/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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 07:08:25,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 07:08:25,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 07:08:25,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 07:08:25,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 07:08:25,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 07:08:25,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 07:08:25,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 07:08:25,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 07:08:25,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 07:08:25,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 07:08:25,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 07:08:25,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 07:08:25,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 07:08:25,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 07:08:25,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 07:08:25,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 07:08:25,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 07:08:25,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 07:08:25,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 07:08:25,793 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 07:08:25,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 07:08:25,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 07:08:25,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-31 07:08:25,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-31 07:08:25,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-31 07:08:25,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-31 07:08:25,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-31 07:08:25,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-31 07:08:25,815 INFO L138 SettingsManager]: * Use SBE=true [2022-01-31 07:08:25,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 07:08:25,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 07:08:25,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 07:08:25,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 07:08:25,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 07:08:25,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 07:08:25,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-31 07:08:25,822 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-31 07:08:25,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 07:08:25,823 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 07:08:26,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 07:08:26,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 07:08:26,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 07:08:26,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 07:08:26,033 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 07:08:26,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2022-01-31 07:08:26,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e16906b9/113cfe1a6d9c4a50aae220f7ef708e04/FLAG58d7f769f [2022-01-31 07:08:26,420 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 07:08:26,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2022-01-31 07:08:26,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e16906b9/113cfe1a6d9c4a50aae220f7ef708e04/FLAG58d7f769f [2022-01-31 07:08:26,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e16906b9/113cfe1a6d9c4a50aae220f7ef708e04 [2022-01-31 07:08:26,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 07:08:26,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 07:08:26,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 07:08:26,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 07:08:26,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 07:08:26,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:08:26" (1/1) ... [2022-01-31 07:08:26,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0a447a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:26, skipping insertion in model container [2022-01-31 07:08:26,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:08:26" (1/1) ... [2022-01-31 07:08:26,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 07:08:26,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 07:08:26,980 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+lhb-reducer.c[1494,1507] [2022-01-31 07:08:27,002 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+lhb-reducer.c[2698,2711] [2022-01-31 07:08:27,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 07:08:27,011 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 07:08:27,030 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+lhb-reducer.c[1494,1507] [2022-01-31 07:08:27,033 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+lhb-reducer.c[2698,2711] [2022-01-31 07:08:27,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 07:08:27,052 INFO L208 MainTranslator]: Completed translation [2022-01-31 07:08:27,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27 WrapperNode [2022-01-31 07:08:27,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 07:08:27,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 07:08:27,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 07:08:27,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 07:08:27,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 07:08:27,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 07:08:27,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 07:08:27,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 07:08:27,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (1/1) ... [2022-01-31 07:08:27,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 07:08:27,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 07:08:27,112 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 07:08:27,127 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 07:08:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 07:08:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 07:08:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 07:08:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 07:08:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 07:08:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 07:08:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 07:08:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 07:08:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 07:08:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 07:08:27,194 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 07:08:27,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 07:08:27,330 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 07:08:27,335 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 07:08:27,335 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-31 07:08:27,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:08:27 BoogieIcfgContainer [2022-01-31 07:08:27,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 07:08:27,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 07:08:27,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 07:08:27,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 07:08:27,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 07:08:26" (1/3) ... [2022-01-31 07:08:27,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407ea686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:08:27, skipping insertion in model container [2022-01-31 07:08:27,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:08:27" (2/3) ... [2022-01-31 07:08:27,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407ea686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:08:27, skipping insertion in model container [2022-01-31 07:08:27,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:08:27" (3/3) ... [2022-01-31 07:08:27,365 