./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 --- 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-5e519f3 [2022-11-03 01:36:24,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:36:24,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:36:24,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:36:24,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:36:24,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:36:24,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:36:24,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:36:24,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:36:24,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:36:24,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:36:24,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:36:24,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:36:24,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:36:24,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:36:24,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:36:24,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:36:24,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:36:24,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:36:24,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:36:24,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:36:24,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:36:24,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:36:24,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:36:24,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:36:24,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:36:24,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:36:24,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:36:24,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:36:24,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:36:24,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:36:24,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:36:24,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:36:24,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:36:24,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:36:24,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:36:24,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:36:24,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:36:24,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:36:24,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:36:24,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:36:24,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 01:36:24,904 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:36:24,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:36:24,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:36:24,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:36:24,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:36:24,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:36:24,907 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:36:24,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:36:24,908 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:36:24,908 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:36:24,909 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:36:24,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:36:24,910 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:36:24,910 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:36:24,910 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:36:24,911 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:36:24,911 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:36:24,912 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:36:24,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:36:24,913 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:36:24,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:36:24,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:36:24,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:36:24,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:36:24,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:36:24,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:36:24,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:36:24,915 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:36:24,916 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:36:24,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:36:24,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:36:24,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:36:24,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:36:24,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:36:24,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:24,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:36:24,919 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:36:24,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:36:24,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:36:24,920 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:36:24,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:36:24,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:36:24,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:36:24,921 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_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 [2022-11-03 01:36:25,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:36:25,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:36:25,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:36:25,355 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:36:25,356 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:36:25,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-11-03 01:36:25,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/data/e6d71daeb/61d00e2007c8408ea8d71867dcb8ac6d/FLAGb5c732d5e [2022-11-03 01:36:26,037 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:36:26,037 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-11-03 01:36:26,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/data/e6d71daeb/61d00e2007c8408ea8d71867dcb8ac6d/FLAGb5c732d5e [2022-11-03 01:36:26,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/data/e6d71daeb/61d00e2007c8408ea8d71867dcb8ac6d [2022-11-03 01:36:26,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:36:26,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:36:26,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:26,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:36:26,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:36:26,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:26" (1/1) ... [2022-11-03 01:36:26,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5583f363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:26, skipping insertion in model container [2022-11-03 01:36:26,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:26" (1/1) ... [2022-11-03 01:36:26,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:36:26,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:36:26,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-11-03 01:36:26,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:26,907 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:36:26,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-11-03 01:36:26,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:27,014 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:36:27,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27 WrapperNode [2022-11-03 01:36:27,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:27,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:27,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:36:27,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:36:27,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,062 INFO L138 Inliner]: procedures = 167, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-03 01:36:27,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:27,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:36:27,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:36:27,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:36:27,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,087 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:36:27,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:36:27,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:36:27,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:36:27,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (1/1) ... [2022-11-03 01:36:27,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:36:27,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:36:27,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:36:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-03 01:36:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-03 01:36:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:36:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:36:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:36:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:36:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:36:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:36:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:36:27,195 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:36:27,391 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:36:27,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:36:27,638 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:36:27,652 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:36:27,652 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 01:36:27,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:27 BoogieIcfgContainer [2022-11-03 01:36:27,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:36:27,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:36:27,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:36:27,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:36:27,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:36:26" (1/3) ... [2022-11-03 01:36:27,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526487f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:27, skipping insertion in model container [2022-11-03 01:36:27,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:27" (2/3) ... [2022-11-03 01:36:27,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526487f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:27, skipping insertion in model container [2022-11-03 01:36:27,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:27" (3/3) ... [2022-11-03 01:36:27,671 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2022-11-03 01:36:27,682 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:36:27,695 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:36:27,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-03 01:36:27,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526487f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:36:27, skipping insertion in model container [2022-11-03 01:36:27,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:36:27,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:36:27,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:36:27,702 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:36:27,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:27" (3/3) ... [2022-11-03 01:36:27,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:36:27,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-03 01:36:27,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-03 01:36:27,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 01:36:27,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 01:36:27,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:36:27,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:36:27,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:36:27,764 INFO L158 Benchmark]: Toolchain (without parser) took 1450.77ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 71.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-03 01:36:27,764 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:36:27,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.64ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 92.3MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:36:27,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.02ms. Allocated memory is still 127.9MB. Free memory was 92.3MB in the beginning and 90.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:36:27,769 INFO L158 Benchmark]: Boogie Preprocessor took 27.30ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:36:27,770 INFO L158 Benchmark]: RCFGBuilder took 566.99ms. Allocated memory is still 127.9MB. Free memory was 89.2MB in the beginning and 76.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:36:27,770 INFO L158 Benchmark]: TraceAbstraction took 36.63ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 74.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:36:27,771 INFO L158 Benchmark]: Witness Printer took 61.56ms. Allocated memory is still 127.9MB. Free memory was 74.0MB in the beginning and 71.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:36:27,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.64ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 92.3MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.02ms. Allocated memory is still 127.9MB. Free memory was 92.3MB in the beginning and 90.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.30ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.99ms. Allocated memory is still 127.9MB. Free memory was 89.2MB in the beginning and 76.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 36.63ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 74.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 61.56ms. Allocated memory is still 127.9MB. Free memory was 74.0MB in the beginning and 71.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-03 01:36:27,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55cb61d0-a8bc-4a7a-a64c-4ada7b4dc1e9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE