./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4 --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 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --- 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-2329fc7 [2022-12-15 03:45:00,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:45:00,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:45:00,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:45:00,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:45:00,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:45:00,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:45:00,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:45:00,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:45:00,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:45:00,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:45:00,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:45:00,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:45:00,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:45:00,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:45:00,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:45:00,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:45:00,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:45:00,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:45:00,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:45:00,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:45:00,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:45:00,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:45:00,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:45:00,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:45:00,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:45:00,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:45:00,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:45:00,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:45:00,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:45:00,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:45:00,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:45:00,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:45:00,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:45:00,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:45:00,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:45:00,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:45:00,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:45:00,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:45:00,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:45:00,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:45:00,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 03:45:00,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:45:00,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:45:00,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:45:00,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:45:00,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:45:00,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:45:00,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:45:00,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:45:00,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:45:00,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:45:00,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:45:00,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:45:00,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:45:00,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:45:00,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:45:00,130 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:45:00,130 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:45:00,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:45:00,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:45:00,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:45:00,131 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:45:00,131 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:45:00,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:45:00,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:00,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:45:00,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:45:00,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:45:00,132 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:45:00,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:45:00,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:45:00,133 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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 [2022-12-15 03:45:00,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:45:00,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:45:00,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:45:00,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:45:00,360 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:45:00,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-races/race-1_3-join.i [2022-12-15 03:45:03,039 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:45:03,290 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:45:03,290 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/sv-benchmarks/c/ldv-races/race-1_3-join.i [2022-12-15 03:45:03,309 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data/f7610fb14/77ed81af0b2a43c4b9ebf435706b8f7e/FLAG309a37328 [2022-12-15 03:45:03,320 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data/f7610fb14/77ed81af0b2a43c4b9ebf435706b8f7e [2022-12-15 03:45:03,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:45:03,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:45:03,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:03,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:45:03,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:45:03,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:03,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696b091d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03, skipping insertion in model container [2022-12-15 03:45:03,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:03,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:45:03,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:45:03,838 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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2022-12-15 03:45:03,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:03,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:03,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:03,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:03,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:03,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:03,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:03,864 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:45:03,894 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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2022-12-15 03:45:03,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:03,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:03,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:03,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:03,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:03,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:03,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:03,999 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:45:03,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03 WrapperNode [2022-12-15 03:45:03,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:04,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:04,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:45:04,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:45:04,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,063 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-15 03:45:04,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:04,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:45:04,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:45:04,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:45:04,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,101 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:45:04,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:45:04,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:45:04,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:45:04,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:03" (1/1) ... [2022-12-15 03:45:04,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:04,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:45:04,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:45:04,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:45:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-15 03:45:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:45:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 03:45:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 03:45:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:45:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:45:04,172 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 03:45:04,396 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:45:04,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:45:04,506 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:45:04,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:45:04,545 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:45:04,546 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 03:45:04,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-15 03:45:04,550 INFO L158 Benchmark]: Toolchain (without parser) took 1227.08ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 85.2MB in the beginning and 70.6MB in the end (delta: 14.6MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-12-15 03:45:04,551 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:45:04,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.43ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 84.9MB in the beginning and 100.0MB in the end (delta: -15.0MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-12-15 03:45:04,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.01ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 96.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:45:04,552 INFO L158 Benchmark]: Boogie Preprocessor took 46.01ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:45:04,552 INFO L158 Benchmark]: RCFGBuilder took 438.10ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 70.6MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-15 03:45:04,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.43ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 84.9MB in the beginning and 100.0MB in the end (delta: -15.0MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.01ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 96.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.01ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.10ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 70.6MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. 