./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/Rump_float.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 02:23:07,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 02:23:07,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 02:23:08,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 02:23:08,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 02:23:08,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 02:23:08,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 02:23:08,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 02:23:08,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 02:23:08,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 02:23:08,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 02:23:08,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 02:23:08,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 02:23:08,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 02:23:08,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 02:23:08,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 02:23:08,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 02:23:08,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 02:23:08,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 02:23:08,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 02:23:08,029 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 02:23:08,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 02:23:08,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 02:23:08,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 02:23:08,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 02:23:08,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 02:23:08,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 02:23:08,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 02:23:08,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 02:23:08,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 02:23:08,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 02:23:08,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 02:23:08,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 02:23:08,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 02:23:08,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 02:23:08,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 02:23:08,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 02:23:08,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 02:23:08,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 02:23:08,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 02:23:08,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 02:23:08,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 02:23:08,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 02:23:08,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 02:23:08,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 02:23:08,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 02:23:08,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 02:23:08,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 02:23:08,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 02:23:08,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 02:23:08,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 02:23:08,089 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 02:23:08,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 02:23:08,090 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 02:23:08,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 02:23:08,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 02:23:08,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 02:23:08,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 02:23:08,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 02:23:08,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 02:23:08,091 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 02:23:08,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 02:23:08,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 02:23:08,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 02:23:08,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 02:23:08,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 02:23:08,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 02:23:08,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:23:08,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 02:23:08,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 02:23:08,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 02:23:08,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 02:23:08,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 02:23:08,094 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 02:23:08,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 02:23:08,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 02:23:08,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2022-07-12 02:23:08,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 02:23:08,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 02:23:08,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 02:23:08,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 02:23:08,352 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 02:23:08,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-12 02:23:08,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54229d1fb/433f05df4973465186fd5bcdf7474449/FLAG6d975ede3 [2022-07-12 02:23:08,906 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 02:23:08,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-12 02:23:08,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54229d1fb/433f05df4973465186fd5bcdf7474449/FLAG6d975ede3 [2022-07-12 02:23:09,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54229d1fb/433f05df4973465186fd5bcdf7474449 [2022-07-12 02:23:09,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 02:23:09,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 02:23:09,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 02:23:09,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 02:23:09,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 02:23:09,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af9e515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09, skipping insertion in model container [2022-07-12 02:23:09,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 02:23:09,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 02:23:09,488 WARN L230 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/Rump_float.c[338,351] [2022-07-12 02:23:09,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:23:09,521 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 02:23:09,530 WARN L230 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/Rump_float.c[338,351] [2022-07-12 02:23:09,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:23:09,549 INFO L208 MainTranslator]: Completed translation [2022-07-12 02:23:09,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09 WrapperNode [2022-07-12 02:23:09,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 02:23:09,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 02:23:09,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 02:23:09,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 02:23:09,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,583 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-07-12 02:23:09,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 02:23:09,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 02:23:09,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 02:23:09,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 02:23:09,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 02:23:09,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 02:23:09,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 02:23:09,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 02:23:09,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (1/1) ... [2022-07-12 02:23:09,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:23:09,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 02:23:09,641 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) [2022-07-12 02:23:09,643 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 [2022-07-12 02:23:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 02:23:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 02:23:09,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 02:23:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 02:23:09,709 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 02:23:09,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 02:23:09,774 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 02:23:09,779 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 02:23:09,779 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 02:23:09,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:23:09 BoogieIcfgContainer [2022-07-12 02:23:09,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 02:23:09,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 02:23:09,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 02:23:09,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 02:23:09,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:23:09" (1/3) ... [2022-07-12 02:23:09,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730c5899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:23:09, skipping insertion in model container [2022-07-12 02:23:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:09" (2/3) ... [2022-07-12 02:23:09,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730c5899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:23:09, skipping insertion in model container [2022-07-12 02:23:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:23:09" (3/3) ... [2022-07-12 02:23:09,794 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2022-07-12 02:23:09,807 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 02:23:09,808 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 02:23:09,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 02:23:09,862 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@536fe377, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1ec1874c [2022-07-12 02:23:09,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 02:23:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:23:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-12 02:23:09,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:23:09,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-12 02:23:09,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:23:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:23:09,893 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-12 02:23:09,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 02:23:09,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755649929] [2022-07-12 02:23:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:23:09,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 02:23:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 02:23:10,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 02:23:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 02:23:10,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 02:23:10,062 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 02:23:10,063 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 02:23:10,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 02:23:10,070 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-12 02:23:10,074 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 02:23:10,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 02:23:10 BoogieIcfgContainer [2022-07-12 02:23:10,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 02:23:10,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 02:23:10,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 02:23:10,096 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 02:23:10,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:23:09" (3/4) ... [2022-07-12 02:23:10,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 02:23:10,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 02:23:10,101 INFO L158 Benchmark]: Toolchain (without parser) took 769.14ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 55.3MB in the beginning and 72.9MB in the end (delta: -17.