./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/nan_float_range.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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/nan_float_range.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 188b463bddf1d83ecad723e2243b3ab1810c254e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/nan_float_range.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 188b463bddf1d83ecad723e2243b3ab1810c254e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 23:32:24,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 23:32:24,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 23:32:24,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 23:32:24,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 23:32:24,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 23:32:24,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 23:32:24,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 23:32:24,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 23:32:24,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 23:32:24,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 23:32:24,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 23:32:24,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 23:32:24,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 23:32:24,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 23:32:24,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 23:32:24,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 23:32:24,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 23:32:24,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 23:32:25,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 23:32:25,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 23:32:25,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 23:32:25,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 23:32:25,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 23:32:25,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 23:32:25,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 23:32:25,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 23:32:25,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 23:32:25,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 23:32:25,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 23:32:25,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 23:32:25,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 23:32:25,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 23:32:25,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 23:32:25,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 23:32:25,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 23:32:25,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 23:32:25,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 23:32:25,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 23:32:25,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 23:32:25,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 23:32:25,018 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-04 23:32:25,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 23:32:25,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 23:32:25,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 23:32:25,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 23:32:25,050 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 23:32:25,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 23:32:25,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 23:32:25,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-04 23:32:25,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 23:32:25,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 23:32:25,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 23:32:25,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 23:32:25,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 23:32:25,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 23:32:25,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 23:32:25,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 23:32:25,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 23:32:25,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 23:32:25,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 23:32:25,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 23:32:25,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:32:25,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 23:32:25,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 23:32:25,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 23:32:25,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-04 23:32:25,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-04 23:32:25,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 23:32:25,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 23:32:25,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 188b463bddf1d83ecad723e2243b3ab1810c254e [2021-07-04 23:32:25,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 23:32:25,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 23:32:25,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 23:32:25,351 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 23:32:25,352 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 23:32:25,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float_range.c [2021-07-04 23:32:25,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63bf6eb2/a42d61bcdc014dffafaba504fd9eca72/FLAG3bfdf6a87 [2021-07-04 23:32:25,751 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 23:32:25,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float_range.c [2021-07-04 23:32:25,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63bf6eb2/a42d61bcdc014dffafaba504fd9eca72/FLAG3bfdf6a87 [2021-07-04 23:32:25,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63bf6eb2/a42d61bcdc014dffafaba504fd9eca72 [2021-07-04 23:32:25,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 23:32:25,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 23:32:25,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 23:32:25,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 23:32:25,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 23:32:25,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:25,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735241db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25, skipping insertion in model container [2021-07-04 23:32:25,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:25,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 23:32:25,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 23:32:25,913 WARN L224 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/nan_float_range.c[423,436] [2021-07-04 23:32:25,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:32:25,943 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 23:32:25,963 WARN L224 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/nan_float_range.c[423,436] [2021-07-04 23:32:25,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:32:25,978 INFO L208 MainTranslator]: Completed translation [2021-07-04 23:32:25,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25 WrapperNode [2021-07-04 23:32:25,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 23:32:25,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 23:32:25,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 23:32:25,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 23:32:26,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 23:32:26,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 23:32:26,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 23:32:26,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 23:32:26,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 23:32:26,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 23:32:26,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 23:32:26,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 23:32:26,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (1/1) ... [2021-07-04 23:32:26,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:32:26,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 23:32:26,088 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) [2021-07-04 23:32:26,112 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 [2021-07-04 23:32:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 23:32:26,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 23:32:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-04 23:32:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 23:32:26,331 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 23:32:26,332 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-04 