./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/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_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/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_0ee7707a-1a4b-4206-800b-6a581f81dd21/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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- 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 16:38:27,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:38:27,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:38:27,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:38:27,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:38:27,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:38:27,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:38:27,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:38:27,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:38:27,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:38:27,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:38:27,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:38:27,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:38:27,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:38:27,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:38:27,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:38:27,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:38:27,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:38:27,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:38:27,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:38:27,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:38:27,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:38:27,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:38:27,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:38:27,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:38:27,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:38:27,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:38:27,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:38:27,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:38:27,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:38:27,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:38:27,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:38:27,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:38:27,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:38:27,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:38:27,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:38:27,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:38:27,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:38:27,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:38:27,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:38:27,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:38:27,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:38:27,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:38:27,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:38:27,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:38:27,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:38:27,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:38:27,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:38:27,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:38:27,620 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:38:27,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:38:27,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:38:27,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:38:27,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:38:27,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:38:27,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:38:27,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:38:27,623 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:38:27,623 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:38:27,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:38:27,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:38:27,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:38:27,624 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:38:27,624 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:38:27,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:38:27,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:27,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:38:27,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:38:27,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:38:27,625 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:38:27,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:38:27,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:38:27,626 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_0ee7707a-1a4b-4206-800b-6a581f81dd21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2022-11-20 16:38:27,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:38:27,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:38:27,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:38:27,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:38:27,955 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:38:27,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2022-11-20 16:38:31,071 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:38:31,321 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:38:31,321 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2022-11-20 16:38:31,336 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data/d790527c6/db614ab74d0f4808a40cc635d28aca38/FLAG38fed5357 [2022-11-20 16:38:31,354 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data/d790527c6/db614ab74d0f4808a40cc635d28aca38 [2022-11-20 16:38:31,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:38:31,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:38:31,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:31,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:38:31,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:38:31,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:31,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb4a78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31, skipping insertion in model container [2022-11-20 16:38:31,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:31,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:38:31,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:38:31,793 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_0ee7707a-1a4b-4206-800b-6a581f81dd21/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2022-11-20 16:38:31,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:31,817 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:38:31,879 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_0ee7707a-1a4b-4206-800b-6a581f81dd21/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2022-11-20 16:38:31,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:31,929 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:38:31,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31 WrapperNode [2022-11-20 16:38:31,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:31,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:31,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:38:31,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:38:31,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:31,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:31,996 INFO L138 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 84 [2022-11-20 16:38:31,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:31,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:38:31,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:38:31,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:38:32,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:38:32,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:38:32,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:38:32,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:38:32,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:31" (1/1) ... [2022-11-20 16:38:32,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:32,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:38:32,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:38:32,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:38:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:38:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 16:38:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 16:38:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:38:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:38:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:38:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:38:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:38:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:38:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:38:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:38:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:38:32,143 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 16:38:32,321 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:38:32,323 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:38:32,571 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:38:32,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:38:32,710 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:38:32,711 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L699 is neither atomic block end nor a sink node. [2022-11-20 16:38:32,712 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 16:38:32,721 INFO L158 Benchmark]: Toolchain (without parser) took 1357.38ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 108.0MB in the end (delta: -10.7MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-11-20 16:38:32,721 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:32,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.72ms. Allocated memory is still 138.4MB. Free memory was 96.9MB in the beginning and 77.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:38:32,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.29ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:32,723 INFO L158 Benchmark]: Boogie Preprocessor took 55.41ms. Allocated memory is still 138.4MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:32,724 INFO L158 Benchmark]: RCFGBuilder took 666.19ms. Allocated memory is still 138.4MB. Free memory was 74.2MB in the beginning and 108.0MB in the end (delta: -33.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-11-20 16:38:32,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.72ms. Allocated memory is still 138.4MB. Free memory was 96.9MB in the beginning and 77.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.29ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.41ms. Allocated memory is still 138.4MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.19ms. Allocated memory is still 138.4MB. Free memory was 74.2MB in the beginning and 108.0MB in the end (delta: -33.7MB). Peak memory consumption was 22.7MB. 