./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu --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 e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:18,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:18,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:18,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:18,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:18,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:18,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:18,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:18,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:18,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:18,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:18,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:18,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:18,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:18,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:18,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:18,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:18,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:18,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:18,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:18,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:18,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:18,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:18,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:19,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:19,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:19,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:19,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:19,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:19,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:19,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:19,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:19,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:19,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:19,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:19,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:19,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:19,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:19,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:19,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:19,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:19,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:42:19,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:19,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:19,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:19,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:19,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:19,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:19,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:19,070 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:19,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:19,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:19,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:19,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:19,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:19,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:19,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:19,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:19,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:19,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:19,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:19,080 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:19,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:19,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:19,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:19,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:19,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:19,081 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:42:19,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:42:19,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:19,082 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_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-23 15:42:19,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:19,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:19,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:19,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:19,422 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:19,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-23 15:42:19,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/70113599e/d86eedb542634e7ca72cba734adfe244/FLAG151cbe0ef [2021-11-23 15:42:20,134 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:20,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-23 15:42:20,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/70113599e/d86eedb542634e7ca72cba734adfe244/FLAG151cbe0ef [2021-11-23 15:42:20,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/70113599e/d86eedb542634e7ca72cba734adfe244 [2021-11-23 15:42:20,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:20,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:20,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:20,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:20,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:20,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:20" (1/1) ... [2021-11-23 15:42:20,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d38191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:20, skipping insertion in model container [2021-11-23 15:42:20,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:20" (1/1) ... [2021-11-23 15:42:20,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:20,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:20,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-23 15:42:20,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:20,952 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:20,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-23 15:42:21,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:21,108 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:21,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21 WrapperNode [2021-11-23 15:42:21,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:21,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:21,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:21,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:21,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,200 INFO L137 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 597 [2021-11-23 15:42:21,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:21,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:21,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:21,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:21,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:21,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:21,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:21,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:21,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:21" (1/1) ... [2021-11-23 15:42:21,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:21,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:21,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:21,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:42:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:42:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:42:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:42:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:42:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:42:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:42:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:42:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-23 15:42:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-23 15:42:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:42:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:42:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:42:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:42:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:42:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-23 15:42:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-23 15:42:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:21,600 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:21,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:22,075 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:42:22,075 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-11-23 15:42:32,597 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:32,623 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:42:32,635 INFO L158 Benchmark]: Toolchain (without parser) took 12260.61ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 50.0MB in the beginning and 72.1MB in the end (delta: -22.2MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2021-11-23 15:42:32,637 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:32,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.76ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 67.4MB in the end (delta: -17.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 15:42:32,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.64ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 62.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:32,641 INFO L158 Benchmark]: Boogie Preprocessor took 63.94ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 59.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:32,642 INFO L158 Benchmark]: RCFGBuilder took 11367.17ms. Allocated memory is still 109.1MB. Free memory was 59.0MB in the beginning and 72.1MB in the end (delta: -13.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-11-23 15:42:32,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.76ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 67.4MB in the end (delta: -17.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.64ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 62.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.94ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 59.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11367.17ms. Allocated memory is still 109.1MB. Free memory was 59.0MB in the beginning and 72.1MB in the end (delta: -13.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:42:32,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu --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 e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:35,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:35,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:35,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:35,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:35,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:35,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:35,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:35,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:35,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:35,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:35,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:35,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:35,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:35,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:35,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:35,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:35,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:35,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:35,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:35,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:35,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:35,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:35,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:35,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:35,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:35,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:35,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:35,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:35,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:35,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:35,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:35,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:35,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:35,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:35,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:35,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:35,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:35,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:35,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:35,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:35,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:42:35,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:35,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:35,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:35,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:35,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:35,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:35,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:35,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:35,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:35,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:35,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:35,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:35,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:35,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:42:35,196 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:42:35,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:42:35,196 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:35,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:35,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:35,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:35,197 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:35,197 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:35,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:35,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:35,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:35,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:35,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:35,199 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:42:35,199 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:42:35,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:35,199 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:42:35,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:42:35,200 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_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-23 15:42:35,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:35,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:35,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:35,592 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:35,593 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:35,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-23 15:42:35,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/8156af228/e60bc50972634c3fb476a7c1c6517173/FLAG2e5c4f7bd [2021-11-23 15:42:36,367 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:36,368 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-23 15:42:36,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/8156af228/e60bc50972634c3fb476a7c1c6517173/FLAG2e5c4f7bd [2021-11-23 15:42:36,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/data/8156af228/e60bc50972634c3fb476a7c1c6517173 [2021-11-23 15:42:36,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:36,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:36,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:36,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:36,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:36,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:36,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fc01fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36, skipping insertion in model container [2021-11-23 15:42:36,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:36,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:36,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:37,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-23 15:42:37,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:37,239 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:37,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-23 15:42:37,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:37,427 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:37,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37 WrapperNode [2021-11-23 15:42:37,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:37,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:37,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:37,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:37,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,531 INFO L137 Inliner]: procedures = 151, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 586 [2021-11-23 15:42:37,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:37,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:37,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:37,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:37,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:37,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:37,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:37,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:37,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:37,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:37,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:37,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:42:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:42:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:42:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:42:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:42:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:42:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:42:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:42:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-23 15:42:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-23 15:42:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:42:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:42:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:42:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:42:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:42:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:42:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:42:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:42:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-23 15:42:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-23 15:42:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:37,947 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:37,949 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:38,466 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:42:38,467 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2021-11-23 15:42:49,445 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:49,501 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:42:49,507 INFO L158 Benchmark]: Toolchain (without parser) took 12868.79ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.7MB in the beginning and 46.1MB in the end (delta: -4.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 15:42:49,509 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:49,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.29ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.4MB in the beginning and 66.0MB in the end (delta: -24.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:49,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.42ms. Allocated memory is still 86.0MB. Free memory was 66.0MB in the beginning and 61.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:49,512 INFO L158 Benchmark]: Boogie Preprocessor took 76.01ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 57.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:49,513 INFO L158 Benchmark]: RCFGBuilder took 11896.08ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 46.1MB in the end (delta: 11.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-11-23 15:42:49,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.29ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.4MB in the beginning and 66.0MB in the end (delta: -24.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.42ms. Allocated memory is still 86.0MB. Free memory was 66.0MB in the beginning and 61.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.01ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 57.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11896.08ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 46.1MB in the end (delta: 11.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:42:49,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc04459-1e3c-4890-a4af-16ba0fbadb60/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable