./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 791161d1 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-?-791161d [2022-07-22 13:44:44,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:44:44,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:44:44,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:44:44,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:44:44,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:44:44,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:44:44,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:44:44,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:44:44,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:44:44,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:44:44,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:44:44,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:44:44,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:44:44,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:44:44,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:44:44,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:44:44,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:44:44,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:44:44,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:44:44,304 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:44:44,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:44:44,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:44:44,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:44:44,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:44:44,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:44:44,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:44:44,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:44:44,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:44:44,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:44:44,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:44:44,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:44:44,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:44:44,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:44:44,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:44:44,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:44:44,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:44:44,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:44:44,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:44:44,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:44:44,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:44:44,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:44:44,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 13:44:44,359 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:44:44,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:44:44,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:44:44,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:44:44,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:44:44,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:44:44,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:44:44,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:44:44,363 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:44:44,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:44:44,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:44:44,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 13:44:44,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:44:44,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:44:44,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:44:44,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:44:44,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:44:44,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:44:44,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:44:44,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:44:44,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:44:44,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:44:44,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:44:44,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:44:44,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:44:44,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:44:44,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:44:44,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:44:44,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 13:44:44,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 13:44:44,370 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:44:44,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:44:44,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:44:44,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2022-07-22 13:44:44,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:44:44,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:44:44,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:44:44,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:44:44,601 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:44:44,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-22 13:44:44,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d524e1c/e888b5f40a9643a7aa8cfc60f95c70cd/FLAGdaff9ff72 [2022-07-22 13:44:45,077 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:44:45,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-22 13:44:45,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d524e1c/e888b5f40a9643a7aa8cfc60f95c70cd/FLAGdaff9ff72 [2022-07-22 13:44:45,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d524e1c/e888b5f40a9643a7aa8cfc60f95c70cd [2022-07-22 13:44:45,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:44:45,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:44:45,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:44:45,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:44:45,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:44:45,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187e5f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45, skipping insertion in model container [2022-07-22 13:44:45,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:44:45,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:44:45,261 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] [2022-07-22 13:44:45,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:44:45,303 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:44:45,313 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] [2022-07-22 13:44:45,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:44:45,328 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:44:45,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45 WrapperNode [2022-07-22 13:44:45,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:44:45,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:44:45,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:44:45,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:44:45,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,358 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-07-22 13:44:45,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:44:45,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:44:45,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:44:45,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:44:45,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:44:45,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:44:45,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:44:45,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:44:45,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (1/1) ... [2022-07-22 13:44:45,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:44:45,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:44:45,429 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) [2022-07-22 13:44:45,450 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 [2022-07-22 13:44:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:44:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:44:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:44:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 13:44:45,512 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:44:45,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:44:45,585 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:44:45,590 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:44:45,590 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:44:45,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:45 BoogieIcfgContainer [2022-07-22 13:44:45,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:44:45,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:44:45,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:44:45,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:44:45,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:44:45" (1/3) ... [2022-07-22 13:44:45,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d17ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:44:45, skipping insertion in model container [2022-07-22 13:44:45,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:45" (2/3) ... [2022-07-22 13:44:45,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d17ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:44:45, skipping insertion in model container [2022-07-22 13:44:45,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:45" (3/3) ... [2022-07-22 13:44:45,601 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2022-07-22 13:44:45,615 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:44:45,615 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:44:45,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:44:45,666 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@1e44f54b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@490238f3 [2022-07-22 13:44:45,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:44:45,671 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) [2022-07-22 13:44:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-22 13:44:45,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:44:45,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-22 13:44:45,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:44:45,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:44:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-22 13:44:45,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 13:44:45,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78958659] [2022-07-22 13:44:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:44:45,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 13:44:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:44:45,776 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 13:44:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:44:45,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 13:44:45,821 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 13:44:45,822 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:44:45,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 13:44:45,829 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-22 13:44:45,833 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:44:45,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:44:45 BoogieIcfgContainer [2022-07-22 13:44:45,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:44:45,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:44:45,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:44:45,858 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:44:45,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:45" (3/4) ... [2022-07-22 13:44:45,862 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 13:44:45,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:44:45,864 INFO L158 Benchmark]: Toolchain (without parser) took 750.55ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 56.6MB in the end (delta: -3.