./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cccac673da33440338902337dfed929cbdf02b88 ..................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cccac673da33440338902337dfed929cbdf02b88 ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:14:00,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:14:00,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:14:00,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:14:00,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:14:00,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:14:00,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:14:00,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:14:00,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:14:00,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:14:00,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:14:00,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:14:00,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:14:00,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:14:00,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:14:00,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:14:00,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:14:00,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:14:00,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:14:00,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:14:00,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:14:00,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:14:00,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:14:00,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:14:00,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:14:00,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:14:00,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:14:00,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:14:00,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:14:00,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:14:00,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:14:00,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:14:00,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:14:00,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:14:00,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:14:00,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:14:00,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:14:00,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:14:00,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:14:00,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:14:00,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:14:00,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:14:01,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:14:01,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:14:01,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:14:01,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:14:01,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:14:01,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:14:01,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:14:01,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:14:01,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:14:01,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:14:01,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:14:01,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:14:01,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:14:01,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:14:01,009 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:14:01,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:14:01,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:14:01,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:14:01,010 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:14:01,011 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:14:01,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:14:01,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:14:01,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:14:01,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:14:01,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:14:01,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:14:01,013 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:14:01,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:14:01,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:14:01,014 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:/tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cccac673da33440338902337dfed929cbdf02b88 [2020-11-29 20:14:01,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:14:01,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:14:01,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:14:01,276 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:14:01,278 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:14:01,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-11-29 20:14:01,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/ae72c6a3e/7083738de62842a49c86a3c7d908d458/FLAGcd9b7704c [2020-11-29 20:14:02,020 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:14:02,021 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-11-29 20:14:02,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/ae72c6a3e/7083738de62842a49c86a3c7d908d458/FLAGcd9b7704c [2020-11-29 20:14:02,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/ae72c6a3e/7083738de62842a49c86a3c7d908d458 [2020-11-29 20:14:02,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:14:02,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:14:02,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:14:02,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:14:02,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:14:02,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e040a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02, skipping insertion in model container [2020-11-29 20:14:02,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:14:02,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:14:02,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:14:02,729 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:14:02,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:14:02,840 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:14:02,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02 WrapperNode [2020-11-29 20:14:02,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:14:02,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:14:02,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:14:02,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:14:02,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:14:02,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:14:02,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:14:02,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:14:02,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... [2020-11-29 20:14:02,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:14:02,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:14:02,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:14:02,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:14:02,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:14:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:14:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-29 20:14:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-29 20:14:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:14:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:14:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:14:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:14:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:14:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:14:03,024 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 20:14:03,818 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:14:03,818 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-29 20:14:03,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:14:03 BoogieIcfgContainer [2020-11-29 20:14:03,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:14:03,821 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:14:03,821 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:14:03,834 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:14:03,835 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:14:03" (1/1) ... [2020-11-29 20:14:03,836 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2020-11-29 20:14:03,846 INFO L168 Benchmark]: Toolchain (without parser) took 1566.49 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 62.8 MB in the beginning and 75.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:03,847 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:14:03,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.76 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 54.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:03,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 51.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:03,852 INFO L168 Benchmark]: Boogie Preprocessor took 28.76 ms. Allocated memory is still 96.5 MB. Free memory was 51.9 MB in the beginning and 50.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:14:03,853 INFO L168 Benchmark]: RCFGBuilder took 904.62 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 50.3 MB in the beginning and 76.1 MB in the end (delta: -25.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:03,854 INFO L168 Benchmark]: CodeCheck took 22.07 ms. Allocated memory is still 119.5 MB. Free memory was 76.1 MB in the beginning and 75.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:14:03,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 560.76 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 54.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 51.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.76 ms. Allocated memory is still 96.5 MB. Free memory was 51.9 MB in the beginning and 50.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 904.62 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 50.3 MB in the beginning and 76.1 MB in the end (delta: -25.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * CodeCheck took 22.07 ms. Allocated memory is still 119.5 MB. Free memory was 76.1 MB in the beginning and 75.