/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_fillercodestructure_filler-ps-co_file-87.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 13:01:44,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 13:01:44,320 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 13:01:44,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 13:01:44,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 13:01:44,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 13:01:44,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 13:01:44,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 13:01:44,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 13:01:44,348 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 13:01:44,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 13:01:44,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 13:01:44,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 13:01:44,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 13:01:44,350 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 13:01:44,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 13:01:44,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 13:01:44,351 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 13:01:44,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 13:01:44,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 13:01:44,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 13:01:44,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 13:01:44,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 13:01:44,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 13:01:44,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 13:01:44,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 13:01:44,353 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 13:01:44,353 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 13:01:44,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 13:01:44,353 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 13:01:44,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 13:01:44,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 13:01:44,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 13:01:44,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 13:01:44,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 13:01:44,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 13:01:44,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 13:01:44,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 13:01:44,356 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 13:01:44,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 13:01:44,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 13:01:44,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 13:01:44,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 13:01:44,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 13:01:44,550 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 13:01:44,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-87.i [2023-12-16 13:01:45,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 13:01:45,616 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 13:01:45,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-87.i [2023-12-16 13:01:45,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c94d580/7a65b41c037146de81da966ff5a824a0/FLAG48ab29d27 [2023-12-16 13:01:45,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c94d580/7a65b41c037146de81da966ff5a824a0 [2023-12-16 13:01:45,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 13:01:45,642 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 13:01:45,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 13:01:45,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 13:01:45,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 13:01:45,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8ffc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45, skipping insertion in model container [2023-12-16 13:01:45,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 13:01:45,773 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_fillercodestructure_filler-ps-co_file-87.i[919,932] [2023-12-16 13:01:45,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 13:01:45,841 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 13:01:45,849 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_fillercodestructure_filler-ps-co_file-87.i[919,932] [2023-12-16 13:01:45,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 13:01:45,913 INFO L206 MainTranslator]: Completed translation [2023-12-16 13:01:45,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45 WrapperNode [2023-12-16 13:01:45,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 13:01:45,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 13:01:45,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 13:01:45,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 13:01:45,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,968 INFO L138 Inliner]: procedures = 27, calls = 72, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 292 [2023-12-16 13:01:45,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 13:01:45,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 13:01:45,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 13:01:45,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 13:01:45,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,999 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 13:01:45,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:45,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:46,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:46,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:46,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:46,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:46,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 13:01:46,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 13:01:46,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 13:01:46,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 13:01:46,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (1/1) ... [2023-12-16 13:01:46,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 13:01:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 13:01:46,107 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 13:01:46,125 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 13:01:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 13:01:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 13:01:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 13:01:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 13:01:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 13:01:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 13:01:46,211 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 13:01:46,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 13:01:57,078 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 13:01:57,117 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 13:01:57,117 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 13:01:57,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:57 BoogieIcfgContainer [2023-12-16 13:01:57,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 13:01:57,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 13:01:57,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 13:01:57,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 13:01:57,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:45" (1/3) ... [2023-12-16 13:01:57,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbe9390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:57, skipping insertion in model container [2023-12-16 13:01:57,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:45" (2/3) ... [2023-12-16 13:01:57,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbe9390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:57, skipping insertion in model container [2023-12-16 13:01:57,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:57" (3/3) ... [2023-12-16 13:01:57,123 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-87.i [2023-12-16 13:01:57,135 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 13:01:57,135 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 13:01:57,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 13:01:57,184 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;@7466dac3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 13:01:57,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 13:01:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 64 states have (on average 1.328125) internal successors, (85), 65 states have internal predecessors, (85), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 13:01:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-12-16 13:01:57,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:01:57,209 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:57,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:01:57,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:01:57,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1057275036, now seen corresponding path program 1 times [2023-12-16 13:01:57,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:01:57,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169216821] [2023-12-16 13:01:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:01:57,224 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 13:01:57,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:01:57,226 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 13:01:57,236 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 13:01:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:01:57,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 13:01:57,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:01:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 3416 proven. 