./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:42:31,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:42:31,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:42:31,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:42:31,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:42:31,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:42:31,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:42:31,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:42:31,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:42:31,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:42:31,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:42:31,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:42:31,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:42:31,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:42:31,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:42:31,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:42:31,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:42:31,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:42:31,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:42:31,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:42:31,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:42:31,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:42:31,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:42:31,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:42:31,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:42:31,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:42:31,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:42:31,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:42:31,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:42:31,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:42:31,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:42:31,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:42:31,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:42:31,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:42:31,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:42:31,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:42:31,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:42:31,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:42:31,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:42:31,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:42:31,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:42:31,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:42:31,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:42:31,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:42:31,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:42:31,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:42:31,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:42:31,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:42:31,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:42:31,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:42:31,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:42:31,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:42:31,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:42:31,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:42:31,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:42:31,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:42:31,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:42:31,851 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:42:31,852 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:42:31,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:42:31,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:42:31,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:42:31,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:42:31,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:42:31,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:42:31,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:42:31,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:42:31,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:42:31,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:42:31,855 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:42:31,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:42:31,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:42:31,856 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_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 [2022-11-20 17:42:32,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:42:32,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:42:32,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:42:32,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:42:32,235 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:42:32,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2022-11-20 17:42:35,189 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:42:35,456 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:42:35,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2022-11-20 17:42:35,467 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data/aee290e25/ece7b72b88614bffb669f1a3c8f28a08/FLAG2d112b101 [2022-11-20 17:42:35,481 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data/aee290e25/ece7b72b88614bffb669f1a3c8f28a08 [2022-11-20 17:42:35,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:42:35,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:42:35,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:35,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:42:35,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:42:35,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:35" (1/1) ... [2022-11-20 17:42:35,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2061d7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:35, skipping insertion in model container [2022-11-20 17:42:35,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:35" (1/1) ... [2022-11-20 17:42:35,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:42:35,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:42:35,769 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:35,925 WARN L237 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_42edcf1b-1e15-40e6-9f22-baabe12e89f3/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2022-11-20 17:42:35,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:35,946 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:42:35,961 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:35,982 WARN L237 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_42edcf1b-1e15-40e6-9f22-baabe12e89f3/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2022-11-20 17:42:35,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:36,023 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:42:36,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36 WrapperNode [2022-11-20 17:42:36,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:36,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:36,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:42:36,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:42:36,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,098 INFO L138 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2022-11-20 17:42:36,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:36,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:42:36,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:42:36,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:42:36,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:42:36,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:42:36,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:42:36,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:42:36,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:36" (1/1) ... [2022-11-20 17:42:36,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:42:36,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:42:36,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:42:36,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:42:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:42:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:42:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:42:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:42:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:42:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:42:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:42:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:42:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:42:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:42:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:42:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:42:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:42:36,237 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:42:36,361 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:42:36,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:42:36,515 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:42:36,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:42:36,570 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:42:36,571 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L707 is neither atomic block end nor a sink node. [2022-11-20 17:42:36,572 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2022-11-20 17:42:36,577 INFO L158 Benchmark]: Toolchain (without parser) took 1090.75ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 105.0MB in the end (delta: 32.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-11-20 17:42:36,577 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 81.4MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:42:36,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.06ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 123.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:42:36,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.94ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 121.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:42:36,596 INFO L158 Benchmark]: Boogie Preprocessor took 38.46ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:42:36,596 INFO L158 Benchmark]: RCFGBuilder took 436.47ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 105.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:42:36,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 81.4MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.06ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 123.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.94ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 121.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.46ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.47ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 105.