/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_loopvsstraightlinecode_100-while_file-4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 13:43:29,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 13:43:29,569 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 13:43:29,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 13:43:29,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 13:43:29,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 13:43:29,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 13:43:29,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 13:43:29,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 13:43:29,603 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 13:43:29,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 13:43:29,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 13:43:29,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 13:43:29,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 13:43:29,604 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 13:43:29,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 13:43:29,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 13:43:29,605 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 13:43:29,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 13:43:29,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 13:43:29,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 13:43:29,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 13:43:29,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 13:43:29,608 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 13:43:29,609 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 13:43:29,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 13:43:29,609 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 13:43:29,609 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 13:43:29,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 13:43:29,610 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 13:43:29,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 13:43:29,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 13:43:29,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 13:43:29,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 13:43:29,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 13:43:29,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 13:43:29,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 13:43:29,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 13:43:29,612 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 13:43:29,612 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 13:43:29,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 13:43:29,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 13:43:29,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 13:43:29,612 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 13:43:29,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 13:43:29,613 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 13:43:29,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 13:43:29,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 13:43:29,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 13:43:29,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 13:43:29,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 13:43:29,829 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 13:43:29,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-4.i [2023-12-16 13:43:31,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 13:43:31,333 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 13:43:31,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-4.i [2023-12-16 13:43:31,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40df2235/7f102a4e85114737bdc4e9bf70000dc8/FLAGa804807fc [2023-12-16 13:43:31,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40df2235/7f102a4e85114737bdc4e9bf70000dc8 [2023-12-16 13:43:31,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 13:43:31,365 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 13:43:31,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 13:43:31,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 13:43:31,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 13:43:31,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c01060a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31, skipping insertion in model container [2023-12-16 13:43:31,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 13:43:31,583 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_loopvsstraightlinecode_100-while_file-4.i[915,928] [2023-12-16 13:43:31,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 13:43:31,673 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 13:43:31,685 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_loopvsstraightlinecode_100-while_file-4.i[915,928] [2023-12-16 13:43:31,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 13:43:31,747 INFO L206 MainTranslator]: Completed translation [2023-12-16 13:43:31,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31 WrapperNode [2023-12-16 13:43:31,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 13:43:31,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 13:43:31,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 13:43:31,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 13:43:31,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,814 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2023-12-16 13:43:31,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 13:43:31,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 13:43:31,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 13:43:31,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 13:43:31,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,843 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 13:43:31,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 13:43:31,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 13:43:31,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 13:43:31,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 13:43:31,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (1/1) ... [2023-12-16 13:43:31,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 13:43:31,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 13:43:31,927 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 13:43:31,950 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 13:43:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 13:43:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 13:43:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 13:43:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 13:43:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 13:43:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 13:43:32,058 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 13:43:32,060 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 13:43:47,367 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 13:43:47,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 13:43:47,411 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 13:43:47,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:43:47 BoogieIcfgContainer [2023-12-16 13:43:47,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 13:43:47,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 13:43:47,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 13:43:47,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 13:43:47,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:43:31" (1/3) ... [2023-12-16 13:43:47,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dc4d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:43:47, skipping insertion in model container [2023-12-16 13:43:47,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:43:31" (2/3) ... [2023-12-16 13:43:47,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dc4d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:43:47, skipping insertion in model container [2023-12-16 13:43:47,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:43:47" (3/3) ... [2023-12-16 13:43:47,418 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-4.i [2023-12-16 13:43:47,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 13:43:47,433 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 13:43:47,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 13:43:47,481 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;@46a0ae0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 13:43:47,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 13:43:47,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-16 13:43:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-16 13:43:47,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:43:47,504 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:43:47,504 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:43:47,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:43:47,513 INFO L85 PathProgramCache]: Analyzing trace with hash -838553351, now seen corresponding path program 1 times [2023-12-16 13:43:47,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:43:47,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378367255] [2023-12-16 13:43:47,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:43:47,529 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 13:43:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:43:47,532 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 13:43:47,542 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 13:43:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:43:48,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 13:43:48,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:43:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-16 13:43:51,859 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 13:43:51,860 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:43:51,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378367255] [2023-12-16 13:43:51,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378367255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 13:43:51,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 13:43:51,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 