./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/Rump_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/Rump_double.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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:07:49,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:07:49,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:07:49,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:07:49,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:07:49,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:07:49,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:07:49,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:07:49,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:07:49,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:07:49,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:07:49,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:07:49,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:07:49,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:07:49,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:07:49,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:07:49,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:07:49,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:07:49,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:07:49,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:07:49,453 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:07:49,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:07:49,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:07:49,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:07:49,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:07:49,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:07:49,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:07:49,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:07:49,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:07:49,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:07:49,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:07:49,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:07:49,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:07:49,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:07:49,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:07:49,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:07:49,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:07:49,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:07:49,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:07:49,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:07:49,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:07:49,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:07:49,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:07:49,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:07:49,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:07:49,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:07:49,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:07:49,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:07:49,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:07:49,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:07:49,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:07:49,515 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:07:49,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:07:49,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:07:49,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:07:49,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:07:49,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:07:49,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:07:49,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:07:49,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:07:49,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:07:49,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:07:49,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:07:49,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:07:49,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:07:49,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:07:49,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:07:49,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:07:49,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:07:49,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:07:49,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:07:49,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:07:49,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:07:49,520 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:07:49,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:07:49,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:07:49,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2022-07-21 01:07:49,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:07:49,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:07:49,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:07:49,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:07:49,857 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:07:49,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-21 01:07:49,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ac3ad94/0bf4aa25850f416ab3227d715ffde1cf/FLAGdfc2b85f9 [2022-07-21 01:07:50,342 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:07:50,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-21 01:07:50,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ac3ad94/0bf4aa25850f416ab3227d715ffde1cf/FLAGdfc2b85f9 [2022-07-21 01:07:50,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ac3ad94/0bf4aa25850f416ab3227d715ffde1cf [2022-07-21 01:07:50,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:07:50,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:07:50,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:07:50,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:07:50,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:07:50,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:07:50" (1/1) ... [2022-07-21 01:07:50,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5998e7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:50, skipping insertion in model container [2022-07-21 01:07:50,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:07:50" (1/1) ... [2022-07-21 01:07:50,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:07:50,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:07:50,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-07-21 01:07:50,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:07:50,967 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:07:50,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-07-21 01:07:50,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:07:51,005 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:07:51,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51 WrapperNode [2022-07-21 01:07:51,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:07:51,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:07:51,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:07:51,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:07:51,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,039 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-07-21 01:07:51,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:07:51,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:07:51,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:07:51,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:07:51,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:07:51,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:07:51,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:07:51,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:07:51,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (1/1) ... [2022-07-21 01:07:51,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:07:51,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:07:51,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 01:07:51,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 01:07:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:07:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:07:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:07:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 01:07:51,232 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:07:51,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:07:51,311 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:07:51,315 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:07:51,316 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 01:07:51,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:07:51 BoogieIcfgContainer [2022-07-21 01:07:51,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:07:51,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:07:51,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:07:51,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:07:51,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:07:50" (1/3) ... [2022-07-21 01:07:51,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49622c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:07:51, skipping insertion in model container [2022-07-21 01:07:51,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:51" (2/3) ... [2022-07-21 01:07:51,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49622c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:07:51, skipping insertion in model container [2022-07-21 01:07:51,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:07:51" (3/3) ... [2022-07-21 01:07:51,325 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2022-07-21 01:07:51,337 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:07:51,337 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:07:51,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:07:51,384 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4a9096d1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7570f8fb [2022-07-21 01:07:51,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:07:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:07:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-21 01:07:51,404 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:07:51,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-21 01:07:51,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:07:51,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:07:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-21 01:07:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:07:51,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426175331] [2022-07-21 01:07:51,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:07:51,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:07:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:07:51,551 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:07:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:07:51,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 01:07:51,593 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:07:51,596 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:07:51,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 01:07:51,602 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-21 01:07:51,606 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:07:51,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:07:51 BoogieIcfgContainer [2022-07-21 01:07:51,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:07:51,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:07:51,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:07:51,627 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:07:51,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:07:51" (3/4) ... [2022-07-21 01:07:51,630 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 01:07:51,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:07:51,632 INFO L158 Benchmark]: Toolchain (without parser) took 841.32ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 28.4MB in the beginning and 37.6MB in the end (delta: -9.2MB). Peak memory consumption was 274.5kB. Max. memory is 16.1GB. [2022-07-21 01:07:51,633 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:07:51,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.12ms. Allocated memory is still 50.3MB. Free memory was 28.2MB in the beginning and 30.2MB in the end (delta: -2.