23:32:26,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:32:26 BoogieIcfgContainer [2021-07-04 23:32:26,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 23:32:26,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 23:32:26,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 23:32:26,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 23:32:26,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 11:32:25" (1/3) ... [2021-07-04 23:32:26,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192ab0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:32:26, skipping insertion in model container [2021-07-04 23:32:26,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:25" (2/3) ... [2021-07-04 23:32:26,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192ab0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:32:26, skipping insertion in model container [2021-07-04 23:32:26,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:32:26" (3/3) ... [2021-07-04 23:32:26,345 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_float_range.c [2021-07-04 23:32:26,351 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 23:32:26,360 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 23:32:26,423 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 23:32:26,445 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 23:32:26,445 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 23:32:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-07-04 23:32:26,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-07-04 23:32:26,469 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:32:26,469 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-07-04 23:32:26,469 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:32:26,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:32:26,490 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2021-07-04 23:32:26,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 23:32:26,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941873948] [2021-07-04 23:32:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:32:26,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 23:32:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 23:32:26,591 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 23:32:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 23:32:26,618 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 23:32:26,642 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-04 23:32:26,644 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-04 23:32:26,652 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-04 23:32:26,652 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 23:32:26,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 11:32:26 BoogieIcfgContainer [2021-07-04 23:32:26,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 23:32:26,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 23:32:26,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 23:32:26,673 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 23:32:26,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:32:26" (3/4) ... [2021-07-04 23:32:26,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-04 23:32:26,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 23:32:26,679 INFO L168 Benchmark]: Toolchain (without parser) took 904.31 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 28.0 MB in the beginning and 43.1 MB in the end (delta: -15.1 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:26,680 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:32:26,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.53 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.8 MB in the beginning and 51.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:26,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.37 ms. Allocated memory is still 67.1 MB. Free memory was 51.0 MB in the beginning and 50.8 MB in the end (delta: 229.3 kB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:26,682 INFO L168 Benchmark]: Boogie Preprocessor took 11.98 ms. Allocated memory is still 67.1 MB. Free memory was 50.8 MB in the beginning and 49.9 MB in the end (delta: 839.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:26,683 INFO L168 Benchmark]: RCFGBuilder took 268.86 ms. Allocated memory is still 67.1 MB. Free memory was 49.9 MB in the beginning and 39.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:26,687 INFO L168 Benchmark]: TraceAbstraction took 336.24 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 43.7 MB in the end (delta: -4.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:32:26,687 INFO L168 Benchmark]: Witness Printer took 4.20 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 43.1 MB in the end (delta: 279.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:32:26,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 208.53 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.8 MB in the beginning and 51.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.37 ms. Allocated memory is still 67.1 MB. Free memory was 51.0 MB in the beginning and 50.8 MB in the end (delta: 229.3 kB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 11.98 ms. Allocated memory is still 67.1 MB. Free memory was 50.8 MB in the beginning and 49.9 MB in the end (delta: 839.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 268.86 ms. Allocated memory is still 67.1 MB. Free memory was 49.9 MB in the beginning and 39.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 336.24 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 43.7 MB in the end (delta: -4.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.20 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 43.1 MB in the end (delta: 279.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 8]: 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 16, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [L15] COND TRUE x >= -1e10 && x <= 1e10 [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 233.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 16.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.4ms SsaConstructionTime, 35.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 [2021-07-04 23:32:26,724 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... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 23:32:29,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 23:32:29,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 23:32:29,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 23:32:29,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 23:32:29,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 23:32:29,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 23:32:29,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 23:32:29,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 23:32:29,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 23:32:29,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 23:32:29,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 23:32:29,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 23:32:29,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 23:32:29,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 23:32:29,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 23:32:29,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 23:32:29,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 23:32:29,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 23:32:29,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 23:32:29,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 23:32:29,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 23:32:29,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 23:32:29,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 23:32:29,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 23:32:29,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 23:32:29,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 23:32:29,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 23:32:29,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 23:32:29,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 23:32:29,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 23:32:29,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 23:32:29,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 23:32:29,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 23:32:29,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 23:32:29,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 23:32:29,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 23:32:29,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 23:32:29,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 23:32:29,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 