/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_25-while_file-57.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 14:03:51,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 14:03:51,306 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 14:03:51,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 14:03:51,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 14:03:51,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 14:03:51,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 14:03:51,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 14:03:51,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 14:03:51,335 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 14:03:51,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 14:03:51,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 14:03:51,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 14:03:51,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 14:03:51,338 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 14:03:51,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 14:03:51,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 14:03:51,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 14:03:51,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 14:03:51,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 14:03:51,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 14:03:51,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 14:03:51,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 14:03:51,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 14:03:51,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 14:03:51,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 14:03:51,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 14:03:51,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 14:03:51,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 14:03:51,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 14:03:51,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 14:03:51,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 14:03:51,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 14:03:51,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 14:03:51,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:03:51,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 14:03:51,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 14:03:51,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 14:03:51,342 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 14:03:51,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 14:03:51,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 14:03:51,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 14:03:51,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 14:03:51,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 14:03:51,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 14:03:51,343 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 14:03:51,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 14:03:51,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 14:03:51,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 14:03:51,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 14:03:51,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 14:03:51,559 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 14:03:51,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-57.i [2023-12-16 14:03:52,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 14:03:52,781 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 14:03:52,781 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-57.i [2023-12-16 14:03:52,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c105b5463/6921c947c8484407b8bce6766e918fc2/FLAGbdd5d3d91 [2023-12-16 14:03:52,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c105b5463/6921c947c8484407b8bce6766e918fc2 [2023-12-16 14:03:52,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 14:03:52,802 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 14:03:52,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 14:03:52,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 14:03:52,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 14:03:52,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:52,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3bbf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52, skipping insertion in model container [2023-12-16 14:03:52,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:52,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 14:03:52,916 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_25-while_file-57.i[915,928] [2023-12-16 14:03:52,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:03:52,953 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 14:03:52,962 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_25-while_file-57.i[915,928] [2023-12-16 14:03:52,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:03:52,984 INFO L206 MainTranslator]: Completed translation [2023-12-16 14:03:52,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52 WrapperNode [2023-12-16 14:03:52,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 14:03:52,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 14:03:52,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 14:03:52,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 14:03:52,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:52,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,012 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-12-16 14:03:53,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 14:03:53,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 14:03:53,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 14:03:53,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 14:03:53,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,026 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,033 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 14:03:53,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 14:03:53,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 14:03:53,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 14:03:53,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 14:03:53,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (1/1) ... [2023-12-16 14:03:53,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:03:53,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 14:03:53,068 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 14:03:53,092 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 14:03:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 14:03:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 14:03:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 14:03:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 14:03:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 14:03:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 14:03:53,148 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 14:03:53,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 14:03:53,288 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 14:03:53,311 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 14:03:53,311 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 14:03:53,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:03:53 BoogieIcfgContainer [2023-12-16 14:03:53,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 14:03:53,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 14:03:53,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 14:03:53,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 14:03:53,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:03:52" (1/3) ... [2023-12-16 14:03:53,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb282e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:03:53, skipping insertion in model container [2023-12-16 14:03:53,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:03:52" (2/3) ... [2023-12-16 14:03:53,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb282e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:03:53, skipping insertion in model container [2023-12-16 14:03:53,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:03:53" (3/3) ... [2023-12-16 14:03:53,341 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-57.i [2023-12-16 14:03:53,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 14:03:53,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 14:03:53,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 14:03:53,386 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;@7d75c761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 14:03:53,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 14:03:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 14:03:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 14:03:53,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:03:53,398 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:53,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:03:53,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:03:53,402 INFO L85 PathProgramCache]: Analyzing trace with hash -173205012, now seen corresponding path program 1 times [2023-12-16 14:03:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:03:53,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743301799] [2023-12-16 14:03:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:03:53,413 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 14:03:53,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:03:53,415 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 14:03:53,446 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 14:03:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:03:53,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 14:03:53,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:03:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-16 14:03:53,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:03:53,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:03:53,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743301799] [2023-12-16 14:03:53,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743301799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:03:53,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:03:53,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 14:03:53,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683421567] [2023-12-16 14:03:53,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:03:53,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 14:03:53,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:03:53,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 14:03:53,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 14:03:53,595 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-16 14:03:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:03:53,616 INFO L93 Difference]: Finished difference Result 70 states and 116 transitions. [2023-12-16 14:03:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 14:03:53,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2023-12-16 