./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.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_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/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_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/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_13c1a4e3-3e0e-4020-8514-309b297f0df3/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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- 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 17:11:16,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:11:16,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:11:16,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:11:16,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:11:16,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:11:16,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:11:16,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:11:16,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:11:16,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:11:16,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:11:16,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:11:16,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:11:16,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:11:16,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:11:16,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:11:16,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:11:16,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:11:16,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:11:16,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:11:16,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:11:16,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:11:16,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:11:16,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:11:16,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:11:16,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:11:16,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:11:16,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:11:16,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:11:16,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:11:16,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:11:16,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:11:16,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:11:16,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:11:16,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:11:16,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:11:16,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:11:16,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:11:16,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:11:16,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:11:16,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:11:16,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:11:16,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:11:16,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:11:16,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:11:16,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:11:16,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:11:16,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:11:16,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:11:16,186 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:11:16,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:11:16,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:11:16,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:11:16,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:11:16,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:11:16,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:11:16,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:11:16,187 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:11:16,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:11:16,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:11:16,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:11:16,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:11:16,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:11:16,191 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:11:16,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:11:16,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:16,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:11:16,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:11:16,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:11:16,193 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:11:16,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:11:16,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:11:16,195 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_13c1a4e3-3e0e-4020-8514-309b297f0df3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2022-11-20 17:11:16,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:11:16,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:11:16,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:11:16,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:11:16,523 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:11:16,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-20 17:11:19,517 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:11:19,927 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:11:19,928 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-20 17:11:19,952 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data/ba4e15ed8/597466e7978c43679207b2a031c970ac/FLAG998ef6085 [2022-11-20 17:11:19,972 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data/ba4e15ed8/597466e7978c43679207b2a031c970ac [2022-11-20 17:11:19,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:11:19,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:11:19,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:19,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:11:19,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:11:19,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:19" (1/1) ... [2022-11-20 17:11:19,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4bd031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19, skipping insertion in model container [2022-11-20 17:11:19,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:19" (1/1) ... [2022-11-20 17:11:19,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:11:20,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:11:20,797 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_13c1a4e3-3e0e-4020-8514-309b297f0df3/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-20 17:11:20,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:20,854 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:11:20,916 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_13c1a4e3-3e0e-4020-8514-309b297f0df3/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-20 17:11:20,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:21,021 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:11:21,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21 WrapperNode [2022-11-20 17:11:21,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:21,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:21,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:11:21,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:11:21,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,079 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-20 17:11:21,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:21,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:11:21,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:11:21,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:11:21,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:11:21,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:11:21,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:11:21,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:11:21,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:21" (1/1) ... [2022-11-20 17:11:21,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:11:21,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:11:21,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:11:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:11:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:11:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:11:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:11:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:11:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:11:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:11:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 17:11:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 17:11:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:11:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:11:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:11:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:11:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:11:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:11:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:11:21,273 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 17:11:21,669 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:11:21,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:11:21,854 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:11:21,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:11:21,943 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:11:21,958 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: ldv_assertENTRY is neither atomic block end nor a sink node. [2022-11-20 17:11:21,958 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:11:21,963 INFO L158 Benchmark]: Toolchain (without parser) took 1986.74ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 116.6MB in the beginning and 138.8MB in the end (delta: -22.2MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2022-11-20 17:11:21,964 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:11:21,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1045.17ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 63.6MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 17:11:21,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.11ms. Allocated memory is still 153.1MB. Free memory was 63.6MB in the beginning and 60.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:11:21,966 INFO L158 Benchmark]: Boogie Preprocessor took 52.04ms. Allocated memory is still 153.1MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:11:21,966 INFO L158 Benchmark]: RCFGBuilder took 828.41ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 138.8MB in the end (delta: -80.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-20 17:11:21,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1045.17ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 63.6MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.11ms. Allocated memory is still 153.1MB. Free memory was 63.6MB in the beginning and 60.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.04ms. Allocated memory is still 153.1MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.41ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 138.8MB in the end (delta: -80.9MB). Peak memory consumption was 12.4MB. 