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. [2022-12-15 03:45:04,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4 --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 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --- 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-2329fc7 [2022-12-15 03:45:06,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:45:06,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:45:06,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:45:06,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:45:06,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:45:06,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:45:06,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:45:06,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:45:06,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:45:06,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:45:06,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:45:06,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:45:06,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:45:06,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:45:06,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:45:06,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:45:06,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:45:06,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:45:06,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:45:06,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:45:06,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:45:06,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:45:06,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:45:06,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:45:06,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:45:06,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:45:06,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:45:06,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:45:06,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:45:06,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:45:06,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:45:06,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:45:06,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:45:06,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:45:06,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:45:06,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:45:06,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:45:06,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:45:06,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:45:06,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:45:06,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 03:45:06,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:45:06,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:45:06,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:45:06,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:45:06,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:45:06,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:45:06,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:45:06,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 03:45:06,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 03:45:06,243 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:45:06,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 03:45:06,243 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:45:06,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:45:06,243 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:45:06,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:45:06,243 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:45:06,244 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:45:06,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:45:06,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:06,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:45:06,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:45:06,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:45:06,244 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 03:45:06,244 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 03:45:06,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:45:06,250 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 03:45:06,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 03:45:06,250 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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 [2022-12-15 03:45:06,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:45:06,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:45:06,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:45:06,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:45:06,498 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:45:06,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-races/race-1_3-join.i [2022-12-15 03:45:09,090 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:45:09,332 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:45:09,332 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/sv-benchmarks/c/ldv-races/race-1_3-join.i [2022-12-15 03:45:09,348 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data/db99fa33c/ba17399ef40b4ceaac2d7383c3db751c/FLAGb233415e8 [2022-12-15 03:45:09,359 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/data/db99fa33c/ba17399ef40b4ceaac2d7383c3db751c [2022-12-15 03:45:09,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:45:09,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:45:09,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:09,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:45:09,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:45:09,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:09" (1/1) ... [2022-12-15 03:45:09,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d64098d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:09, skipping insertion in model container [2022-12-15 03:45:09,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:09" (1/1) ... [2022-12-15 03:45:09,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:45:09,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:45:10,080 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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2022-12-15 03:45:10,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:10,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:10,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:10,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:10,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:10,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:10,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:10,116 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:45:10,144 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_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2022-12-15 03:45:10,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:10,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:10,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:45:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:45:10,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:10,234 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:45:10,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10 WrapperNode [2022-12-15 03:45:10,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:10,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:10,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:45:10,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:45:10,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,272 INFO L138 Inliner]: procedures = 486, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-12-15 03:45:10,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:10,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:45:10,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:45:10,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:45:10,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:45:10,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:45:10,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:45:10,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:45:10,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:10" (1/1) ... [2022-12-15 03:45:10,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:10,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:45:10,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:45:10,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:45:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 03:45:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:45:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-15 03:45:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:45:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 03:45:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 03:45:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 03:45:10,360 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 03:45:10,615 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:45:10,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:45:10,769 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:45:10,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:45:10,819 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:45:10,820 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 03:45:10,821 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-15 03:45:10,825 INFO L158 Benchmark]: Toolchain (without parser) took 1461.49ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 52.0MB in the beginning and 48.8MB in the end (delta: 3.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-12-15 03:45:10,825 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:45:10,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.89ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 48.2MB in the end (delta: 3.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-12-15 03:45:10,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.21ms. Allocated memory is still 75.5MB. Free memory was 48.2MB in the beginning and 44.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:45:10,827 INFO L158 Benchmark]: Boogie Preprocessor took 29.33ms. Allocated memory is still 75.5MB. Free memory was 44.7MB in the beginning and 41.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:45:10,827 INFO L158 Benchmark]: RCFGBuilder took 520.22ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.9MB in the beginning and 48.8MB in the end (delta: -7.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 03:45:10,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.89ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 48.2MB in the end (delta: 3.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.21ms. Allocated memory is still 75.5MB. Free memory was 48.2MB in the beginning and 44.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.33ms. Allocated memory is still 75.5MB. Free memory was 44.7MB in the beginning and 41.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.22ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.9MB in the beginning and 48.8MB in the end (delta: -7.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:45:10,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d6fe3c8-ab3c-4938-a7d6-5d0cdf7e80ff/bin/ukojak-rkRKPMF4O4/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?