/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:42:07,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:42:07,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:42:07,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:42:07,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:42:07,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:42:07,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:42:07,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:42:07,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:42:07,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:42:07,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:42:07,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:42:07,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:42:07,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:42:07,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:42:07,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:42:07,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:42:07,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:42:08,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:42:08,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:42:08,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:42:08,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:42:08,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:42:08,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:42:08,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 03:42:08,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 03:42:08,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 03:42:08,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 03:42:08,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 03:42:08,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 03:42:08,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 03:42:08,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 03:42:08,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 03:42:08,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:42:08,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:42:08,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:42:08,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:42:08,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:42:08,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:42:08,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:42:08,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:42:08,141 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:42:08,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:42:08,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:42:08,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:42:08,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:42:08,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:42:08,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:42:08,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:42:08,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:42:08,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:42:08,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:42:08,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:42:08,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:42:08,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:42:08,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:42:08,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:42:08,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:42:08,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:42:08,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:42:08,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:42:08,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:42:08,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:42:08,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:42:08,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:42:08,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:42:08,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:42:08,635 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:42:08,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2020-12-22 03:42:08,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720477f35/5e8dab98a7f14851abb24f24d2b15cd7/FLAGef2fcc191 [2020-12-22 03:42:09,242 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:42:09,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2020-12-22 03:42:09,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720477f35/5e8dab98a7f14851abb24f24d2b15cd7/FLAGef2fcc191 [2020-12-22 03:42:09,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720477f35/5e8dab98a7f14851abb24f24d2b15cd7 [2020-12-22 03:42:09,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:42:09,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:42:09,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:42:09,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:42:09,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:42:09,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:42:09" (1/1) ... [2020-12-22 03:42:09,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8082ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:09, skipping insertion in model container [2020-12-22 03:42:09,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:42:09" (1/1) ... [2020-12-22 03:42:09,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:42:09,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:42:09,955 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c[1494,1507] [2020-12-22 03:42:09,985 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c[2698,2711] [2020-12-22 03:42:09,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:42:10,020 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:42:10,064 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c[1494,1507] [2020-12-22 03:42:10,079 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c[2698,2711] [2020-12-22 03:42:10,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:42:10,116 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:42:10,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10 WrapperNode [2020-12-22 03:42:10,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:42:10,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:42:10,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:42:10,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:42:10,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:42:10,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:42:10,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:42:10,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:42:10,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... [2020-12-22 03:42:10,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:42:10,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:42:10,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:42:10,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:42:10,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:42:10,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:42:10,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:42:10,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:42:10,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:42:10,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:42:10,690 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 03:42:10,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:42:10 BoogieIcfgContainer [2020-12-22 03:42:10,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:42:10,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:42:10,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:42:10,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:42:10,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:42:09" (1/3) ... [2020-12-22 03:42:10,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42aa2bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:42:10, skipping insertion in model container [2020-12-22 03:42:10,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:10" (2/3) ... [2020-12-22 03:42:10,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42aa2bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:42:10, skipping insertion in model container [2020-12-22 03:42:10,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:42:10" (3/3) ... [2020-12-22 03:42:10,702 INFO L111 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c.v+lhb-reducer.c [2020-12-22 03:42:10,712 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:42:10,719 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-22 03:42:10,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-22 03:42:10,812 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:42:10,812 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:42:10,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:42:10,813 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:42:10,813 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:42:10,813 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:42:10,813 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:42:10,813 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:42:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-12-22 03:42:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 03:42:10,872 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:42:10,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:42:10,877 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:42:10,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:42:10,892 INFO L82 PathProgramCache]: Analyzing trace with hash 346658074, now seen corresponding path program 1 times [2020-12-22 03:42:10,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:42:10,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308455439] [2020-12-22 03:42:10,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:42:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:42:11,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:42:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:42:11,113 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:42:11,144 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 03:42:11,145 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 03:42:11,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 03:42:11,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:42:11 BoogieIcfgContainer [2020-12-22 03:42:11,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:42:11,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:42:11,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:42:11,191 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:42:11,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:42:10" (3/4) ... [2020-12-22 03:42:11,195 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 03:42:11,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:42:11,198 INFO L168 Benchmark]: Toolchain (without parser) took 1603.49 ms. Allocated memory is still 163.6 MB. Free memory was 123.3 MB in the beginning and 111.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 8.0 GB. [2020-12-22 03:42:11,199 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 163.6 MB. Free memory is still 139.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:42:11,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.57 ms. Allocated memory is still 163.6 MB. Free memory was 123.0 MB in the beginning and 140.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:42:11,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.08 ms. Allocated memory is still 163.6 MB. Free memory was 140.6 MB in the beginning and 139.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:42:11,202 INFO L168 Benchmark]: Boogie Preprocessor took 77.34 ms. Allocated memory is still 163.6 MB. Free memory was 139.0 MB in the beginning and 145.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:42:11,203 INFO L168 Benchmark]: RCFGBuilder took 429.89 ms. Allocated memory is still 163.6 MB. Free memory was 145.8 MB in the beginning and 126.1 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 03:42:11,204 INFO L168 Benchmark]: TraceAbstraction took 495.93 ms. Allocated memory is still 163.6 MB. Free memory was 125.6 MB in the beginning and 111.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-22 03:42:11,205 INFO L168 Benchmark]: Witness Printer took 4.97 ms. Allocated memory is still 163.6 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:42:11,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 163.6 MB. Free memory is still 139.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 522.57 ms. Allocated memory is still 163.6 MB. Free memory was 123.0 MB in the beginning and 140.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 60.08 ms. Allocated memory is still 163.6 MB. Free memory was 140.6 MB in the beginning and 139.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 77.34 ms. Allocated memory is still 163.6 MB. Free memory was 139.0 MB in the beginning and 145.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 429.89 ms. Allocated memory is still 163.6 MB. Free memory was 145.8 MB in the beginning and 126.1 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 495.93 ms. Allocated memory is still 163.6 MB. Free memory was 125.6 MB in the beginning and 111.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Witness Printer took 4.97 ms. Allocated memory is still 163.6 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 [__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 [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=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 [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L31] COND TRUE main__X >= -128.0 VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L33] COND TRUE main__X <= 128.0 [L35] main____CPAchecker_TMP_0 = 1 VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L36] COND TRUE main____CPAchecker_TMP_0 != 0 [L38] int main____CPAchecker_TMP_1; VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L39] COND TRUE main__D >= 0.0 VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L41] COND TRUE main__D <= 16.0 [L43] main____CPAchecker_TMP_1 = 1 VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [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 [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L49] COND TRUE main__R <= (-main__D) [L51] main__Y = main__S - main__D VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L53] int main____CPAchecker_TMP_2; VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L54] COND FALSE !(main__Y >= -129.0) VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L205] main____CPAchecker_TMP_2 = 0 VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L61] int __tmp_1; [L62] __tmp_1 = main____CPAchecker_TMP_2 [L63] int __VERIFIER_assert__cond; [L64] __VERIFIER_assert__cond = __tmp_1 VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L65] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L67] reach_error() VAL [__return_165=0, __return_main=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=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, 16 NumberOfCodeBlocks, 16 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 Received shutdown request...