./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_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_outw_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 d61dc6f8dfb8311f92d42a92a6cc65f9874bb537 .................................................................................................................................................................................................................... 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 02:11:42,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 02:11:42,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 02:11:42,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 02:11:42,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 02:11:42,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 02:11:42,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 02:11:42,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 02:11:42,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 02:11:42,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 02:11:42,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 02:11:42,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 02:11:42,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 02:11:42,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 02:11:42,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 02:11:42,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 02:11:42,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 02:11:42,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 02:11:42,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 02:11:42,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 02:11:42,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 02:11:42,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 02:11:42,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 02:11:42,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 02:11:42,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 02:11:42,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 02:11:42,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 02:11:42,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 02:11:42,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 02:11:42,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 02:11:42,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:11:42,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:11:42,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:11:42,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:11:42,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:11:42,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:11:42,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:11:42,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:11:42,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:11:42,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:11:42,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:11:42,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 02:11:42,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:11:42,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:11:42,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:11:42,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:11:42,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:11:42,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:11:42,697 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:11:42,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:11:42,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:11:42,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 02:11:42,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:11:42,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:11:42,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:11:42,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:11:42,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:11:42,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:11:42,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:11:42,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:11:42,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:11:42,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:11:42,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:11:42,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:11:42,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:42,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:11:42,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:11:42,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:11:42,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 02:11:42,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 02:11:42,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:11:42,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:11:42,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61dc6f8dfb8311f92d42a92a6cc65f9874bb537 [2021-08-26 02:11:42,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:11:42,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:11:42,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:11:42,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:11:42,970 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:11:42,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2021-08-26 02:11:43,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f039991/d25bcf1c474e40cebade41dbd56bc15d/FLAG0e1a4be42 [2021-08-26 02:11:43,542 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:11:43,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2021-08-26 02:11:43,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f039991/d25bcf1c474e40cebade41dbd56bc15d/FLAG0e1a4be42 [2021-08-26 02:11:43,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f039991/d25bcf1c474e40cebade41dbd56bc15d [2021-08-26 02:11:43,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:11:43,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:11:43,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:43,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:11:43,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:11:43,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:43" (1/1) ... [2021-08-26 02:11:43,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e23e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:43, skipping insertion in model container [2021-08-26 02:11:43,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:43" (1/1) ... [2021-08-26 02:11:43,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:11:43,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:11:44,022 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_outw_p.i[458,471] [2021-08-26 02:11:44,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:44,857 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:11:44,867 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_outw_p.i[458,471] [2021-08-26 02:11:44,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:45,081 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:11:45,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45 WrapperNode [2021-08-26 02:11:45,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:45,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:45,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:11:45,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:11:45,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:45,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:11:45,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:11:45,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:11:45,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:11:45,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:11:45,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:11:45,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:11:45,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (1/1) ... [2021-08-26 02:11:45,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:45,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:45,344 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 02:11:45,356 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 02:11:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:11:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-26 02:11:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 02:11:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:11:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:11:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:11:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:11:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 02:11:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:11:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:11:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 02:11:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 02:11:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 02:11:48,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:11:48,246 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-08-26 02:11:48,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:48 BoogieIcfgContainer [2021-08-26 02:11:48,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:11:48,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:11:48,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:11:48,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:11:48,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:11:43" (1/3) ... [2021-08-26 02:11:48,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d45e9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:48, skipping insertion in model container [2021-08-26 02:11:48,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:45" (2/3) ... [2021-08-26 02:11:48,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d45e9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:48, skipping insertion in model container [2021-08-26 02:11:48,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:48" (3/3) ... [2021-08-26 02:11:48,254 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outw_p.i [2021-08-26 02:11:48,258 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:11:48,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-26 02:11:48,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d45e9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:11:48, skipping insertion in model container [2021-08-26 02:11:48,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:11:48,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:11:48,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:11:48,260 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:11:48,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:48" (3/3) ... [2021-08-26 02:11:48,262 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 02:11:48,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 270 nodes and edges [2021-08-26 02:11:48,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2021-08-26 02:11:48,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-08-26 02:11:48,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-08-26 02:11:48,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 02:11:48,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 02:11:48,404 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 02:11:48,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:11:48,406 INFO L168 Benchmark]: Toolchain (without parser) took 4579.01 ms. Allocated memory was 52.4 MB in the beginning and 186.6 MB in the end (delta: 134.2 MB). Free memory was 35.5 MB in the beginning and 80.5 MB in the end (delta: -45.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:48,406 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:11:48,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.24 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 35.3 MB in the beginning and 38.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:48,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.49 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 42.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:48,407 INFO L168 Benchmark]: Boogie Preprocessor took 91.77 ms. Allocated memory is still 79.7 MB. Free memory was 42.2 MB in the beginning and 32.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:48,408 INFO L168 Benchmark]: RCFGBuilder took 2922.90 ms. Allocated memory was 79.7 MB in the beginning and 186.6 MB in the end (delta: 107.0 MB). Free memory was 32.8 MB in the beginning and 113.0 MB in the end (delta: -80.2 MB). Peak memory consumption was 103.6 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:48,408 INFO L168 Benchmark]: TraceAbstraction took 9.33 ms. Allocated memory is still 186.6 MB. Free memory was 113.0 MB in the beginning and 111.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:11:48,408 INFO L168 Benchmark]: Witness Printer took 144.98 ms. Allocated memory is still 186.6 MB. Free memory was 111.9 MB in the beginning and 80.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:48,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1255.24 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 35.3 MB in the beginning and 38.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.49 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 42.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.77 ms. Allocated memory is still 79.7 MB. Free memory was 42.2 MB in the beginning and 32.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2922.90 ms. Allocated memory was 79.7 MB in the beginning and 186.6 MB in the end (delta: 107.0 MB). Free memory was 32.8 MB in the beginning and 113.0 MB in the end (delta: -80.2 MB). Peak memory consumption was 103.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9.33 ms. Allocated memory is still 186.6 MB. Free memory was 113.0 MB in the beginning and 111.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 144.98 ms. Allocated memory is still 186.6 MB. Free memory was 111.9 MB in the beginning and 80.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 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 02:11:48,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...