0 refuted. 0 times theorem prover too weak. 3428 trivial. 0 not checked. [2023-12-16 13:01:57,996 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 13:01:57,997 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:01:57,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169216821] [2023-12-16 13:01:57,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169216821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 13:01:57,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 13:01:57,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 13:01:57,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439824075] [2023-12-16 13:01:57,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 13:01:58,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 13:01:58,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:01:58,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 13:01:58,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 13:01:58,029 INFO L87 Difference]: Start difference. First operand has 126 states, 64 states have (on average 1.328125) internal successors, (85), 65 states have internal predecessors, (85), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2023-12-16 13:02:02,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:02,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 13:02:02,242 INFO L93 Difference]: Finished difference Result 249 states and 463 transitions. [2023-12-16 13:02:02,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 13:02:02,304 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 347 [2023-12-16 13:02:02,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 13:02:02,310 INFO L225 Difference]: With dead ends: 249 [2023-12-16 13:02:02,310 INFO L226 Difference]: Without dead ends: 124 [2023-12-16 13:02:02,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 346 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 13:02:02,316 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-16 13:02:02,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-16 13:02:02,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-16 13:02:02,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-12-16 13:02:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 63 states have internal predecessors, (80), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 13:02:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 198 transitions. [2023-12-16 13:02:02,359 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 198 transitions. Word has length 347 [2023-12-16 13:02:02,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 13:02:02,360 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 198 transitions. [2023-12-16 13:02:02,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2023-12-16 13:02:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 198 transitions. [2023-12-16 13:02:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-12-16 13:02:02,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:02:02,369 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:02,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 13:02:02,570 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 13:02:02,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:02:02,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:02:02,571 INFO L85 PathProgramCache]: Analyzing trace with hash 897166694, now seen corresponding path program 1 times [2023-12-16 13:02:02,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:02:02,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619221931] [2023-12-16 13:02:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:02:02,572 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 13:02:02,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:02:02,573 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 13:02:02,574 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 13:02:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:02:03,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 13:02:03,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:02:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2023-12-16 13:02:08,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 13:02:08,430 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:02:08,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619221931] [2023-12-16 13:02:08,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [619221931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 13:02:08,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 13:02:08,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 13:02:08,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756074444] [2023-12-16 13:02:08,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 13:02:08,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 13:02:08,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:02:08,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 13:02:08,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:02:08,437 INFO L87 Difference]: Start difference. First operand 124 states and 198 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 13:02:11,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:15,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:19,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:24,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:27,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:27,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 13:02:27,562 INFO L93 Difference]: Finished difference Result 370 states and 592 transitions. [2023-12-16 13:02:27,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 13:02:27,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 347 [2023-12-16 13:02:27,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 13:02:27,567 INFO L225 Difference]: With dead ends: 370 [2023-12-16 13:02:27,567 INFO L226 Difference]: Without dead ends: 247 [2023-12-16 13:02:27,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:02:27,573 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 37 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2023-12-16 13:02:27,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 362 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 3 Unknown, 0 Unchecked, 19.1s Time] [2023-12-16 13:02:27,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-12-16 13:02:27,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 245. [2023-12-16 13:02:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 124 states have (on average 1.2661290322580645) internal successors, (157), 124 states have internal predecessors, (157), 118 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2023-12-16 13:02:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 393 transitions. [2023-12-16 13:02:27,639 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 393 transitions. Word has length 347 [2023-12-16 13:02:27,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 13:02:27,641 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 393 transitions. [2023-12-16 13:02:27,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 13:02:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 393 transitions. [2023-12-16 13:02:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-12-16 13:02:27,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:02:27,648 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:27,668 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 [2023-12-16 13:02:27,868 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 13:02:27,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:02:27,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:02:27,869 INFO L85 PathProgramCache]: Analyzing trace with hash -123901660, now seen corresponding path program 1 times [2023-12-16 13:02:27,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:02:27,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962427363] [2023-12-16 13:02:27,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:02:27,870 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 13:02:27,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:02:27,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 13:02:27,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 13:02:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:02:28,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 13:02:28,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:02:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2023-12-16 13:02:33,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 13:02:33,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:02:33,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962427363] [2023-12-16 13:02:33,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962427363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 13:02:33,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 13:02:33,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 13:02:33,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146505812] [2023-12-16 13:02:33,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 13:02:33,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 13:02:33,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:02:33,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 13:02:33,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:02:33,372 