:55,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:27:55,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:27:55,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:27:55,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,322 INFO L138 Inliner]: procedures = 27, calls = 147, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 769 [2023-12-16 11:27:55,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:27:55,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:27:55,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:27:55,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:27:55,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,365 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 11:27:55,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:27:55,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:27:55,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:27:55,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:27:55,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (1/1) ... [2023-12-16 11:27:55,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:27:55,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:27:55,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 11:27:55,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 11:27:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:27:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:27:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:27:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:27:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:27:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:27:55,631 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:27:55,634 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:28:53,411 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:28:53,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:28:53,473 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:28:53,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:28:53 BoogieIcfgContainer [2023-12-16 11:28:53,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:28:53,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:28:53,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:28:53,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:28:53,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:27:54" (1/3) ... [2023-12-16 11:28:53,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203decf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:28:53, skipping insertion in model container [2023-12-16 11:28:53,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:55" (2/3) ... [2023-12-16 11:28:53,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203decf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:28:53, skipping insertion in model container [2023-12-16 11:28:53,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:28:53" (3/3) ... [2023-12-16 11:28:53,479 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-8.i [2023-12-16 11:28:53,491 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:28:53,491 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:28:53,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:28:53,542 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;@621f9ac3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:28:53,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:28:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 338 states, 201 states have (on average 1.5870646766169154) internal successors, (319), 202 states have internal predecessors, (319), 134 states have call successors, (134), 1 states have call predecessors, (134), 1 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-12-16 11:28:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-12-16 11:28:53,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:28:53,587 INFO L195 NwaCegarLoop]: trace histogram [134, 134, 134, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:28:53,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:28:53,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:28:53,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1304632478, now seen corresponding path program 1 times [2023-12-16 11:28:53,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:28:53,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794406695] [2023-12-16 11:28:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:28:53,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:28:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:28:53,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:28:53,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 11:28:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:28:56,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:28:56,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:28:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 35644 backedges. 4730 proven. 0 refuted. 0 times theorem prover too weak. 30914 trivial. 0 not checked. [2023-12-16 11:28:56,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:28:56,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:28:56,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794406695] [2023-12-16 11:28:56,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794406695] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:28:56,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:28:56,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:28:56,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589945438] [2023-12-16 11:28:56,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:28:56,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:28:56,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:28:56,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:28:56,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:28:56,317 INFO L87 Difference]: Start difference. First operand has 338 states, 201 states have (on average 1.5870646766169154) internal successors, (319), 202 states have internal predecessors, (319), 134 states have call successors, (134), 1 states have call predecessors, (134), 1 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 2 states have call predecessors, (134), 2 states have call successors, (134) [2023-12-16 11:29:01,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:29:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:29:01,793 INFO L93 Difference]: Finished difference Result 673 states and 1306 transitions. [2023-12-16 11:29:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:29:02,307 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 2 states have call predecessors, (134), 2 states have call successors, (134) Word has length 817 [2023-12-16 11:29:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:29:02,314 INFO L225 Difference]: With dead ends: 673 [2023-12-16 11:29:02,314 INFO L226 Difference]: Without dead ends: 336 [2023-12-16 11:29:02,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 816 GetRequests, 816 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:29:02,331 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-16 11:29:02,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 578 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2023-12-16 11:29:02,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-12-16 11:29:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2023-12-16 11:29:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 200 states have (on average 1.565) internal successors, (313), 200 states have internal predecessors, (313), 134 states have call successors, (134), 1 states have call predecessors, (134), 1 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-12-16 11:29:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 581 transitions. [2023-12-16 11:29:02,423 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 581 transitions. Word has length 817 [2023-12-16 11:29:02,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:29:02,423 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 581 transitions. [2023-12-16 11:29:02,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 2 states have call predecessors, (134), 2 states have call successors, (134) [2023-12-16 11:29:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 581 transitions. [2023-12-16 11:29:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-12-16 11:29:02,451 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:29:02,451 INFO L195 NwaCegarLoop]: trace histogram [134, 134, 134, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:29:02,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 11:29:02,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:29:02,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:29:02,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:29:02,668 INFO L85 PathProgramCache]: Analyzing trace with hash -575907618, now seen corresponding path program 1 times [2023-12-16 11:29:02,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:29:02,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158167917] [2023-12-16 11:29:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:29:02,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:29:02,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:29:02,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:29:02,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 11:29:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:29:05,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 11:29:05,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:29:12,974 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:29:12,990 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 [2023-12-16 11:29:13,066 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:29:13,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-16 11:29:13,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:29:13,268 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 818 with TraceHistMax 134,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2023-12-16 11:29:13,272 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 11:29:13,274 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:29:13,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:29:13 BoogieIcfgContainer [2023-12-16 11:29:13,284 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:29:13,288 INFO L158 Benchmark]: Toolchain (without parser) took 78571.38ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 128.5MB in the beginning and 167.4MB in the end (delta: -38.9MB). Peak memory consumption was 104.1MB. Max. memory is 8.0GB. [2023-12-16 11:29:13,288 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 165.7MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:29:13,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.14ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 95.0MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-16 11:29:13,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.43ms. Allocated memory is still 165.7MB. Free memory was 95.0MB in the beginning and 88.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 11:29:13,290 INFO L158 Benchmark]: Boogie Preprocessor took 78.98ms. Allocated memory is still 165.7MB. Free memory was 88.8MB in the beginning and 79.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-16 11:29:13,290 INFO L158 Benchmark]: RCFGBuilder took 58070.82ms. Allocated memory is still 165.7MB. Free memory was 79.3MB in the beginning and 70.5MB in the end (delta: 8.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-16 11:29:13,292 INFO L158 Benchmark]: TraceAbstraction took 19808.96ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 70.0MB in the beginning and 167.4MB in the end (delta: -97.4MB). Peak memory consumption was 45.7MB. Max. memory is 8.0GB. [2023-12-16 11:29:13,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 165.7MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 514.14ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 95.0MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 93.43ms. Allocated memory is still 165.7MB. Free memory was 95.0MB in the beginning and 88.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.98ms. Allocated memory is still 165.7MB. Free memory was 88.8MB in the beginning and 79.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 58070.82ms. Allocated memory is still 165.7MB. Free memory was 79.3MB in the beginning and 70.5MB in the end (delta: 8.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 19808.96ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 70.0MB in the beginning and 167.4MB in the end (delta: -97.4MB). Peak memory consumption was 45.7MB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 818 with TraceHistMax 134,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 338 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 2, TraceHistogramMax: 134, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 578 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 578 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 816 GetRequests, 816 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 817 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 816 ConstructedInterpolants, 0 QuantifiedInterpolants, 816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1299 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 35644/35644 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