./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d8654406b0017787fa4ace126fd130560d0ff458 ................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:17:09,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:17:09,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:17:09,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:17:09,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:17:09,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:17:09,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:17:09,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:17:09,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:17:09,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:17:09,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:17:09,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:17:09,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:17:09,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:17:09,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:17:09,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:17:09,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:17:09,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:17:09,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:17:09,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:17:09,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:17:09,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:17:09,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:17:09,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:17:09,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:17:09,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:17:09,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:17:09,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:17:09,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:17:09,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:17:09,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:17:09,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:17:09,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:17:09,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:17:09,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:17:09,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:17:09,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:17:09,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:17:09,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:17:09,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:17:09,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:17:09,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:17:09,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:17:09,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:17:09,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:17:09,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:17:09,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:17:09,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:17:09,680 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:17:09,681 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:17:09,681 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:17:09,681 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:17:09,681 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:17:09,681 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:17:09,681 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:17:09,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:17:09,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:17:09,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:17:09,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:17:09,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:17:09,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:17:09,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:17:09,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:17:09,692 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:17:09,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:17:09,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:17:09,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:17:09,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:17:09,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:17:09,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:17:09,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:17:09,694 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:17:09,694 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8654406b0017787fa4ace126fd130560d0ff458 [2021-08-31 01:17:09,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:17:09,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:17:09,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:17:09,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:17:09,955 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:17:09,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2021-08-31 01:17:09,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58ce5511/dc0354686a06445abd9d554c16405094/FLAG22ec2b470 [2021-08-31 01:17:10,332 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:17:10,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2021-08-31 01:17:10,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58ce5511/dc0354686a06445abd9d554c16405094/FLAG22ec2b470 [2021-08-31 01:17:10,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58ce5511/dc0354686a06445abd9d554c16405094 [2021-08-31 01:17:10,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:17:10,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:17:10,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:17:10,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:17:10,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:17:10,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cce5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10, skipping insertion in model container [2021-08-31 01:17:10,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:17:10,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:17:10,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:17:10,899 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:17:10,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:17:10,916 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:17:10,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10 WrapperNode [2021-08-31 01:17:10,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:17:10,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:17:10,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:17:10,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:17:10,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:17:10,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:17:10,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:17:10,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:17:10,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:17:10,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:17:10,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:17:10,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:17:10,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (1/1) ... [2021-08-31 01:17:10,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:17:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:17:10,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:17:11,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 01:17:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:17:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:17:11,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:17:11,142 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-08-31 01:17:11,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:17:11 BoogieIcfgContainer [2021-08-31 01:17:11,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:17:11,146 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:17:11,146 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:17:11,148 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:17:11,148 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:17:11,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:17:10" (1/3) ... [2021-08-31 01:17:11,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63cce884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:17:11, skipping insertion in model container [2021-08-31 01:17:11,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:17:11,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:17:10" (2/3) ... [2021-08-31 01:17:11,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63cce884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:17:11, skipping insertion in model container [2021-08-31 01:17:11,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:17:11,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:17:11" (3/3) ... [2021-08-31 01:17:11,152 INFO L389 chiAutomizerObserver]: Analyzing ICFG HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2021-08-31 01:17:11,193 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:17:11,193 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:17:11,194 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:17:11,194 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:17:11,194 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:17:11,194 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:17:11,194 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:17:11,194 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:17:11,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.65) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:17:11,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-08-31 01:17:11,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:17:11,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:17:11,223 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:17:11,223 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:17:11,223 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:17:11,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.65) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:17:11,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-08-31 01:17:11,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:17:11,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:17:11,227 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:17:11,227 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:17:11,233 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue ~LOCK~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post3, main_#t~nondet1, main_#t~nondet4, main_#t~post5, main_~got_lock~0, main_~old~0, main_~new~0;havoc main_~got_lock~0;main_~old~0 := 0;main_~new~0 := 0; 16#L34true assume 0 != main_#t~nondet0;havoc main_#t~nondet0; 12#L35-3true [2021-08-31 01:17:11,233 INFO L793 eck$LassoCheckResult]: Loop: 12#L35-3true main_~got_lock~0 := 0; 13#L37true assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 5#L37-2true assume !(0 != main_~got_lock~0); 15#L35-1true assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1; 12#L35-3true [2021-08-31 01:17:11,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:17:11,237 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-08-31 01:17:11,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:17:11,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99089194] [2021-08-31 01:17:11,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:17:11,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:17:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:17:11,294 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:17:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:17:11,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:17:11,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:17:11,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1212883, now seen corresponding path program 1 times [2021-08-31 01:17:11,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:17:11,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167906902] [2021-08-31 01:17:11,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:17:11,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:17:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:17:11,311 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:17:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:17:11,313 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:17:11,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:17:11,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1804975604, now seen corresponding path program 1 times [2021-08-31 01:17:11,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:17:11,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656037591] [2021-08-31 01:17:11,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:17:11,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:17:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:17:11,318 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:17:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:17:11,322 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:17:11,410 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 01:17:11,422 INFO L158 Benchmark]: Toolchain (without parser) took 624.19ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 29.7MB in the beginning and 42.9MB in the end (delta: -13.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2021-08-31 01:17:11,422 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:17:11,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 117.79ms. Allocated memory is still 52.4MB. Free memory was 29.5MB in the beginning and 34.3MB in the end (delta: -4.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-08-31 01:17:11,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.31ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.3MB in the beginning and 53.5MB in the end (delta: -19.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:17:11,424 INFO L158 Benchmark]: Boogie Preprocessor took 25.70ms. Allocated memory is still 69.2MB. Free memory was 53.5MB in the beginning and 52.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:17:11,424 INFO L158 Benchmark]: RCFGBuilder took 178.19ms. Allocated memory is still 69.2MB. Free memory was 52.5MB in the beginning and 44.5MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 01:17:11,425 INFO L158 Benchmark]: BuchiAutomizer took 275.11ms. Allocated memory is still 69.2MB. Free memory was 44.4MB in the beginning and 42.9MB in the end (delta: 1.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-08-31 01:17:11,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 117.79ms. Allocated memory is still 52.4MB. Free memory was 29.5MB in the beginning and 34.3MB in the end (delta: -4.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.31ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.3MB in the beginning and 53.5MB in the end (delta: -19.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.70ms. Allocated memory is still 69.2MB. Free memory was 53.5MB in the beginning and 52.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 178.19ms. Allocated memory is still 69.2MB. Free memory was 52.5MB in the beginning and 44.5MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 275.11ms. Allocated memory is still 69.2MB. Free memory was 44.4MB in the beginning and 42.9MB in the end (delta: 1.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:17:11,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...