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 16:38:32,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/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_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/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_0ee7707a-1a4b-4206-800b-6a581f81dd21/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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- 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 16:38:35,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:38:35,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:38:35,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:38:35,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:38:35,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:38:35,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:38:35,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:38:35,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:38:35,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:38:35,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:38:35,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:38:35,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:38:35,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:38:35,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:38:35,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:38:35,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:38:35,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:38:35,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:38:35,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:38:35,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:38:35,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:38:35,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:38:35,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:38:35,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:38:35,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:38:35,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:38:35,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:38:35,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:38:35,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:38:35,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:38:35,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:38:35,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:38:35,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:38:35,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:38:35,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:38:35,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:38:35,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:38:35,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:38:35,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:38:35,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:38:35,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:38:35,505 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:38:35,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:38:35,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:38:35,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:38:35,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:38:35,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:38:35,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:38:35,513 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:38:35,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:38:35,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:38:35,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:38:35,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:38:35,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:38:35,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:38:35,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:38:35,516 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:38:35,516 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:38:35,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:38:35,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:38:35,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:38:35,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:38:35,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:38:35,518 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:38:35,518 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:38:35,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:38:35,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:35,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:38:35,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:38:35,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:38:35,520 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:38:35,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:38:35,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:38:35,520 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:38:35,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:38:35,521 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_0ee7707a-1a4b-4206-800b-6a581f81dd21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2022-11-20 16:38:35,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:38:35,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:38:35,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:38:35,924 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:38:35,924 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:38:35,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2022-11-20 16:38:38,964 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:38:39,381 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:38:39,385 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2022-11-20 16:38:39,408 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data/5424a224d/965b6805822b45a29189f4d583706d00/FLAG26ef213b2 [2022-11-20 16:38:39,427 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/data/5424a224d/965b6805822b45a29189f4d583706d00 [2022-11-20 16:38:39,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:38:39,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:38:39,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:39,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:38:39,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:38:39,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:39" (1/1) ... [2022-11-20 16:38:39,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119d2d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:39, skipping insertion in model container [2022-11-20 16:38:39,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:39" (1/1) ... [2022-11-20 16:38:39,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:38:39,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:38:39,949 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_0ee7707a-1a4b-4206-800b-6a581f81dd21/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2022-11-20 16:38:39,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:39,971 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:38:40,036 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_0ee7707a-1a4b-4206-800b-6a581f81dd21/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2022-11-20 16:38:40,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:40,139 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:38:40,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40 WrapperNode [2022-11-20 16:38:40,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:40,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:40,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:38:40,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:38:40,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,187 INFO L138 Inliner]: procedures = 175, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2022-11-20 16:38:40,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:40,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:38:40,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:38:40,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:38:40,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:38:40,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:38:40,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:38:40,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:38:40,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:40,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:38:40,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:38:40,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:38:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:38:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 16:38:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 16:38:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:38:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:38:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:38:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:38:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:38:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:38:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:38:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:38:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:38:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:38:40,340 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 16:38:40,495 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:38:40,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:38:40,863 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:38:40,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:38:40,970 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:38:40,971 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L699 is neither atomic block end nor a sink node. [2022-11-20 16:38:40,991 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 16:38:40,995 INFO L158 Benchmark]: Toolchain (without parser) took 1563.33ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 66.2MB in the end (delta: -1.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-20 16:38:40,995 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:40,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.52ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 64.2MB in the end (delta: 703.7kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-20 16:38:40,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.04ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 61.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:40,997 INFO L158 Benchmark]: Boogie Preprocessor took 49.16ms. Allocated memory is still 88.1MB. Free memory was 61.8MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:40,998 INFO L158 Benchmark]: RCFGBuilder took 755.24ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 66.2MB in the end (delta: -6.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-20 16:38:41,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.52ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 64.2MB in the end (delta: 703.7kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.04ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 61.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.16ms. Allocated memory is still 88.1MB. Free memory was 61.8MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 755.24ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 66.2MB in the end (delta: -6.1MB). Peak memory consumption was 26.0MB. 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 16:38:41,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee7707a-1a4b-4206-800b-6a581f81dd21/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?