/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 07:08:27,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 07:08:27,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 07:08:27,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 07:08:27,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 07:08:27,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 07:08:27,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 07:08:27,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 07:08:27,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 07:08:27,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 07:08:27,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 07:08:27,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 07:08:27,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 07:08:27,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 07:08:27,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 07:08:27,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 07:08:27,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 07:08:27,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 07:08:27,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 07:08:27,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 07:08:27,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-01-31 07:08:27,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 07:08:27,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 07:08:27,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-31 07:08:27,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-31 07:08:27,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-31 07:08:27,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-31 07:08:27,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-31 07:08:27,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-31 07:08:27,819 INFO L138 SettingsManager]: * Use SBE=true [2022-01-31 07:08:27,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 07:08:27,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 07:08:27,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 07:08:27,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 07:08:27,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 07:08:27,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 07:08:27,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 07:08:27,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 07:08:27,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 07:08:27,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 07:08:27,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 07:08:27,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 07:08:27,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 07:08:27,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 07:08:27,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 07:08:27,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 07:08:27,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 07:08:27,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-31 07:08:27,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-31 07:08:27,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 07:08:27,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-31 07:08:27,823 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-31 07:08:27,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-31 07:08:27,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 07:08:27,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 07:08:28,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 07:08:28,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 07:08:28,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 07:08:28,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 07:08:28,056 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 07:08:28,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2022-01-31 07:08:28,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a0f7d2f3/517e0b6111dc498399099591ebe8d547/FLAG2410aa472 [2022-01-31 07:08:28,497 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 07:08:28,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2022-01-31 07:08:28,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a0f7d2f3/517e0b6111dc498399099591ebe8d547/FLAG2410aa472 [2022-01-31 07:08:28,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a0f7d2f3/517e0b6111dc498399099591ebe8d547 [2022-01-31 07:08:28,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 07:08:28,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 07:08:28,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 07:08:28,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 07:08:28,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 07:08:28,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28339985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28, skipping insertion in model container [2022-01-31 07:08:28,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 07:08:28,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 07:08:28,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2022-01-31 07:08:28,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2022-01-31 07:08:28,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 07:08:28,706 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 07:08:28,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2022-01-31 07:08:28,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2022-01-31 07:08:28,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 07:08:28,754 INFO L208 MainTranslator]: Completed translation [2022-01-31 07:08:28,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28 WrapperNode [2022-01-31 07:08:28,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 07:08:28,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 07:08:28,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 07:08:28,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 07:08:28,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 07:08:28,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 07:08:28,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 07:08:28,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 07:08:28,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (1/1) ... [2022-01-31 07:08:28,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 07:08:28,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 07:08:28,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 07:08:28,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 07:08:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 07:08:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 07:08:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 07:08:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 07:08:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 07:08:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 07:08:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 07:08:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 07:08:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 07:08:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 07:08:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 07:08:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 07:08:28,954 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 07:08:28,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 07:08:29,193 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 07:08:29,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 07:08:29,199 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-31 07:08:29,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:08:29 BoogieIcfgContainer [2022-01-31 07:08:29,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 07:08:29,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 07:08:29,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 07:08:29,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 07:08:29,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 07:08:28" (1/3) ... [2022-01-31 