./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/ddv-machzwd/ddv_machzwd_inb_p.i -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 4964008f681c396e51c61099c91ff20fa40d827f ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 02:11:20,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 02:11:20,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 02:11:20,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 02:11:20,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 02:11:20,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 02:11:20,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 02:11:20,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 02:11:20,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 02:11:20,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 02:11:20,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 02:11:20,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 02:11:20,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 02:11:20,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 02:11:20,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 02:11:20,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 02:11:20,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 02:11:20,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 02:11:20,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 02:11:20,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 02:11:20,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 02:11:20,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 02:11:20,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 02:11:20,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 02:11:20,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 02:11:20,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 02:11:20,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 02:11:20,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 02:11:20,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 02:11:20,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 02:11:20,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:11:20,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:11:20,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:11:20,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:11:20,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:11:20,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:11:20,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:11:20,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:11:20,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:11:20,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:11:20,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:11:20,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 02:11:20,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:11:20,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:11:20,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:11:20,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:11:20,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:11:20,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:11:20,380 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:11:20,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:11:20,380 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:11:20,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 02:11:20,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:11:20,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:11:20,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:11:20,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:11:20,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:11:20,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:11:20,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:11:20,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:11:20,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:11:20,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:11:20,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:11:20,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:11:20,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:20,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:11:20,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:11:20,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:11:20,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 02:11:20,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 02:11:20,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:11:20,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:11:20,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4964008f681c396e51c61099c91ff20fa40d827f [2021-08-26 02:11:20,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:11:20,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:11:20,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:11:20,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:11:20,766 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:11:20,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2021-08-26 02:11:20,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12cd50a09/8af4ff3c803f43d888f9784973edaa32/FLAG35ed249ed [2021-08-26 02:11:21,435 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:11:21,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2021-08-26 02:11:21,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12cd50a09/8af4ff3c803f43d888f9784973edaa32/FLAG35ed249ed [2021-08-26 02:11:21,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12cd50a09/8af4ff3c803f43d888f9784973edaa32 [2021-08-26 02:11:21,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:11:21,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:11:21,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:21,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:11:21,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:11:21,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:21" (1/1) ... [2021-08-26 02:11:21,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9d29b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:21, skipping insertion in model container [2021-08-26 02:11:21,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:21" (1/1) ... [2021-08-26 02:11:21,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:11:21,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:11:21,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2021-08-26 02:11:22,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:22,965 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:11:22,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2021-08-26 02:11:23,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:23,246 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:11:23,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23 WrapperNode [2021-08-26 02:11:23,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:23,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:23,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:11:23,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:11:23,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:23,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:11:23,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:11:23,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:11:23,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:11:23,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:11:23,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:11:23,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:11:23,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (1/1) ... [2021-08-26 02:11:23,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:23,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:23,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 02:11:23,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 02:11:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:11:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-26 02:11:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 02:11:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:11:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:11:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:11:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:11:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 02:11:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:11:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:11:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 02:11:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 02:11:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 02:11:27,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:11:27,029 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-08-26 02:11:27,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:27 BoogieIcfgContainer [2021-08-26 02:11:27,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:11:27,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:11:27,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:11:27,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:11:27,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:11:21" (1/3) ... [2021-08-26 02:11:27,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f721086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:27, skipping insertion in model container [2021-08-26 02:11:27,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:23" (2/3) ... [2021-08-26 02:11:27,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f721086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:27, skipping insertion in model container [2021-08-26 02:11:27,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:27" (3/3) ... [2021-08-26 02:11:27,038 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb_p.i [2021-08-26 02:11:27,042 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:11:27,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-26 02:11:27,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f721086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:11:27, skipping insertion in model container [2021-08-26 02:11:27,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:11:27,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:11:27,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:11:27,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:11:27,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:27" (3/3) ... [2021-08-26 02:11:27,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 02:11:27,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 270 nodes and edges [2021-08-26 02:11:27,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2021-08-26 02:11:27,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-08-26 02:11:27,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-08-26 02:11:27,081 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 02:11:27,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 02:11:27,240 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 02:11:27,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:11:27,242 INFO L168 Benchmark]: Toolchain (without parser) took 5557.76 ms. Allocated memory was 56.6 MB in the beginning and 304.1 MB in the end (delta: 247.5 MB). Free memory was 31.0 MB in the beginning and 249.4 MB in the end (delta: -218.4 MB). Peak memory consumption was 119.9 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:27,242 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:11:27,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1561.53 ms. Allocated memory was 56.6 MB in the beginning and 102.8 MB in the end (delta: 46.1 MB). Free memory was 30.9 MB in the beginning and 72.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:27,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.22 ms. Allocated memory is still 102.8 MB. Free memory was 72.0 MB in the beginning and 59.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:27,243 INFO L168 Benchmark]: Boogie Preprocessor took 96.70 ms. Allocated memory is still 102.8 MB. Free memory was 59.0 MB in the beginning and 49.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:27,243 INFO L168 Benchmark]: RCFGBuilder took 3522.45 ms. Allocated memory was 102.8 MB in the beginning and 176.2 MB in the end (delta: 73.4 MB). Free memory was 49.5 MB in the beginning and 56.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:27,244 INFO L168 Benchmark]: TraceAbstraction took 11.53 ms. Allocated memory is still 176.2 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:11:27,244 INFO L168 Benchmark]: Witness Printer took 195.50 ms. Allocated memory was 176.2 MB in the beginning and 304.1 MB in the end (delta: 127.9 MB). Free memory was 55.9 MB in the beginning and 249.4 MB in the end (delta: -193.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:27,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1561.53 ms. Allocated memory was 56.6 MB in the beginning and 102.8 MB in the end (delta: 46.1 MB). Free memory was 30.9 MB in the beginning and 72.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 162.22 ms. Allocated memory is still 102.8 MB. Free memory was 72.0 MB in the beginning and 59.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.70 ms. Allocated memory is still 102.8 MB. Free memory was 59.0 MB in the beginning and 49.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3522.45 ms. Allocated memory was 102.8 MB in the beginning and 176.2 MB in the end (delta: 73.4 MB). Free memory was 49.5 MB in the beginning and 56.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11.53 ms. Allocated memory is still 176.2 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 195.50 ms. Allocated memory was 176.2 MB in the beginning and 304.1 MB in the end (delta: 127.9 MB). Free memory was 55.9 MB in the beginning and 249.4 MB in the end (delta: -193.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-08-26 02:11:27,284 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...