INFO L87 Difference]: Start difference. First operand 245 states and 393 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 13:02:36,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:40,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:44,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:47,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:02:47,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 13:02:47,710 INFO L93 Difference]: Finished difference Result 610 states and 981 transitions. [2023-12-16 13:02:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 13:02:47,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 347 [2023-12-16 13:02:47,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 13:02:47,713 INFO L225 Difference]: With dead ends: 610 [2023-12-16 13:02:47,713 INFO L226 Difference]: Without dead ends: 366 [2023-12-16 13:02:47,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:02:47,715 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 21 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-12-16 13:02:47,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 358 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2023-12-16 13:02:47,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-12-16 13:02:47,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 350. [2023-12-16 13:02:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 169 states have (on average 1.21301775147929) internal successors, (205), 169 states have internal predecessors, (205), 177 states have call successors, (177), 3 states have call predecessors, (177), 3 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-12-16 13:02:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 559 transitions. [2023-12-16 13:02:47,759 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 559 transitions. Word has length 347 [2023-12-16 13:02:47,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 13:02:47,760 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 559 transitions. [2023-12-16 13:02:47,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 13:02:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 559 transitions. [2023-12-16 13:02:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-12-16 13:02:47,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:02:47,762 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:47,782 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 [2023-12-16 13:02:47,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 13:02:47,966 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:02:47,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:02:47,967 INFO L85 PathProgramCache]: Analyzing trace with hash -710707674, now seen corresponding path program 1 times [2023-12-16 13:02:47,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:02:47,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302326279] [2023-12-16 13:02:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:02:47,968 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 13:02:47,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:02:47,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 13:02:47,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 13:02:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:02:48,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 13:02:48,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:02:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 2550 proven. 132 refuted. 0 times theorem prover too weak. 4162 trivial. 0 not checked. [2023-12-16 13:02:50,538 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 13:02:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 42 proven. 132 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked. [2023-12-16 13:02:51,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:02:51,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302326279] [2023-12-16 13:02:51,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302326279] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 13:02:51,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 13:02:51,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-16 13:02:51,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795666542] [2023-12-16 13:02:51,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 13:02:51,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 13:02:51,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:02:51,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 13:02:51,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-16 13:02:51,521 INFO L87 Difference]: Start difference. First operand 350 states and 559 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2023-12-16 13:02:57,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:03:01,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-16 13:03:02,940 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 13:03:02,979 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 13:03:03,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 13:03:04,180 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 13:03:04,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-16 13:03:04,194 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 111 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 122 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-12-16 13:03:04,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 270 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 322 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2023-12-16 13:03:04,196 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 13:03:04,196 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-16 13:03:04,202 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 13:03:04,203 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 13:03:04,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:03:04 BoogieIcfgContainer [2023-12-16 13:03:04,205 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 13:03:04,205 INFO L158 Benchmark]: Toolchain (without parser) took 78563.03ms. Allocated memory was 208.7MB in the beginning and 292.6MB in the end (delta: 83.9MB). Free memory was 160.1MB in the beginning and 240.8MB in the end (delta: -80.7MB). Peak memory consumption was 150.9MB. Max. memory is 8.0GB. [2023-12-16 13:03:04,205 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 208.7MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 13:03:04,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.15ms. Allocated memory is still 208.7MB. Free memory was 159.7MB in the beginning and 141.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 13:03:04,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.81ms. Allocated memory is still 208.7MB. Free memory was 141.9MB in the beginning and 138.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 13:03:04,206 INFO L158 Benchmark]: Boogie Preprocessor took 63.84ms. Allocated memory is still 208.7MB. Free memory was 138.8MB in the beginning and 134.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 13:03:04,206 INFO L158 Benchmark]: RCFGBuilder took 11084.97ms. Allocated memory is still 208.7MB. Free memory was 134.2MB in the beginning and 158.7MB in the end (delta: -24.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 13:03:04,206 INFO L158 Benchmark]: TraceAbstraction took 67085.45ms. Allocated memory was 208.7MB in the beginning and 292.6MB in the end (delta: 83.9MB). Free memory was 158.2MB in the beginning and 240.8MB in the end (delta: -82.6MB). Peak memory consumption was 148.9MB. Max. memory is 8.0GB. [2023-12-16 13:03:04,207 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 208.7MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.15ms. Allocated memory is still 208.7MB. Free memory was 159.7MB in the beginning and 141.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.81ms. Allocated memory is still 208.7MB. Free memory was 141.9MB in the beginning and 138.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.84ms. Allocated memory is still 208.7MB. Free memory was 138.8MB in the beginning and 134.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 11084.97ms. Allocated memory is still 208.7MB. Free memory was 134.2MB in the beginning and 158.7MB in the end (delta: -24.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 67085.45ms. Allocated memory was 208.7MB in the beginning and 292.6MB in the end (delta: 83.9MB). Free memory was 158.2MB in the beginning and 240.8MB in the end (delta: -82.6MB). Peak memory consumption was 148.9MB. 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 executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.0s, OverallIterations: 4, TraceHistogramMax: 59, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 47.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 1185 SdHoareTripleChecker+Invalid, 46.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 489 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 416 IncrementalHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 696 mSDtfsCounter, 416 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1738 GetRequests, 1721 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 1388 NumberOfCodeBlocks, 1388 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1730 ConstructedInterpolants, 0 QuantifiedInterpolants, 8101 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2189 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 33956/34220 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 [2023-12-16 13:03:04,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Completed graceful shutdown