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-07-22 13:44:45,865 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:44:45,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.64ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 80.8MB in the end (delta: -27.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:44:45,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.77ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:44:45,873 INFO L158 Benchmark]: Boogie Preprocessor took 26.29ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 78.4MB in the end (delta: 955.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:44:45,873 INFO L158 Benchmark]: RCFGBuilder took 205.40ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 70.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:44:45,875 INFO L158 Benchmark]: TraceAbstraction took 259.76ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 56.9MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 13:44:45,875 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 56.6MB in the end (delta: 315.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:44:45,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.64ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 80.8MB in the end (delta: -27.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.77ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.29ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 78.4MB in the end (delta: 955.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 205.40ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 70.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 259.76ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 56.9MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 56.6MB in the end (delta: 315.8kB). 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 [2022-07-22 13:44:45,923 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-?-791161d [2022-07-22 13:44:47,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:44:47,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:44:48,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:44:48,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:44:48,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:44:48,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:44:48,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:44:48,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:44:48,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:44:48,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:44:48,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:44:48,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:44:48,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:44:48,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:44:48,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:44:48,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:44:48,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:44:48,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:44:48,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:44:48,054 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:44:48,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:44:48,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:44:48,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:44:48,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:44:48,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:44:48,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:44:48,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:44:48,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:44:48,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:44:48,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:44:48,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:44:48,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:44:48,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:44:48,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:44:48,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:44:48,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:44:48,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:44:48,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:44:48,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:44:48,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:44:48,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:44:48,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 13:44:48,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:44:48,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:44:48,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:44:48,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:44:48,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:44:48,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:44:48,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:44:48,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:44:48,125 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:44:48,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:44:48,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:44:48,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:44:48,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:44:48,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:44:48,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:44:48,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:44:48,128 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 13:44:48,128 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 13:44:48,128 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 13:44:48,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:44:48,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:44:48,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:44:48,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:44:48,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:44:48,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:44:48,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:44:48,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:44:48,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:44:48,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:44:48,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:44:48,131 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 13:44:48,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 13:44:48,131 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:44:48,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:44:48,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:44:48,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 13:44:48,132 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2022-07-22 13:44:48,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:44:48,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:44:48,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:44:48,478 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:44:48,479 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:44:48,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-22 13:44:48,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a605061/827875c5a7ab42fe97f1aba9863b6b5b/FLAG93ca18f34 [2022-07-22 13:44:48,968 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:44:48,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_double.c [2022-07-22 13:44:48,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a605061/827875c5a7ab42fe97f1aba9863b6b5b/FLAG93ca18f34 [2022-07-22 13:44:49,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a605061/827875c5a7ab42fe97f1aba9863b6b5b [2022-07-22 13:44:49,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:44:49,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:44:49,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:44:49,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:44:49,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:44:49,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd8067e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49, skipping insertion in model container [2022-07-22 13:44:49,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:44:49,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:44:49,532 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] [2022-07-22 13:44:49,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:44:49,563 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:44:49,577 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] [2022-07-22 13:44:49,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:44:49,616 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:44:49,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49 WrapperNode [2022-07-22 13:44:49,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:44:49,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:44:49,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:44:49,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:44:49,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,675 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-07-22 13:44:49,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:44:49,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:44:49,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:44:49,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:44:49,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:44:49,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:44:49,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:44:49,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:44:49,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (1/1) ... [2022-07-22 