INFO L111 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c.v+lhb-reducer.c [2022-01-31 07:08:27,369 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-31 07:08:27,369 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-31 07:08:27,405 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 07:08:27,415 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 07:08:27,415 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-31 07:08:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 40 states have (on average 1.65) internal successors, (66), 42 states have internal predecessors, (66), 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 07:08:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-31 07:08:27,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 07:08:27,441 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 07:08:27,441 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 07:08:27,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 07:08:27,445 INFO L85 PathProgramCache]: Analyzing trace with hash 335522026, now seen corresponding path program 1 times [2022-01-31 07:08:27,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 07:08:27,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486179076] [2022-01-31 07:08:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 07:08:27,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 07:08:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 07:08:27,542 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 07:08:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 07:08:27,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 07:08:27,593 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 07:08:27,594 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-31 07:08:27,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-31 07:08:27,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 07:08:27,598 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-31 07:08:27,600 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 07:08:27,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 07:08:27 BoogieIcfgContainer [2022-01-31 07:08:27,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 07:08:27,631 INFO L158 Benchmark]: Toolchain (without parser) took 782.10ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 121.9MB in the beginning and 183.9MB in the end (delta: -62.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 07:08:27,632 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 07:08:27,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.13ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 121.8MB in the beginning and 214.9MB in the end (delta: -93.1MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-01-31 07:08:27,633 INFO L158 Benchmark]: Boogie Preprocessor took 33.84ms. Allocated memory is still 243.3MB. Free memory was 214.9MB in the beginning and 213.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 07:08:27,633 INFO L158 Benchmark]: RCFGBuilder took 248.43ms. Allocated memory is still 243.3MB. Free memory was 212.8MB in the beginning and 199.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-31 07:08:27,633 INFO L158 Benchmark]: TraceAbstraction took 292.01ms. Allocated memory is still 243.3MB. Free memory was 199.1MB in the beginning and 183.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-31 07:08:27,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.13ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 121.8MB in the beginning and 214.9MB in the end (delta: -93.1MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.84ms. Allocated memory is still 243.3MB. Free memory was 214.9MB in the beginning and 213.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 248.43ms. Allocated memory is still 243.3MB. Free memory was 212.8MB in the beginning and 199.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 292.01ms. Allocated memory is still 243.3MB. Free memory was 199.1MB in the beginning and 183.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. 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: 67]: 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 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of to_real at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 51. Possible FailurePath: [L1] int __return_main; [L12] int __tmp_160_0; [L13] int __tmp_160_1; [L14] int __tmp_160_2; [L15] int __return_165; VAL [\old(__return_165)=54, \old(__return_main)=56, \old(__tmp_160_0)=58, \old(__tmp_160_1)=50, \old(__tmp_160_2)=51, __return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L18] float main__X; [L19] float main__Y; [L20] float main__S; [L21] float main__R; [L22] float main__D; [L23] int main__i; [L24] main__Y = 0 [L25] main__i = 0 VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__i=0] [L26] COND TRUE main__i < 100000 [L28] main__X = __VERIFIER_nondet_float() [L29] main__D = __VERIFIER_nondet_float() [L30] int main____CPAchecker_TMP_0; VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__D=57, main__i=0, main__X=53] [L31] COND TRUE main__X >= -128.0 VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__D=57, main__i=0, main__X=53] [L33] COND TRUE main__X <= 128.0 [L35] main____CPAchecker_TMP_0 = 1 VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=57, main__i=0, main__X=53] [L36] COND TRUE main____CPAchecker_TMP_0 != 0 [L38] int main____CPAchecker_TMP_1; VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=57, main__i=0, main__X=53] [L39] COND TRUE main__D >= 0.0 VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=57, main__i=0, main__X=53] [L41] COND TRUE main__D <= 16.0 [L43] main____CPAchecker_TMP_1 = 1 VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=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=57, main__i=0, main__X=53] [L44] COND TRUE main____CPAchecker_TMP_1 != 0 [L46] main__S = main__Y [L47] main__Y = main__X [L48] main__R = main__X - main__S VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=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=57, main__i=0, main__S=52, main__X=53, main__Y=53] [L49] COND TRUE main__R <= (-main__D) [L51] main__Y = main__S - main__D VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=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=57, main__i=0, main__S=52, main__X=53] [L53] int main____CPAchecker_TMP_2; VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=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=57, main__i=0, main__S=52, main__X=53] [L54] COND FALSE !(main__Y >= -129.0) VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=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=57, main__i=0, main__S=52, main__X=53] [L205] main____CPAchecker_TMP_2 = 0 VAL [\old(__return_165)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=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=57, main__i=0, main__S=52, main__X=53] [L61] int __tmp_1; [L62] __tmp_1 = main____CPAchecker_TMP_2 [L63] int __VERIFIER_assert__cond; [L64] __VERIFIER_assert__cond = __tmp_1 VAL [\old(__return_165)=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_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=57, main__i=0, main__S=52, main__X=53] [L65] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_165)=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_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=57, main__i=0, main__S=52, main__X=53] [L67] reach_error() VAL [\old(__return_165)=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_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=57, main__i=0, main__S=52, main__X=53] - UnprovableResult [Line: 123]: 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, 54 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=47occurred 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 07:08:27,664 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...