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-07-12 02:23:10,102 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:23:10,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.05ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 55.0MB in the beginning and 97.3MB in the end (delta: -42.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 02:23:10,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.13ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 02:23:10,110 INFO L158 Benchmark]: Boogie Preprocessor took 16.89ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 95.2MB in the end (delta: 682.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:23:10,110 INFO L158 Benchmark]: RCFGBuilder took 178.78ms. Allocated memory is still 121.6MB. Free memory was 95.2MB in the beginning and 86.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 02:23:10,112 INFO L158 Benchmark]: TraceAbstraction took 309.84ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 72.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 02:23:10,112 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 121.6MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:23:10,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.05ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 55.0MB in the beginning and 97.3MB in the end (delta: -42.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.13ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.89ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 95.2MB in the end (delta: 682.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 178.78ms. Allocated memory is still 121.6MB. Free memory was 95.2MB in the beginning and 86.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 309.84ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 72.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 121.6MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 6]: 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 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 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, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 4 NumberOfCodeBlocks, 4 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 [2022-07-12 02:23:10,162 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/Rump_float.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 02:23:12,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 02:23:12,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 02:23:12,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 02:23:12,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 02:23:12,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 02:23:12,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 02:23:12,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 02:23:12,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 02:23:12,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 02:23:12,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 02:23:12,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 02:23:12,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 02:23:12,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 02:23:12,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 02:23:12,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 02:23:12,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 02:23:12,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 02:23:12,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 02:23:12,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 02:23:12,214 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 02:23:12,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 02:23:12,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 02:23:12,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 02:23:12,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 02:23:12,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 02:23:12,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 02:23:12,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 02:23:12,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 02:23:12,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 02:23:12,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 02:23:12,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 02:23:12,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 02:23:12,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 02:23:12,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 02:23:12,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 02:23:12,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 02:23:12,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 02:23:12,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 02:23:12,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 02:23:12,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 02:23:12,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 02:23:12,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 02:23:12,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 02:23:12,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 02:23:12,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 02:23:12,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 02:23:12,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 02:23:12,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 02:23:12,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 02:23:12,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 02:23:12,274 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 02:23:12,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 02:23:12,275 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 02:23:12,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 02:23:12,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 02:23:12,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 02:23:12,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 02:23:12,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 02:23:12,277 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 02:23:12,277 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 02:23:12,277 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 02:23:12,277 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 02:23:12,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 02:23:12,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 02:23:12,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 02:23:12,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 02:23:12,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 02:23:12,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 02:23:12,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:23:12,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 02:23:12,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 02:23:12,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 02:23:12,280 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 02:23:12,280 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 02:23:12,280 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 02:23:12,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 02:23:12,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 02:23:12,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 02:23:12,281 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2022-07-12 02:23:12,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 02:23:12,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 02:23:12,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 02:23:12,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 02:23:12,657 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 02:23:12,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-12 02:23:12,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4503c78/d7b899f809ad4f88909ea0345477613b/FLAG2630a17e0 [2022-07-12 02:23:13,169 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 02:23:13,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-12 02:23:13,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4503c78/d7b899f809ad4f88909ea0345477613b/FLAG2630a17e0 [2022-07-12 02:23:13,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4503c78/d7b899f809ad4f88909ea0345477613b [2022-07-12 02:23:13,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 02:23:13,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 02:23:13,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 02:23:13,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 02:23:13,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 02:23:13,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1606c4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13, skipping insertion in model container [2022-07-12 02:23:13,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 02:23:13,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 02:23:13,386 WARN L230 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/Rump_float.c[338,351] [2022-07-12 02:23:13,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:23:13,418 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 02:23:13,432 WARN L230 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/Rump_float.c[338,351] [2022-07-12 02:23:13,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:23:13,500 INFO L208 MainTranslator]: Completed translation [2022-07-12 02:23:13,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13 WrapperNode [2022-07-12 02:23:13,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 