13:43:51,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229259819] [2023-12-16 13:43:51,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 13:43:51,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 13:43:51,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:43:51,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 13:43:51,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 13:43:51,892 INFO L87 Difference]: Start difference. First operand has 81 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-16 13:43:57,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:44:01,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:44:05,288 WARN L539 Checker$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 [] [2023-12-16 13:44:10,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:44:14,337 WARN L539 Checker$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 [] [2023-12-16 13:44:18,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:44:22,349 WARN L539 Checker$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 [] [2023-12-16 13:44:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 13:44:22,351 INFO L93 Difference]: Finished difference Result 238 states and 454 transitions. [2023-12-16 13:44:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 13:44:22,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 191 [2023-12-16 13:44:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 13:44:22,636 INFO L225 Difference]: With dead ends: 238 [2023-12-16 13:44:22,636 INFO L226 Difference]: Without dead ends: 158 [2023-12-16 13:44:22,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 13:44:22,643 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 114 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 63 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2023-12-16 13:44:22,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 481 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 17 Invalid, 7 Unknown, 0 Unchecked, 30.1s Time] [2023-12-16 13:44:22,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-16 13:44:22,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 134. [2023-12-16 13:44:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 69 states have internal predecessors, (87), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-16 13:44:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 211 transitions. [2023-12-16 13:44:22,742 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 211 transitions. Word has length 191 [2023-12-16 13:44:22,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 13:44:22,745 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 211 transitions. [2023-12-16 13:44:22,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-16 13:44:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-12-16 13:44:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-12-16 13:44:22,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:44:22,755 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:22,790 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 13:44:22,976 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 13:44:22,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:44:22,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:44:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash 705763658, now seen corresponding path program 1 times [2023-12-16 13:44:22,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:44:22,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642546638] [2023-12-16 13:44:22,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:44:22,979 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 13:44:22,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:44:22,981 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 13:44:22,983 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 13:44:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:44:24,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 13:44:24,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:44:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 916 proven. 51 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2023-12-16 13:44:27,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 13:44:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 123 proven. 54 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-16 13:44:29,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:44:29,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642546638] [2023-12-16 13:44:29,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642546638] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 13:44:29,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 13:44:29,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-12-16 13:44:29,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622248502] [2023-12-16 13:44:29,539 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 13:44:29,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 13:44:29,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:44:29,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 13:44:29,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-16 13:44:29,548 INFO L87 Difference]: Start difference. First operand 134 states and 211 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 3 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2023-12-16 13:44:38,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:44:42,632 WARN L539 Checker$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 [] Received shutdown request... [2023-12-16 13:44:43,253 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 13:44:43,273 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 13:44:44,308 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 13:44:44,454 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 13:44:44,494 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 [2023-12-16 13:44:44,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 371 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2023-12-16 13:44:44,496 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 188 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 105 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-12-16 13:44:44,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 293 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 293 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2023-12-16 13:44:44,498 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 13:44:44,498 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-16 13:44:44,502 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 13:44:44,505 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 13:44:44,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:44:44 BoogieIcfgContainer [2023-12-16 13:44:44,511 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 13:44:44,512 INFO L158 Benchmark]: Toolchain (without parser) took 73146.62ms. Allocated memory was 200.3MB in the beginning and 266.3MB in the end (delta: 66.1MB). Free memory was 148.9MB in the beginning and 99.1MB in the end (delta: 49.8MB). Peak memory consumption was 116.8MB. Max. memory is 8.0GB. [2023-12-16 13:44:44,514 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 200.3MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 13:44:44,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.26ms. Allocated memory is still 200.3MB. Free memory was 148.9MB in the beginning and 131.4MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 13:44:44,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.23ms. Allocated memory is still 200.3MB. Free memory was 131.4MB in the beginning and 128.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 13:44:44,517 INFO L158 Benchmark]: Boogie Preprocessor took 63.15ms. Allocated memory is still 200.3MB. Free memory was 128.6MB in the beginning and 123.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 13:44:44,517 INFO L158 Benchmark]: RCFGBuilder took 15532.58ms. Allocated memory is still 200.3MB. Free memory was 123.7MB in the beginning and 148.3MB in the end (delta: -24.6MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. [2023-12-16 13:44:44,517 INFO L158 Benchmark]: TraceAbstraction took 57097.85ms. Allocated memory was 200.3MB in the beginning and 266.3MB in the end (delta: 66.1MB). Free memory was 147.3MB in the beginning and 99.1MB in the end (delta: 48.2MB). Peak memory consumption was 114.3MB. Max. memory is 8.0GB. [2023-12-16 13:44:44,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 200.3MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 380.26ms. Allocated memory is still 200.3MB. Free memory was 148.9MB in the beginning and 131.4MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.23ms. Allocated memory is still 200.3MB. Free memory was 131.4MB in the beginning and 128.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.15ms. Allocated memory is still 200.3MB. Free memory was 128.6MB in the beginning and 123.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 15532.58ms. Allocated memory is still 200.3MB. Free memory was 123.7MB in the beginning and 148.3MB in the end (delta: -24.6MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. * TraceAbstraction took 57097.85ms. Allocated memory was 200.3MB in the beginning and 266.3MB in the end (delta: 66.1MB). Free memory was 147.3MB in the beginning and 99.1MB in the end (delta: 48.2MB). Peak memory consumption was 114.3MB. 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, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.0s, OverallIterations: 2, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 45.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 303 SdHoareTripleChecker+Valid, 42.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 302 mSDsluCounter, 774 SdHoareTripleChecker+Invalid, 41.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 571 mSDsCounter, 168 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 168 mSolverCounterUnsat, 203 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 572 ConstructedInterpolants, 0 QuantifiedInterpolants, 1677 SizeOfPredicates, 9 NumberOfNonLiveVariables, 641 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 5475/5580 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