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 17:11:21,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/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_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/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_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/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_13c1a4e3-3e0e-4020-8514-309b297f0df3/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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- 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 17:11:24,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:11:24,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:11:24,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:11:24,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:11:24,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:11:24,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:11:24,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:11:24,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:11:24,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:11:24,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:11:24,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:11:24,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:11:24,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:11:24,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:11:24,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:11:24,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:11:24,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:11:24,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:11:24,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:11:24,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:11:24,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:11:24,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:11:24,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:11:24,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:11:24,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:11:24,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:11:24,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:11:24,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:11:24,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:11:24,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:11:24,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:11:24,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:11:24,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:11:24,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:11:24,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:11:24,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:11:24,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:11:24,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:11:24,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:11:24,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:11:24,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:11:24,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:11:24,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:11:24,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:11:24,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:11:24,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:11:24,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:11:24,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:11:24,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:11:24,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:11:24,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:11:24,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:11:24,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:11:24,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:11:24,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:11:24,712 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:11:24,713 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:11:24,713 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:11:24,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:11:24,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:11:24,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:11:24,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:11:24,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:11:24,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:11:24,715 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:11:24,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:11:24,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:24,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:11:24,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:11:24,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:11:24,716 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:11:24,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:11:24,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:11:24,717 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:11:24,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:11:24,717 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_13c1a4e3-3e0e-4020-8514-309b297f0df3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2022-11-20 17:11:25,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:11:25,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:11:25,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:11:25,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:11:25,156 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:11:25,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-20 17:11:28,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:11:28,574 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:11:28,575 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-20 17:11:28,600 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data/588657860/4f7b8645b57a4063833bf35b7950f83f/FLAG89c867318 [2022-11-20 17:11:28,619 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/data/588657860/4f7b8645b57a4063833bf35b7950f83f [2022-11-20 17:11:28,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:11:28,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:11:28,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:28,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:11:28,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:11:28,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:28" (1/1) ... [2022-11-20 17:11:28,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2d02c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:28, skipping insertion in model container [2022-11-20 17:11:28,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:28" (1/1) ... [2022-11-20 17:11:28,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:11:28,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:11:29,823 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_13c1a4e3-3e0e-4020-8514-309b297f0df3/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-20 17:11:29,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:29,868 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:11:29,934 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_13c1a4e3-3e0e-4020-8514-309b297f0df3/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-20 17:11:29,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:30,069 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:11:30,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30 WrapperNode [2022-11-20 17:11:30,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:30,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:30,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:11:30,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:11:30,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,131 INFO L138 Inliner]: procedures = 486, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-11-20 17:11:30,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:30,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:11:30,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:11:30,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:11:30,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:11:30,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:11:30,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:11:30,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:11:30,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:30" (1/1) ... [2022-11-20 17:11:30,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:30,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:11:30,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:11:30,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:11:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:11:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:11:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:11:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:11:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:11:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:11:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:11:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:11:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 17:11:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 17:11:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:11:30,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:11:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:11:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:11:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:11:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:11:30,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:11:30,273 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 17:11:30,668 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:11:30,670 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:11:30,897 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:11:31,041 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:11:31,049 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:11:31,050 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: ldv_assertENTRY is neither atomic block end nor a sink node. [2022-11-20 17:11:31,051 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:11:31,063 INFO L158 Benchmark]: Toolchain (without parser) took 2439.74ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 32.8MB in the end (delta: 23.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-20 17:11:31,064 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:11:31,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1443.95ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 47.1MB in the end (delta: 9.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-11-20 17:11:31,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.30ms. Allocated memory is still 81.8MB. Free memory was 47.1MB in the beginning and 44.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:11:31,066 INFO L158 Benchmark]: Boogie Preprocessor took 53.69ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 40.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:11:31,068 INFO L158 Benchmark]: RCFGBuilder took 867.53ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 32.8MB in the end (delta: 7.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-20 17:11:31,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1443.95ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 47.1MB in the end (delta: 9.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.30ms. Allocated memory is still 81.8MB. Free memory was 47.1MB in the beginning and 44.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.69ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 40.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 867.53ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 32.8MB in the end (delta: 7.4MB). Peak memory consumption was 12.8MB. 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 17:11:31,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1a4e3-3e0e-4020-8514-309b297f0df3/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?