23:32:29,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 23:32:29,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-04 23:32:29,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 23:32:29,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 23:32:29,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 23:32:29,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 23:32:29,140 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 23:32:29,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 23:32:29,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 23:32:29,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 23:32:29,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 23:32:29,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 23:32:29,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 23:32:29,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 23:32:29,142 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-04 23:32:29,142 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-04 23:32:29,142 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 23:32:29,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 23:32:29,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 23:32:29,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 23:32:29,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 23:32:29,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 23:32:29,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 23:32:29,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:32:29,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 23:32:29,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 23:32:29,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 23:32:29,144 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-04 23:32:29,144 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-04 23:32:29,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 23:32:29,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 23:32:29,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-04 23:32:29,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 188b463bddf1d83ecad723e2243b3ab1810c254e [2021-07-04 23:32:29,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 23:32:29,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 23:32:29,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 23:32:29,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 23:32:29,478 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 23:32:29,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float_range.c [2021-07-04 23:32:29,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba954c38d/63c2188c776f448980ca7bb0b5a3595b/FLAG7912c8071 [2021-07-04 23:32:29,866 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 23:32:29,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float_range.c [2021-07-04 23:32:29,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba954c38d/63c2188c776f448980ca7bb0b5a3595b/FLAG7912c8071 [2021-07-04 23:32:30,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba954c38d/63c2188c776f448980ca7bb0b5a3595b [2021-07-04 23:32:30,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 23:32:30,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 23:32:30,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 23:32:30,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 23:32:30,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 23:32:30,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e25930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30, skipping insertion in model container [2021-07-04 23:32:30,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 23:32:30,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 23:32:30,453 WARN L224 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/nan_float_range.c[423,436] [2021-07-04 23:32:30,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:32:30,491 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 23:32:30,530 WARN L224 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/nan_float_range.c[423,436] [2021-07-04 23:32:30,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:32:30,550 INFO L208 MainTranslator]: Completed translation [2021-07-04 23:32:30,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30 WrapperNode [2021-07-04 23:32:30,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 23:32:30,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 23:32:30,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 23:32:30,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 23:32:30,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 23:32:30,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 23:32:30,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 23:32:30,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 23:32:30,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 23:32:30,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 23:32:30,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 23:32:30,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 23:32:30,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (1/1) ... [2021-07-04 23:32:30,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:32:30,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 23:32:30,702 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) [2021-07-04 23:32:30,744 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 [2021-07-04 23:32:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-04 23:32:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 23:32:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 23:32:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 23:32:31,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 23:32:31,054 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-04 23:32:31,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:32:31 BoogieIcfgContainer [2021-07-04 23:32:31,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 23:32:31,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 23:32:31,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 23:32:31,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 23:32:31,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 11:32:30" (1/3) ... [2021-07-04 23:32:31,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee8b4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:32:31, skipping insertion in model container [2021-07-04 23:32:31,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:32:30" (2/3) ... [2021-07-04 23:32:31,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee8b4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:32:31, skipping insertion in model container [2021-07-04 23:32:31,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:32:31" (3/3) ... [2021-07-04 23:32:31,059 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_float_range.c [2021-07-04 23:32:31,075 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 23:32:31,075 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 23:32:31,115 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 23:32:31,119 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 23:32:31,120 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 23:32:31,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-07-04 23:32:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-07-04 23:32:31,159 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:32:31,159 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-07-04 23:32:31,160 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:32:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:32:31,174 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2021-07-04 23:32:31,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:32:31,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611212591] [2021-07-04 23:32:31,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:32:31,182 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:32:31,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:32:31,184 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) [2021-07-04 23:32:31,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-04 23:32:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:32:31,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-04 23:32:31,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:32:31,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-04 23:32:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:32:31,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-04 23:32:31,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:32:31,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:32:31,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:32:31,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-04 23:32:31,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:32:31,294 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-04 23:32:31,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:32:31,327 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:32:31,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:32:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:32:31,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:32:31,431 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-04 23:32:31,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:32:31,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 23:32:31,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:32:31,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:32:31,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:32:31,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:32:31,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:32:31,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 23:32:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-04 23:32:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:32:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 23:32:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-04 23:32:31,496 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-07-04 23:32:31,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:32:31,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:32:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:32:31,527 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:32:31,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611212591] [2021-07-04 23:32:31,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611212591] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-04 23:32:31,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-04 23:32:31,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-07-04 23:32:31,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261556585] [2021-07-04 23:32:31,537 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-04 23:32:31,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 23:32:31,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-04 23:32:31,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-04 23:32:31,551 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-07-04 23:32:31,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:32:31,567 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-07-04 23:32:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 23:32:31,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 5 [2021-07-04 23:32:31,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:32:31,572 INFO L225 Difference]: With dead ends: 18 [2021-07-04 23:32:31,572 INFO L226 Difference]: Without dead ends: 0 [2021-07-04 23:32:31,574 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-04 23:32:31,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-04 23:32:31,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-04 23:32:31,587 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) [2021-07-04 23:32:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-04 23:32:31,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-07-04 23:32:31,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:32:31,589 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-04 23:32:31,589 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-07-04 23:32:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-04 23:32:31,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-04 23:32:31,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-04 23:32:31,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:32:31,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:32:31,600 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-04 23:32:31,601 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-04 23:32:31,601 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-04 23:32:31,601 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-04 23:32:31,601 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-07-04 23:32:31,601 INFO L765 garLoopResultBuilder]: At program point L18(lines 10 19) the Hoare annotation is: true [2021-07-04 23:32:31,602 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2021-07-04 23:32:31,602 INFO L765 garLoopResultBuilder]: At program point L15-1(lines 15 17) the Hoare annotation is: true [2021-07-04 23:32:31,602 INFO L762 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-07-04 23:32:31,602 INFO L762 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2021-07-04 23:32:31,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-07-04 23:32:31,812 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 23:32:31,813 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 23:32:31,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 11:32:31 BoogieIcfgContainer [2021-07-04 23:32:31,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 23:32:31,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 23:32:31,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 23:32:31,826 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 23:32:31,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:32:31" (3/4) ... [2021-07-04 23:32:31,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-04 23:32:31,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-07-04 23:32:31,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-04 23:32:31,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-04 23:32:31,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 23:32:31,881 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-04 23:32:31,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 23:32:31,881 INFO L168 Benchmark]: Toolchain (without parser) took 1560.15 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 43.1 MB in the beginning and 54.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:31,882 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 46.1 MB. Free memory was 27.4 MB in the beginning and 27.4 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:32:31,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.18 ms. Allocated memory is still 58.7 MB. Free memory was 42.9 MB in the beginning and 41.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:31,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 58.7 MB. Free memory was 41.3 MB in the beginning and 39.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:32:31,886 INFO L168 Benchmark]: Boogie Preprocessor took 30.04 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.0 MB in the end (delta: 988.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:32:31,886 INFO L168 Benchmark]: RCFGBuilder took 416.10 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 27.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:31,886 INFO L168 Benchmark]: TraceAbstraction took 768.81 ms. Allocated memory is still 58.7 MB. Free memory was 27.2 MB in the beginning and 25.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:31,887 INFO L168 Benchmark]: Witness Printer took 55.50 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 54.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:32:31,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 46.1 MB. Free memory was 27.4 MB in the beginning and 27.4 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.18 ms. Allocated memory is still 58.7 MB. Free memory was 42.9 MB in the beginning and 41.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 58.7 MB. Free memory was 41.3 MB in the beginning and 39.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.04 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.0 MB in the end (delta: 988.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 416.10 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 27.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 768.81 ms. Allocated memory is still 58.7 MB. Free memory was 27.2 MB in the beginning and 25.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * Witness Printer took 55.50 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 54.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 702.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 20.6ms, AutomataDifference: 35.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8.6ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 10 SDtfs, 8 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 1.6ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 10.1ms SsaConstructionTime, 18.2ms SatisfiabilityAnalysisTime, 287.8ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 5 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-07-04 23:32:31,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...