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:14:06,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:14:06,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:14:06,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:14:06,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:14:06,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:14:06,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:14:06,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:14:06,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:14:06,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:14:06,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:14:06,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:14:06,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:14:06,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:14:06,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:14:06,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:14:06,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:14:06,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:14:06,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:14:06,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:14:06,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:14:06,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:14:06,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:14:06,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:14:06,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:14:06,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:14:06,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:14:06,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:14:06,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:14:06,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:14:06,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:14:06,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:14:06,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:14:06,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:14:06,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:14:06,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:14:06,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:14:06,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:14:06,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:14:06,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:14:06,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:14:06,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 20:14:06,603 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:14:06,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:14:06,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:14:06,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:14:06,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:14:06,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:14:06,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:14:06,609 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:14:06,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:14:06,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:14:06,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:14:06,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:14:06,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:14:06,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 20:14:06,612 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 20:14:06,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 20:14:06,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:14:06,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:14:06,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:14:06,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:14:06,613 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:14:06,613 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:14:06,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:14:06,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:14:06,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:14:06,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:14:06,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:14:06,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:14:06,615 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 20:14:06,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 20:14:06,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:14:06,616 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 20:14:06,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 20:14:06,616 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cccac673da33440338902337dfed929cbdf02b88 [2020-11-29 20:14:06,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:14:07,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:14:07,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:14:07,047 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:14:07,048 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:14:07,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-11-29 20:14:07,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/7a84528d4/8dcb68e8d50e47019ab80f98ce1be361/FLAGaea5aedb8 [2020-11-29 20:14:07,702 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:14:07,705 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-11-29 20:14:07,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/7a84528d4/8dcb68e8d50e47019ab80f98ce1be361/FLAGaea5aedb8 [2020-11-29 20:14:07,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/data/7a84528d4/8dcb68e8d50e47019ab80f98ce1be361 [2020-11-29 20:14:07,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:14:07,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:14:07,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:14:07,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:14:07,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:14:07,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:14:07" (1/1) ... [2020-11-29 20:14:08,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146ab6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:07, skipping insertion in model container [2020-11-29 20:14:08,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:14:07" (1/1) ... [2020-11-29 20:14:08,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:14:08,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:14:08,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:14:08,480 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:14:08,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:14:08,624 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:14:08,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08 WrapperNode [2020-11-29 20:14:08,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:14:08,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:14:08,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:14:08,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:14:08,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:14:08,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:14:08,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:14:08,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:14:08,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... [2020-11-29 20:14:08,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:14:08,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:14:08,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:14:08,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:14:08,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20f69147-3f2e-47ba-9f0a-891089f575d4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:14:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 20:14:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-29 20:14:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-29 20:14:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:14:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:14:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 20:14:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 20:14:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:14:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:14:08,793 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 20:14:09,659 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:14:09,659 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-29 20:14:09,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:14:09 BoogieIcfgContainer [2020-11-29 20:14:09,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:14:09,663 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:14:09,663 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:14:09,674 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:14:09,674 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:14:09" (1/1) ... [2020-11-29 20:14:09,675 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2020-11-29 20:14:09,682 INFO L168 Benchmark]: Toolchain (without parser) took 1689.45 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.3 MB in the beginning and 28.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:09,683 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.1 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:14:09,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.46 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 51.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:09,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 73.4 MB. Free memory was 51.1 MB in the beginning and 49.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:09,687 INFO L168 Benchmark]: Boogie Preprocessor took 35.15 ms. Allocated memory is still 73.4 MB. Free memory was 49.0 MB in the beginning and 47.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:09,688 INFO L168 Benchmark]: RCFGBuilder took 945.93 ms. Allocated memory is still 73.4 MB. Free memory was 46.9 MB in the beginning and 29.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:14:09,688 INFO L168 Benchmark]: CodeCheck took 16.78 ms. Allocated memory is still 73.4 MB. Free memory was 29.3 MB in the beginning and 28.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:14:09,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.1 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 633.46 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 51.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 73.4 MB. Free memory was 51.1 MB in the beginning and 49.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.15 ms. Allocated memory is still 73.4 MB. Free memory was 49.0 MB in the beginning and 47.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 945.93 ms. Allocated memory is still 73.4 MB. Free memory was 46.9 MB in the beginning and 29.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * CodeCheck took 16.78 ms. Allocated memory is still 73.4 MB. Free memory was 29.3 MB in the beginning and 28.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...