07:08:29,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b15fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:08:29, skipping insertion in model container [2022-01-31 07:08:29,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:28" (2/3) ... [2022-01-31 07:08:29,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b15fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:08:29, skipping insertion in model container [2022-01-31 07:08:29,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:08:29" (3/3) ... [2022-01-31 07:08:29,209 INFO L111 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c.v+nlh-reducer.c [2022-01-31 07:08:29,215 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-31 07:08:29,215 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-31 07:08:29,260 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 07:08:29,268 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 07:08:29,269 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-31 07:08:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 42 states have (on average 1.619047619047619) internal successors, (68), 44 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 07:08:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-31 07:08:29,287 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 07:08:29,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 07:08:29,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 07:08:29,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 07:08:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash 483712292, now seen corresponding path program 1 times [2022-01-31 07:08:29,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 07:08:29,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652332630] [2022-01-31 07:08:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 07:08:29,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 07:08:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 07:08:29,388 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 07:08:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 07:08:29,441 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 07:08:29,443 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 07:08:29,444 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-31 07:08:29,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-31 07:08:29,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 07:08:29,449 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-31 07:08:29,451 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 07:08:29,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 07:08:29 BoogieIcfgContainer [2022-01-31 07:08:29,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 07:08:29,517 INFO L158 Benchmark]: Toolchain (without parser) took 994.80ms. Allocated memory was 185.6MB in the beginning and 255.9MB in the end (delta: 70.3MB). Free memory was 128.3MB in the beginning and 195.5MB in the end (delta: -67.3MB). Peak memory consumption was 1.8MB. Max. memory is 8.0GB. [2022-01-31 07:08:29,518 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 07:08:29,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.88ms. Allocated memory was 185.6MB in the beginning and 255.9MB in the end (delta: 70.3MB). Free memory was 128.1MB in the beginning and 227.5MB in the end (delta: -99.4MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2022-01-31 07:08:29,519 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 255.9MB. Free memory was 227.5MB in the beginning and 226.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 07:08:29,520 INFO L158 Benchmark]: RCFGBuilder took 412.52ms. Allocated memory is still 255.9MB. Free memory was 226.0MB in the beginning and 211.8MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-31 07:08:29,520 INFO L158 Benchmark]: TraceAbstraction took 304.43ms. Allocated memory is still 255.9MB. Free memory was 211.3MB in the beginning and 195.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-31 07:08:29,522 INFO L339 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 185.6MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 230.88ms. Allocated memory was 185.6MB in the beginning and 255.9MB in the end (delta: 70.3MB). Free memory was 128.1MB in the beginning and 227.5MB in the end (delta: -99.4MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 255.9MB. Free memory was 227.5MB in the beginning and 226.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 412.52ms. Allocated memory is still 255.9MB. Free memory was 226.0MB in the beginning and 211.8MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 304.43ms. Allocated memory is still 255.9MB. Free memory was 211.3MB in the beginning and 195.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 70]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of to_real at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L1] int __return_main; [L12] int __tmp_160_0; [L13] int __tmp_160_1; [L14] int __tmp_160_2; [L15] int __tmp_142_0; [L16] int __tmp_142_1; [L17] int __tmp_136_0; [L18] int __return_165; VAL [\old(__return_165)=52, \old(__return_main)=60, \old(__tmp_136_0)=50, \old(__tmp_142_0)=55, \old(__tmp_142_1)=59, \old(__tmp_160_0)=61, \old(__tmp_160_1)=56, \old(__tmp_160_2)=57, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L21] float main__X; [L22] float main__Y; [L23] float main__S; [L24] float main__R; [L25] float main__D; [L26] int main__i; [L27] main__Y = 0 [L28] main__i = 0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__i=0] [L29] COND TRUE main__i < 100000 [L31] main__X = __VERIFIER_nondet_float() [L32] main__D = __VERIFIER_nondet_float() [L33] int main____CPAchecker_TMP_0; VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__D=53, main__i=0, main__X=51] [L34] COND TRUE main__X >= -128.0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__D=53, main__i=0, main__X=51] [L36] COND TRUE main__X <= 128.0 [L38] main____CPAchecker_TMP_0 = 1 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=53, main__i=0, main__X=51] [L39] COND TRUE main____CPAchecker_TMP_0 != 0 [L41] int main____CPAchecker_TMP_1; VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=53, main__i=0, main__X=51] [L42] COND TRUE main__D >= 0.0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=53, main__i=0, main__X=51] [L44] COND TRUE main__D <= 16.0 [L46] main____CPAchecker_TMP_1 = 1 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=53, main__i=0, main__X=51] [L47] COND TRUE main____CPAchecker_TMP_1 != 0 [L49] main__S = main__Y [L50] main__Y = main__X [L51] main__R = main__X - main__S VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=53, main__i=0, main__S=49, main__X=51, main__Y=51] [L52] COND TRUE main__R <= (-main__D) [L54] main__Y = main__S - main__D VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=53, main__i=0, main__S=49, main__X=51] [L56] int main____CPAchecker_TMP_2; VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=53, main__i=0, main__S=49, main__X=51] [L57] COND FALSE !(main__Y >= -129.0) VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=53, main__i=0, main__S=49, main__X=51] [L216] main____CPAchecker_TMP_2 = 0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=53, main__i=0, main__S=49, main__X=51] [L64] int __tmp_1; [L65] __tmp_1 = main____CPAchecker_TMP_2 [L66] int __VERIFIER_assert__cond; [L67] __VERIFIER_assert__cond = __tmp_1 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_1=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=53, main__i=0, main__S=49, main__X=51] [L68] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_1=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=53, main__i=0, main__S=49, main__X=51] [L70] reach_error() VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_1=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=53, main__i=0, main__S=49, main__X=51] - UnprovableResult [Line: 126]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-31 07:08:29,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...