14:03:53,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:03:53,622 INFO L225 Difference]: With dead ends: 70 [2023-12-16 14:03:53,622 INFO L226 Difference]: Without dead ends: 34 [2023-12-16 14:03:53,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 14:03:53,628 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 14:03:53,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 14:03:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-12-16 14:03:53,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-12-16 14:03:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 14:03:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2023-12-16 14:03:53,660 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 46 transitions. Word has length 66 [2023-12-16 14:03:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:03:53,661 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 46 transitions. [2023-12-16 14:03:53,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-16 14:03:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-12-16 14:03:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 14:03:53,665 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:03:53,666 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:53,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 14:03:53,869 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 14:03:53,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:03:53,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:03:53,871 INFO L85 PathProgramCache]: Analyzing trace with hash -982551638, now seen corresponding path program 1 times [2023-12-16 14:03:53,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:03:53,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444546680] [2023-12-16 14:03:53,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:03:53,872 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 14:03:53,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:03:53,876 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 14:03:53,891 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 14:03:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:03:53,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 14:03:53,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:03:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-16 14:03:54,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:03:54,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:03:54,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444546680] [2023-12-16 14:03:54,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444546680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:03:54,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:03:54,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 14:03:54,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991421863] [2023-12-16 14:03:54,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:03:54,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 14:03:54,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:03:54,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 14:03:54,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 14:03:54,158 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-16 14:03:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:03:54,267 INFO L93 Difference]: Finished difference Result 52 states and 68 transitions. [2023-12-16 14:03:54,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 14:03:54,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2023-12-16 14:03:54,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:03:54,269 INFO L225 Difference]: With dead ends: 52 [2023-12-16 14:03:54,269 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 14:03:54,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 14:03:54,271 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 40 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 14:03:54,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 146 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 14:03:54,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 14:03:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 14:03:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 14:03:54,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 14:03:54,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2023-12-16 14:03:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:03:54,273 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 14:03:54,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-16 14:03:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 14:03:54,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 14:03:54,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 14:03:54,280 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 14:03:54,480 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 14:03:54,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 14:03:54,504 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 37) no Hoare annotation was computed. [2023-12-16 14:03:54,504 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-16 14:03:54,504 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-16 14:03:54,504 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-16 14:03:54,504 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-16 14:03:54,504 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 52) no Hoare annotation was computed. [2023-12-16 14:03:54,504 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 40 52) no Hoare annotation was computed. [2023-12-16 14:03:54,504 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (= ~var_1_10~0 ~var_1_11~0) [2023-12-16 14:03:54,504 INFO L895 garLoopResultBuilder]: At program point L69-1(line 69) the Hoare annotation is: (= ~var_1_10~0 ~var_1_11~0) [2023-12-16 14:03:54,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-16 14:03:54,505 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-12-16 14:03:54,505 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-12-16 14:03:54,505 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 49) no Hoare annotation was computed. [2023-12-16 14:03:54,505 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-12-16 14:03:54,505 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (= ~var_1_10~0 ~var_1_11~0) [2023-12-16 14:03:54,505 INFO L895 garLoopResultBuilder]: At program point L66-1(line 66) the Hoare annotation is: (= ~var_1_10~0 ~var_1_11~0) [2023-12-16 14:03:54,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 14:03:54,505 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 62) no Hoare annotation was computed. [2023-12-16 14:03:54,505 INFO L902 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: true [2023-12-16 14:03:54,505 INFO L902 garLoopResultBuilder]: At program point L75-1(line 75) the Hoare annotation is: true [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 63) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L895 garLoopResultBuilder]: At program point L92-2(lines 92 98) the Hoare annotation is: (= ~var_1_10~0 ~var_1_11~0) [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point L92-3(lines 92 98) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L902 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: true [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 64 81) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-12-16 14:03:54,506 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (= ~var_1_10~0 ~var_1_11~0) [2023-12-16 14:03:54,507 INFO L895 garLoopResultBuilder]: At program point L72-1(line 72) the Hoare annotation is: (= ~var_1_10~0 ~var_1_11~0) [2023-12-16 14:03:54,507 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2023-12-16 14:03:54,507 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-16 14:03:54,507 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-16 14:03:54,507 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-16 14:03:54,507 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-16 14:03:54,509 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 14:03:54,510 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 14:03:54,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:03:54 BoogieIcfgContainer [2023-12-16 14:03:54,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 14:03:54,516 INFO L158 Benchmark]: Toolchain (without parser) took 1714.52ms. Allocated memory is still 257.9MB. Free memory was 205.5MB in the beginning and 216.1MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 14:03:54,516 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 211.8MB. Free memory was 161.8MB in the beginning and 161.6MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 14:03:54,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.80ms. Allocated memory is still 257.9MB. Free memory was 205.2MB in the beginning and 192.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 14:03:54,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.64ms. Allocated memory is still 257.9MB. Free memory was 192.2MB in the beginning and 190.3MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-16 14:03:54,517 INFO L158 Benchmark]: Boogie Preprocessor took 30.98ms. Allocated memory is still 257.9MB. Free memory was 190.3MB in the beginning and 188.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 14:03:54,517 INFO L158 Benchmark]: RCFGBuilder took 267.10ms. Allocated memory is still 257.9MB. Free memory was 187.7MB in the beginning and 172.2MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 14:03:54,517 INFO L158 Benchmark]: TraceAbstraction took 1202.63ms. Allocated memory is still 257.9MB. Free memory was 171.7MB in the beginning and 216.1MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 14:03:54,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 211.8MB. Free memory was 161.8MB in the beginning and 161.6MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 180.80ms. Allocated memory is still 257.9MB. Free memory was 205.2MB in the beginning and 192.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.64ms. Allocated memory is still 257.9MB. Free memory was 192.2MB in the beginning and 190.3MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.98ms. Allocated memory is still 257.9MB. Free memory was 190.3MB in the beginning and 188.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 267.10ms. Allocated memory is still 257.9MB. Free memory was 187.7MB in the beginning and 172.2MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1202.63ms. Allocated memory is still 257.9MB. Free memory was 171.7MB in the beginning and 216.1MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 100 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 37 PreInvPairs, 55 NumberOfFragments, 26 HoareAnnotationTreeSize, 37 FormulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FormulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 8 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 360/360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (var_1_10 == var_1_11) RESULT: Ultimate proved your program to be correct! [2023-12-16 14:03:54,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...