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:42:36,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:42:39,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:42:39,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:42:39,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:42:39,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:42:39,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:42:39,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:42:39,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:42:39,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:42:39,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:42:39,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:42:39,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:42:39,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:42:39,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:42:39,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:42:39,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:42:39,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:42:39,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:42:39,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:42:39,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:42:39,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:42:39,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:42:39,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:42:39,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:42:39,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:42:39,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:42:39,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:42:39,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:42:39,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:42:39,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:42:39,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:42:39,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:42:39,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:42:39,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:42:39,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:42:39,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:42:39,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:42:39,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:42:39,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:42:39,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:42:39,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:42:39,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:42:39,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:42:39,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:42:39,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:42:39,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:42:39,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:42:39,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:42:39,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:42:39,142 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:42:39,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:42:39,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:42:39,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:42:39,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:42:39,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:42:39,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:42:39,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:42:39,144 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:42:39,144 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:42:39,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:42:39,145 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:42:39,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:42:39,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:42:39,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:42:39,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:42:39,146 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:42:39,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:42:39,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:42:39,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:42:39,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:42:39,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:42:39,148 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:42:39,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:42:39,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:42:39,148 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:42:39,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:42:39,149 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_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 [2022-11-20 17:42:39,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:42:39,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:42:39,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:42:39,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:42:39,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:42:39,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2022-11-20 17:42:42,572 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:42:42,787 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:42:42,788 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2022-11-20 17:42:42,802 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data/311a65519/cf6790b902974189982b5ddabb9f4daa/FLAG2f529f220 [2022-11-20 17:42:42,823 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/data/311a65519/cf6790b902974189982b5ddabb9f4daa [2022-11-20 17:42:42,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:42:42,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:42:42,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:42,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:42:42,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:42:42,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:42" (1/1) ... [2022-11-20 17:42:42,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537567f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:42, skipping insertion in model container [2022-11-20 17:42:42,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:42" (1/1) ... [2022-11-20 17:42:42,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:42:42,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:42:43,065 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:43,205 WARN L237 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_42edcf1b-1e15-40e6-9f22-baabe12e89f3/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2022-11-20 17:42:43,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:43,235 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:42:43,264 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:43,305 WARN L237 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_42edcf1b-1e15-40e6-9f22-baabe12e89f3/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2022-11-20 17:42:43,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:43,348 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:42:43,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43 WrapperNode [2022-11-20 17:42:43,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:43,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:43,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:42:43,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:42:43,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,396 INFO L138 Inliner]: procedures = 177, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2022-11-20 17:42:43,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:43,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:42:43,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:42:43,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:42:43,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:42:43,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:42:43,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:42:43,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:42:43,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:43" (1/1) ... [2022-11-20 17:42:43,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:42:43,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:42:43,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:42:43,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:42:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:42:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:42:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:42:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:42:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:42:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:42:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:42:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:42:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:42:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:42:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:42:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:42:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:42:43,555 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:42:43,698 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:42:43,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:42:43,960 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:42:44,015 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:42:44,016 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:42:44,017 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L707 is neither atomic block end nor a sink node. [2022-11-20 17:42:44,017 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2022-11-20 17:42:44,027 INFO L158 Benchmark]: Toolchain (without parser) took 1199.27ms. Allocated memory is still 90.2MB. Free memory was 47.6MB in the beginning and 61.5MB in the end (delta: -13.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-11-20 17:42:44,034 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:42:44,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.75ms. Allocated memory is still 90.2MB. Free memory was 47.4MB in the beginning and 54.1MB in the end (delta: -6.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-20 17:42:44,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.56ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 51.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:42:44,036 INFO L158 Benchmark]: Boogie Preprocessor took 57.66ms. Allocated memory is still 90.2MB. Free memory was 51.9MB in the beginning and 50.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:42:44,036 INFO L158 Benchmark]: RCFGBuilder took 569.94ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 61.5MB in the end (delta: -11.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-20 17:42:44,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.75ms. Allocated memory is still 90.2MB. Free memory was 47.4MB in the beginning and 54.1MB in the end (delta: -6.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.56ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 51.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.66ms. Allocated memory is still 90.2MB. Free memory was 51.9MB in the beginning and 50.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.94ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 61.5MB in the end (delta: -11.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:42:44,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42edcf1b-1e15-40e6-9f22-baabe12e89f3/bin/ukojak-pZX7IvK2PQ/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?