13:44:49,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:44:49,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:44:49,749 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) [2022-07-22 13:44:49,774 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 [2022-07-22 13:44:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:44:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:44:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:44:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 13:44:49,869 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:44:49,870 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:44:55,495 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:44:55,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:44:55,501 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:44:55,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:55 BoogieIcfgContainer [2022-07-22 13:44:55,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:44:55,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:44:55,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:44:55,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:44:55,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:44:49" (1/3) ... [2022-07-22 13:44:55,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d44521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:44:55, skipping insertion in model container [2022-07-22 13:44:55,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:49" (2/3) ... [2022-07-22 13:44:55,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d44521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:44:55, skipping insertion in model container [2022-07-22 13:44:55,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:55" (3/3) ... [2022-07-22 13:44:55,512 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2022-07-22 13:44:55,525 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:44:55,525 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:44:55,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:44:55,578 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@6146e81d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6d875599 [2022-07-22 13:44:55,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:44:55,583 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) [2022-07-22 13:44:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-22 13:44:55,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:44:55,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-22 13:44:55,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:44:55,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:44:55,613 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-22 13:44:55,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 13:44:55,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032078306] [2022-07-22 13:44:55,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:44:55,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 13:44:55,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 13:44:55,623 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) [2022-07-22 13:44:55,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 13:45:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:45:01,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 13:45:01,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 13:45:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:45:02,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 13:45:02,443 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 13:45:02,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032078306] [2022-07-22 13:45:02,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032078306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:45:02,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:45:02,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 13:45:02,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353535044] [2022-07-22 13:45:02,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:45:02,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 13:45:02,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 13:45:02,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 13:45:02,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 13:45:02,482 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) [2022-07-22 13:45:07,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 13:45:08,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 13:45:09,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:45:09,027 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-07-22 13:45:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 13:45:09,029 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 [2022-07-22 13:45:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:45:09,034 INFO L225 Difference]: With dead ends: 13 [2022-07-22 13:45:09,034 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 13:45:09,036 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 [2022-07-22 13:45:09,039 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 6.5s IncrementalHoareTripleChecker+Time [2022-07-22 13:45:09,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-07-22 13:45:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 13:45:09,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 13:45:09,056 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) [2022-07-22 13:45:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 13:45:09,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-07-22 13:45:09,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:45:09,057 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 13:45:09,058 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) [2022-07-22 13:45:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 13:45:09,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 13:45:09,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:45:09,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 13:45:09,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 13:45:09,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 13:45:09,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 13:45:09,476 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 13:45:09,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 13:45:09,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 13:45:09,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2022-07-22 13:45:09,477 INFO L895 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-22 13:45:09,477 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-07-22 13:45:09,477 INFO L899 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2022-07-22 13:45:09,478 INFO L895 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-22 13:45:09,482 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-22 13:45:09,485 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:45:09,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:45:09 BoogieIcfgContainer [2022-07-22 13:45:09,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:45:09,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:45:09,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:45:09,502 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:45:09,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:55" (3/4) ... [2022-07-22 13:45:09,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 13:45:09,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 13:45:09,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 13:45:09,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 13:45:09,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 13:45:09,537 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 13:45:09,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:45:09,538 INFO L158 Benchmark]: Toolchain (without parser) took 20160.15ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 25.9MB in the beginning and 44.1MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:45:09,539 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 38.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:45:09,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.25ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 25.6MB in the beginning and 49.5MB in the end (delta: -23.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-07-22 13:45:09,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.21ms. Allocated memory is still 65.0MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:45:09,540 INFO L158 Benchmark]: Boogie Preprocessor took 40.90ms. Allocated memory is still 65.0MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:45:09,540 INFO L158 Benchmark]: RCFGBuilder took 5783.94ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 38.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:45:09,541 INFO L158 Benchmark]: TraceAbstraction took 13997.50ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 46.4MB in the end (delta: -8.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-07-22 13:45:09,541 INFO L158 Benchmark]: Witness Printer took 35.95ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 44.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:45:09,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 38.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.25ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 25.6MB in the beginning and 49.5MB in the end (delta: -23.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.21ms. Allocated memory is still 65.0MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.90ms. Allocated memory is still 65.0MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5783.94ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 38.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13997.50ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 46.4MB in the end (delta: -8.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 35.95ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 44.1MB in the end (delta: 2.3MB). 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: 13.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 5.2s 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, 5.5s SatisfiabilityAnalysisTime, 1.3s 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! [2022-07-22 13:45:09,755 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 [2022-07-22 13:45:09,874 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