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-07-21 01:07:51,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.78ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 30.2MB in the beginning and 45.1MB in the end (delta: -14.9MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-07-21 01:07:51,640 INFO L158 Benchmark]: Boogie Preprocessor took 54.73ms. Allocated memory is still 60.8MB. Free memory was 44.9MB in the beginning and 44.0MB in the end (delta: 926.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:07:51,640 INFO L158 Benchmark]: RCFGBuilder took 221.77ms. Allocated memory is still 60.8MB. Free memory was 44.0MB in the beginning and 35.9MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 01:07:51,641 INFO L158 Benchmark]: TraceAbstraction took 304.80ms. Allocated memory is still 60.8MB. Free memory was 35.4MB in the beginning and 37.8MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:07:51,642 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 37.6MB in the end (delta: 229.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:07:51,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.12ms. Allocated memory is still 50.3MB. Free memory was 28.2MB in the beginning and 30.2MB in the end (delta: -2.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.78ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 30.2MB in the beginning and 45.1MB in the end (delta: -14.9MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.73ms. Allocated memory is still 60.8MB. Free memory was 44.9MB in the beginning and 44.0MB in the end (delta: 926.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 221.77ms. Allocated memory is still 60.8MB. Free memory was 44.0MB in the beginning and 35.9MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 304.80ms. Allocated memory is still 60.8MB. Free memory was 35.4MB in the beginning and 37.8MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 37.6MB in the end (delta: 229.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 01:07:51,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/Rump_double.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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:07:53,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:07:53,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:07:53,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:07:53,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:07:53,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:07:53,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:07:53,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:07:53,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:07:53,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:07:53,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:07:53,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:07:53,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:07:53,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:07:53,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:07:53,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:07:53,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:07:53,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:07:53,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:07:53,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:07:53,580 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:07:53,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:07:53,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:07:53,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:07:53,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:07:53,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:07:53,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:07:53,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:07:53,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:07:53,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:07:53,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:07:53,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:07:53,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:07:53,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:07:53,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:07:53,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:07:53,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:07:53,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:07:53,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:07:53,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:07:53,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:07:53,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:07:53,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:07:53,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:07:53,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:07:53,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:07:53,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:07:53,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:07:53,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:07:53,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:07:53,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:07:53,653 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:07:53,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:07:53,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:07:53,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:07:53,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:07:53,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:07:53,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:07:53,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:07:53,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:07:53,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:07:53,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:07:53,656 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:07:53,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:07:53,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:07:53,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:07:53,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:07:53,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:07:53,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:07:53,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:07:53,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:07:53,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:07:53,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:07:53,658 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:07:53,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:07:53,659 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:07:53,659 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:07:53,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:07:53,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:07:53,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2022-07-21 01:07:53,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:07:54,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:07:54,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:07:54,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:07:54,012 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:07:54,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-21 01:07:54,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db29bb64d/9f4a96cd1fe4483bb9c9d55653aff89f/FLAGc21fa5906 [2022-07-21 01:07:54,476 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:07:54,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-21 01:07:54,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db29bb64d/9f4a96cd1fe4483bb9c9d55653aff89f/FLAGc21fa5906 [2022-07-21 01:07:54,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db29bb64d/9f4a96cd1fe4483bb9c9d55653aff89f [2022-07-21 01:07:54,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:07:54,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:07:54,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:07:54,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:07:54,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:07:54,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:07:54" (1/1) ... [2022-07-21 01:07:54,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ac6940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:54, skipping insertion in model container [2022-07-21 01:07:54,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:07:54" (1/1) ... [2022-07-21 01:07:54,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:07:54,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:07:55,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-07-21 01:07:55,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:07:55,054 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:07:55,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-07-21 01:07:55,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:07:55,104 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:07:55,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55 WrapperNode [2022-07-21 01:07:55,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:07:55,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:07:55,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:07:55,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:07:55,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,157 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-07-21 01:07:55,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:07:55,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:07:55,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:07:55,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:07:55,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:07:55,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:07:55,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:07:55,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:07:55,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (1/1) ... [2022-07-21 01:07:55,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:07:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:07:55,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 01:07:55,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 01:07:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:07:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:07:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:07:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:07:55,334 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:07:55,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:08:01,074 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:08:01,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:08:01,078 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 01:08:01,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:08:01 BoogieIcfgContainer [2022-07-21 01:08:01,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:08:01,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:08:01,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:08:01,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:08:01,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:07:54" (1/3) ... [2022-07-21 01:08:01,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573a60ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:08:01, skipping insertion in model container [2022-07-21 01:08:01,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:07:55" (2/3) ... [2022-07-21 01:08:01,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573a60ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:08:01, skipping insertion in model container [2022-07-21 01:08:01,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:08:01" (3/3) ... [2022-07-21 01:08:01,086 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2022-07-21 01:08:01,098 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:08:01,099 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:08:01,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:08:01,148 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6b731c6e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@624efcc5 [2022-07-21 01:08:01,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:08:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:08:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-21 01:08:01,157 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:08:01,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-21 01:08:01,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:08:01,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:08:01,163 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-21 01:08:01,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:08:01,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978893748] [2022-07-21 01:08:01,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:08:01,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:08:01,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:08:01,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:08:01,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:08:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:08:07,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 01:08:07,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:08:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:08:08,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:08:08,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:08:08,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978893748] [2022-07-21 01:08:08,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978893748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:08:08,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:08:08,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 01:08:08,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944145766] [2022-07-21 01:08:08,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:08:08,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 01:08:08,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:08:08,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 01:08:08,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:08:08,092 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:08:13,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:08:14,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:08:14,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:08:14,446 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-07-21 01:08:14,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 01:08:14,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-07-21 01:08:14,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:08:14,453 INFO L225 Difference]: With dead ends: 13 [2022-07-21 01:08:14,453 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 01:08:14,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:08:14,460 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-21 01:08:14,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-07-21 01:08:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 01:08:14,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 01:08:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:08:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 01:08:14,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-07-21 01:08:14,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:08:14,481 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 01:08:14,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:08:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 01:08:14,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 01:08:14,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:08:14,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 01:08:14,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:08:14,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 01:08:14,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 01:08:14,908 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 01:08:14,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 01:08:14,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 01:08:14,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2022-07-21 01:08:14,909 INFO L895 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-21 01:08:14,909 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-07-21 01:08:14,910 INFO L899 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2022-07-21 01:08:14,910 INFO L895 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-21 01:08:14,913 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-21 01:08:14,915 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:08:14,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:08:14 BoogieIcfgContainer [2022-07-21 01:08:14,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:08:14,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:08:14,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:08:14,936 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:08:14,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:08:01" (3/4) ... [2022-07-21 01:08:14,939 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 01:08:14,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 01:08:14,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 01:08:14,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 01:08:14,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 01:08:14,988 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 01:08:14,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:08:14,989 INFO L158 Benchmark]: Toolchain (without parser) took 20085.15ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 27.1MB in the beginning and 37.8MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:08:14,991 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 50.3MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:08:14,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.74ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 26.9MB in the beginning and 45.3MB in the end (delta: -18.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-07-21 01:08:14,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.72ms. Allocated memory is still 60.8MB. Free memory was 45.3MB in the beginning and 43.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:08:14,992 INFO L158 Benchmark]: Boogie Preprocessor took 42.58ms. Allocated memory is still 60.8MB. Free memory was 43.8MB in the beginning and 42.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:08:14,993 INFO L158 Benchmark]: RCFGBuilder took 5877.68ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 34.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:08:14,994 INFO L158 Benchmark]: TraceAbstraction took 13853.11ms. Allocated memory is still 60.8MB. Free memory was 34.1MB in the beginning and 40.2MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:08:14,996 INFO L158 Benchmark]: Witness Printer took 53.42ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 37.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:08:15,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 50.3MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.74ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 26.9MB in the beginning and 45.3MB in the end (delta: -18.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.72ms. Allocated memory is still 60.8MB. Free memory was 45.3MB in the beginning and 43.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.58ms. Allocated memory is still 60.8MB. Free memory was 43.8MB in the beginning and 42.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5877.68ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 34.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13853.11ms. Allocated memory is still 60.8MB. Free memory was 34.1MB in the beginning and 40.2MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.42ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 37.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2022-07-21 01:08:15,239 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-21 01:08:15,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE