./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS --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 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 --- 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-8393723 [2022-11-19 08:20:45,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:20:45,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:20:45,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:20:45,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:20:45,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:20:45,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:20:45,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:20:45,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:20:45,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:20:45,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:20:45,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:20:45,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:20:45,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:20:45,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:20:45,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:20:45,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:20:45,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:20:45,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:20:45,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:20:45,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:20:45,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:20:45,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:20:45,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:20:45,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:20:45,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:20:45,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:20:45,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:20:45,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:20:45,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:20:45,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:20:45,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:20:45,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:20:45,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:20:45,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:20:45,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:20:45,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:20:45,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:20:45,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:20:45,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:20:45,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:20:45,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:20:45,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:20:45,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:20:45,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:20:45,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:20:45,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:20:45,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:20:45,156 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:20:45,156 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:20:45,157 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:20:45,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:20:45,157 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:20:45,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:20:45,158 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:20:45,158 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:20:45,158 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:20:45,158 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:20:45,165 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:20:45,165 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:20:45,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:20:45,166 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:20:45,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:20:45,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:20:45,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:20:45,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:20:45,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:20:45,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:20:45,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:20:45,170 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:20:45,171 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:20:45,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:20:45,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:20:45,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:20:45,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:20:45,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:20:45,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:20:45,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:20:45,175 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:20:45,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:20:45,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:20:45,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:20:45,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:20:45,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:20:45,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:20:45,178 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_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2022-11-19 08:20:45,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:20:45,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:20:45,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:20:45,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:20:45,567 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:20:45,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread/fib_safe-5.i [2022-11-19 08:20:45,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/data/0b97d2c9c/021f1a089a5e4f56833ee8912228cab7/FLAGf8c92d7e6 [2022-11-19 08:20:46,354 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:20:46,355 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/sv-benchmarks/c/pthread/fib_safe-5.i [2022-11-19 08:20:46,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/data/0b97d2c9c/021f1a089a5e4f56833ee8912228cab7/FLAGf8c92d7e6 [2022-11-19 08:20:46,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/data/0b97d2c9c/021f1a089a5e4f56833ee8912228cab7 [2022-11-19 08:20:46,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:20:46,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:20:46,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:20:46,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:20:46,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:20:46,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:20:46" (1/1) ... [2022-11-19 08:20:46,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1cc52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:46, skipping insertion in model container [2022-11-19 08:20:46,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:20:46" (1/1) ... [2022-11-19 08:20:46,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:20:46,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:20:47,140 WARN L234 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_e27c605f-9f1e-4edf-a7e7-944624c4a47c/sv-benchmarks/c/pthread/fib_safe-5.i[30241,30254] [2022-11-19 08:20:47,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:20:47,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:20:47,271 WARN L234 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_e27c605f-9f1e-4edf-a7e7-944624c4a47c/sv-benchmarks/c/pthread/fib_safe-5.i[30241,30254] [2022-11-19 08:20:47,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:20:47,332 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:20:47,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47 WrapperNode [2022-11-19 08:20:47,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:20:47,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:20:47,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:20:47,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:20:47,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,436 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2022-11-19 08:20:47,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:20:47,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:20:47,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:20:47,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:20:47,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:20:47,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:20:47,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:20:47,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:20:47,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (1/1) ... [2022-11-19 08:20:47,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:20:47,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:20:47,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:20:47,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:20:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-19 08:20:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-19 08:20:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-19 08:20:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-19 08:20:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:20:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 08:20:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:20:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:20:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:20:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:20:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 08:20:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:20:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:20:47,620 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:20:47,783 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:20:47,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:20:48,177 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:20:48,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:20:48,362 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 08:20:48,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:20:48 BoogieIcfgContainer [2022-11-19 08:20:48,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:20:48,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:20:48,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:20:48,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:20:48,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:20:46" (1/3) ... [2022-11-19 08:20:48,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0e5848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:20:48, skipping insertion in model container [2022-11-19 08:20:48,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:20:47" (2/3) ... [2022-11-19 08:20:48,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0e5848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:20:48, skipping insertion in model container [2022-11-19 08:20:48,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:20:48" (3/3) ... [2022-11-19 08:20:48,381 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-5.i [2022-11-19 08:20:48,394 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:20:48,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:20:48,406 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-19 08:20:48,406 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:20:48,493 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 08:20:48,560 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:20:48,591 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 188 transitions, 386 flow [2022-11-19 08:20:48,603 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 188 transitions, 386 flow [2022-11-19 08:20:48,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 188 transitions, 386 flow [2022-11-19 08:20:48,712 INFO L130 PetriNetUnfolder]: 7/186 cut-off events. [2022-11-19 08:20:48,713 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 08:20:48,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 186 events. 7/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 339 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2022-11-19 08:20:48,729 INFO L119 LiptonReduction]: Number of co-enabled transitions 12600 [2022-11-19 08:20:55,990 INFO L134 LiptonReduction]: Checked pairs total: 12113 [2022-11-19 08:20:55,990 INFO L136 LiptonReduction]: Total number of compositions: 237 [2022-11-19 08:20:56,006 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 45 transitions, 100 flow [2022-11-19 08:20:56,153 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1723 states, 762 states have (on average 6.746719160104987) internal successors, (5141), 1722 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:20:56,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:20:56,199 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35410b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:20:56,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-11-19 08:20:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 1723 states, 762 states have (on average 6.746719160104987) internal successors, (5141), 1722 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:20:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 08:20:56,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:20:56,213 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 08:20:56,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-19 08:20:56,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:20:56,221 INFO L85 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2022-11-19 08:20:56,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:20:56,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706639363] [2022-11-19 08:20:56,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:20:56,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:20:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:20:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:20:56,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:20:56,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706639363] [2022-11-19 08:20:56,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706639363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:20:56,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:20:56,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 08:20:56,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727467374] [2022-11-19 08:20:56,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:20:56,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:20:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:20:56,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:20:56,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:20:56,392 INFO L87 Difference]: Start difference. First operand has 1723 states, 762 states have (on average 6.746719160104987) internal successors, (5141), 1722 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:20:56,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:20:56,460 INFO L93 Difference]: Finished difference Result 34 states and 92 transitions. [2022-11-19 08:20:56,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:20:56,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-19 08:20:56,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:20:56,471 INFO L225 Difference]: With dead ends: 34 [2022-11-19 08:20:56,471 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:20:56,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:20:56,480 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:20:56,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:20:56,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:20:56,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:20:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:20:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:20:56,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-11-19 08:20:56,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:20:56,515 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:20:56,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:20:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:20:56,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:20:56,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2022-11-19 08:20:56,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2022-11-19 08:20:56,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2022-11-19 08:20:56,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2022-11-19 08:20:56,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2022-11-19 08:20:56,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2022-11-19 08:20:56,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2022-11-19 08:20:56,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2022-11-19 08:20:56,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2022-11-19 08:20:56,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2022-11-19 08:20:56,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2022-11-19 08:20:56,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2022-11-19 08:20:56,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2022-11-19 08:20:56,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2022-11-19 08:20:56,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2022-11-19 08:20:56,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2022-11-19 08:20:56,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2022-11-19 08:20:56,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2022-11-19 08:20:56,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2022-11-19 08:20:56,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2022-11-19 08:20:56,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2022-11-19 08:20:56,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2022-11-19 08:20:56,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2022-11-19 08:20:56,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2022-11-19 08:20:56,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2022-11-19 08:20:56,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2022-11-19 08:20:56,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2022-11-19 08:20:56,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2022-11-19 08:20:56,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2022-11-19 08:20:56,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2022-11-19 08:20:56,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2022-11-19 08:20:56,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2022-11-19 08:20:56,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2022-11-19 08:20:56,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2022-11-19 08:20:56,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2022-11-19 08:20:56,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2022-11-19 08:20:56,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2022-11-19 08:20:56,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2022-11-19 08:20:56,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2022-11-19 08:20:56,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2022-11-19 08:20:56,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2022-11-19 08:20:56,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2022-11-19 08:20:56,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2022-11-19 08:20:56,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2022-11-19 08:20:56,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2022-11-19 08:20:56,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2022-11-19 08:20:56,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:20:56,590 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:20:56,598 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 08:20:56,598 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:20:56,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:20:56 BasicIcfg [2022-11-19 08:20:56,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:20:56,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:20:56,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:20:56,605 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:20:56,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:20:48" (3/4) ... [2022-11-19 08:20:56,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:20:56,616 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2022-11-19 08:20:56,616 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2022-11-19 08:20:56,626 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-11-19 08:20:56,626 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-19 08:20:56,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:20:56,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:20:56,691 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:20:56,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:20:56,692 INFO L158 Benchmark]: Toolchain (without parser) took 10085.83ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 100.0MB in the end (delta: -23.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-19 08:20:56,693 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 95.0MB in the end (delta: 121.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:20:56,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.43ms. Allocated memory is still 119.5MB. Free memory was 76.6MB in the beginning and 84.9MB in the end (delta: -8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:20:56,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.78ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:20:56,694 INFO L158 Benchmark]: Boogie Preprocessor took 67.90ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:20:56,695 INFO L158 Benchmark]: RCFGBuilder took 860.08ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 57.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 08:20:56,695 INFO L158 Benchmark]: TraceAbstraction took 8235.44ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 103.2MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:20:56,696 INFO L158 Benchmark]: Witness Printer took 87.54ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 100.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:20:56,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 95.0MB in the end (delta: 121.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.43ms. Allocated memory is still 119.5MB. Free memory was 76.6MB in the beginning and 84.9MB in the end (delta: -8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.78ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.90ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 860.08ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 57.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8235.44ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 103.2MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.54ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 100.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.4s, 188 PlacesBefore, 49 PlacesAfterwards, 188 TransitionsBefore, 45 TransitionsAfterwards, 12600 CoEnabledTransitionPairs, 9 FixpointIterations, 40 TrivialSequentialCompositions, 178 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 237 TotalNumberOfCompositions, 12113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11737, independent: 11724, independent conditional: 0, independent unconditional: 11724, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7881, independent: 7870, independent conditional: 0, independent unconditional: 7870, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7881, independent: 7837, independent conditional: 0, independent unconditional: 7837, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11737, independent: 3854, independent conditional: 0, independent unconditional: 3854, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 7881, unknown conditional: 0, unknown unconditional: 7881] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 242 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1723occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 08:20:56,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27c605f-9f1e-4edf-a7e7-944624c4a47c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE