./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.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_pthread_mutex_unlock.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 9a16c99bdf3ae728e7fbcd17390cde95cbfb9e53 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:11:47,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 02:11:47,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 02:11:47,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 02:11:47,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 02:11:47,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 02:11:47,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 02:11:47,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 02:11:47,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 02:11:47,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 02:11:47,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 02:11:47,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 02:11:47,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 02:11:47,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 02:11:47,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 02:11:47,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 02:11:47,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 02:11:47,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 02:11:47,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 02:11:47,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 02:11:47,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 02:11:47,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 02:11:47,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 02:11:47,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 02:11:47,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 02:11:47,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 02:11:47,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 02:11:47,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 02:11:47,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 02:11:47,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 02:11:47,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:11:47,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:11:47,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:11:47,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:11:47,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:11:47,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:11:47,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:11:47,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:11:47,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:11:47,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:11:47,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:11:47,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 02:11:47,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:11:47,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:11:47,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:11:47,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:11:47,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:11:47,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:11:47,908 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:11:47,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:11:47,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:11:47,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:11:47,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:11:47,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:11:47,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:11:47,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:11:47,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:11:47,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:47,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:11:47,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:11:47,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:11:47,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 02:11:47,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 02:11:47,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:11:47,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:11:47,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a16c99bdf3ae728e7fbcd17390cde95cbfb9e53 [2021-08-26 02:11:48,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:11:48,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:11:48,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:11:48,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:11:48,230 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:11:48,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-08-26 02:11:48,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0764f78de/6f1f6452046f4055a19c4bd379a7929d/FLAGe7f229d18 [2021-08-26 02:11:48,850 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:11:48,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-08-26 02:11:48,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0764f78de/6f1f6452046f4055a19c4bd379a7929d/FLAGe7f229d18 [2021-08-26 02:11:49,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0764f78de/6f1f6452046f4055a19c4bd379a7929d [2021-08-26 02:11:49,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:11:49,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:11:49,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:49,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:11:49,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:11:49,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:49" (1/1) ... [2021-08-26 02:11:49,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db04eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:49, skipping insertion in model container [2021-08-26 02:11:49,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:49" (1/1) ... [2021-08-26 02:11:49,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:11:49,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:11:49,520 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_pthread_mutex_unlock.i[472,485] [2021-08-26 02:11:50,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:50,666 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:11:50,681 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_pthread_mutex_unlock.i[472,485] [2021-08-26 02:11:50,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:50,992 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:11:50,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50 WrapperNode [2021-08-26 02:11:50,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:50,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:50,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:11:50,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:11:51,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:51,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:11:51,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:11:51,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:11:51,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:11:51,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:11:51,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:11:51,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:11:51,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (1/1) ... [2021-08-26 02:11:51,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:51,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:51,382 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 02:11:51,453 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 02:11:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:11:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-26 02:11:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 02:11:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:11:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:11:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:11:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:11:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 02:11:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:11:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:11:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 02:11:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 02:11:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 02:11:54,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:11:54,059 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-08-26 02:11:54,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:54 BoogieIcfgContainer [2021-08-26 02:11:54,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:11:54,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:11:54,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:11:54,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:11:54,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:11:49" (1/3) ... [2021-08-26 02:11:54,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4103dcc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:54, skipping insertion in model container [2021-08-26 02:11:54,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:50" (2/3) ... [2021-08-26 02:11:54,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4103dcc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:54, skipping insertion in model container [2021-08-26 02:11:54,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:54" (3/3) ... [2021-08-26 02:11:54,067 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2021-08-26 02:11:54,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:11:54,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-26 02:11:54,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4103dcc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:11:54, skipping insertion in model container [2021-08-26 02:11:54,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:11:54,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:11:54,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:11:54,073 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:11:54,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:54" (3/3) ... [2021-08-26 02:11:54,075 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 02:11:54,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 270 nodes and edges [2021-08-26 02:11:54,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2021-08-26 02:11:54,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-08-26 02:11:54,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-08-26 02:11:54,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 02:11:54,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 02:11:54,233 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 02:11:54,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:11:54,235 INFO L168 Benchmark]: Toolchain (without parser) took 4921.39 ms. Allocated memory was 48.2 MB in the beginning and 247.5 MB in the end (delta: 199.2 MB). Free memory was 29.5 MB in the beginning and 179.5 MB in the end (delta: -149.9 MB). Peak memory consumption was 95.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:54,235 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory is still 30.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:11:54,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1679.21 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 29.3 MB in the beginning and 32.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:54,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.99 ms. Allocated memory is still 71.3 MB. Free memory was 32.5 MB in the beginning and 32.4 MB in the end (delta: 90.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:54,236 INFO L168 Benchmark]: Boogie Preprocessor took 124.71 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 32.4 MB in the beginning and 47.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:54,236 INFO L168 Benchmark]: RCFGBuilder took 2735.90 ms. Allocated memory was 86.0 MB in the beginning and 163.6 MB in the end (delta: 77.6 MB). Free memory was 47.8 MB in the beginning and 54.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:54,236 INFO L168 Benchmark]: TraceAbstraction took 9.05 ms. Allocated memory is still 163.6 MB. Free memory was 54.5 MB in the beginning and 53.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:54,237 INFO L168 Benchmark]: Witness Printer took 160.90 ms. Allocated memory was 163.6 MB in the beginning and 247.5 MB in the end (delta: 83.9 MB). Free memory was 53.4 MB in the beginning and 179.5 MB in the end (delta: -126.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 02:11:54,238 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 48.2 MB. Free memory is still 30.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1679.21 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 29.3 MB in the beginning and 32.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 204.99 ms. Allocated memory is still 71.3 MB. Free memory was 32.5 MB in the beginning and 32.4 MB in the end (delta: 90.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.71 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 32.4 MB in the beginning and 47.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2735.90 ms. Allocated memory was 86.0 MB in the beginning and 163.6 MB in the end (delta: 77.6 MB). Free memory was 47.8 MB in the beginning and 54.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9.05 ms. Allocated memory is still 163.6 MB. Free memory was 54.5 MB in the beginning and 53.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 160.90 ms. Allocated memory was 163.6 MB in the beginning and 247.5 MB in the end (delta: 83.9 MB). Free memory was 53.4 MB in the beginning and 179.5 MB in the end (delta: -126.1 MB). Peak memory consumption was 4.2 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 02:11:54,265 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...