02:23:13,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 02:23:13,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 02:23:13,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 02:23:13,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,543 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-07-12 02:23:13,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 02:23:13,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 02:23:13,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 02:23:13,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 02:23:13,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 02:23:13,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 02:23:13,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 02:23:13,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 02:23:13,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (1/1) ... [2022-07-12 02:23:13,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:23:13,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 02:23:13,624 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) [2022-07-12 02:23:13,649 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 [2022-07-12 02:23:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 02:23:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 02:23:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 02:23:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 02:23:13,736 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 02:23:13,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 02:23:16,192 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 02:23:16,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 02:23:16,197 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 02:23:16,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:23:16 BoogieIcfgContainer [2022-07-12 02:23:16,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 02:23:16,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 02:23:16,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 02:23:16,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 02:23:16,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:23:13" (1/3) ... [2022-07-12 02:23:16,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4389f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:23:16, skipping insertion in model container [2022-07-12 02:23:16,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:23:13" (2/3) ... [2022-07-12 02:23:16,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4389f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:23:16, skipping insertion in model container [2022-07-12 02:23:16,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:23:16" (3/3) ... [2022-07-12 02:23:16,208 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2022-07-12 02:23:16,221 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 02:23:16,222 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 02:23:16,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 02:23:16,300 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@cf7d8d3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@8de71d6 [2022-07-12 02:23:16,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 02:23:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:23:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-12 02:23:16,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:23:16,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-12 02:23:16,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:23:16,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:23:16,324 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-12 02:23:16,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:23:16,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417077471] [2022-07-12 02:23:16,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:23:16,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:23:16,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:23:16,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 02:23:16,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 02:23:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:23:17,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 02:23:17,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:23:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:23:18,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:23:18,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:23:18,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417077471] [2022-07-12 02:23:18,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417077471] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:23:18,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:23:18,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 02:23:18,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656253069] [2022-07-12 02:23:18,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:23:18,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 02:23:18,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:23:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 02:23:18,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 02:23:18,267 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:23:20,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:23:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:23:21,297 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-07-12 02:23:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 02:23:21,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-07-12 02:23:21,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:23:21,310 INFO L225 Difference]: With dead ends: 13 [2022-07-12 02:23:21,310 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 02:23:21,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 02:23:21,316 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 02:23:21,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 02:23:21,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 02:23:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 02:23:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:23:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 02:23:21,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-07-12 02:23:21,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:23:21,343 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 02:23:21,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:23:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 02:23:21,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 02:23:21,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 02:23:21,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 02:23:21,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:23:21,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 02:23:21,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 02:23:21,615 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 02:23:21,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 02:23:21,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 02:23:21,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2022-07-12 02:23:21,616 INFO L895 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-12 02:23:21,616 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-07-12 02:23:21,616 INFO L899 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2022-07-12 02:23:21,616 INFO L895 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-12 02:23:21,619 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-12 02:23:21,621 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 02:23:21,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 02:23:21 BoogieIcfgContainer [2022-07-12 02:23:21,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 02:23:21,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 02:23:21,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 02:23:21,634 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 02:23:21,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:23:16" (3/4) ... [2022-07-12 02:23:21,638 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 02:23:21,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 02:23:21,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 02:23:21,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 02:23:21,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 02:23:21,674 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 02:23:21,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 02:23:21,676 INFO L158 Benchmark]: Toolchain (without parser) took 8469.36ms. Allocated memory is still 56.6MB. Free memory was 42.1MB in the beginning and 33.1MB in the end (delta: 9.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-07-12 02:23:21,676 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:23:21,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.69ms. Allocated memory is still 56.6MB. Free memory was 41.8MB in the beginning and 40.5MB in the end (delta: 1.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 02:23:21,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.97ms. Allocated memory is still 56.6MB. Free memory was 40.4MB in the beginning and 38.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:23:21,677 INFO L158 Benchmark]: Boogie Preprocessor took 41.74ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 37.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:23:21,678 INFO L158 Benchmark]: RCFGBuilder took 2610.38ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 29.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 02:23:21,678 INFO L158 Benchmark]: TraceAbstraction took 5431.43ms. Allocated memory is still 56.6MB. Free memory was 29.1MB in the beginning and 35.4MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:23:21,679 INFO L158 Benchmark]: Witness Printer took 41.06ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 33.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 02:23:21,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.69ms. Allocated memory is still 56.6MB. Free memory was 41.8MB in the beginning and 40.5MB in the end (delta: 1.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.97ms. Allocated memory is still 56.6MB. Free memory was 40.4MB in the beginning and 38.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.74ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 37.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2610.38ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 29.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5431.43ms. Allocated memory is still 56.6MB. Free memory was 29.1MB in the beginning and 35.4MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.06ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 33.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2022-07-12 02:23:21,908 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-12 02:23:21,950 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE