./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3b-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3b-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba --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 c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b --- 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-b5237d8 [2022-11-22 01:59:03,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:59:03,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:59:04,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:59:04,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:59:04,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:59:04,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:59:04,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:59:04,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:59:04,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:59:04,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:59:04,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:59:04,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:59:04,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:59:04,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:59:04,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:59:04,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:59:04,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:59:04,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:59:04,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:59:04,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:59:04,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:59:04,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:59:04,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:59:04,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:59:04,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:59:04,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:59:04,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:59:04,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:59:04,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:59:04,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:59:04,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:59:04,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:59:04,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:59:04,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:59:04,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:59:04,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:59:04,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:59:04,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:59:04,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:59:04,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:59:04,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:59:04,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:59:04,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:59:04,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:59:04,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:59:04,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:59:04,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:59:04,128 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:59:04,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:59:04,129 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:59:04,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:59:04,130 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:59:04,130 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:59:04,130 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:59:04,131 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:59:04,131 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:59:04,131 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:59:04,131 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:59:04,132 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:59:04,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:59:04,133 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:59:04,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:59:04,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:59:04,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:59:04,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:59:04,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:59:04,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:59:04,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:59:04,135 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:59:04,135 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:59:04,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:59:04,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:59:04,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:59:04,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:59:04,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:59:04,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:59:04,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:59:04,137 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:59:04,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:59:04,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:59:04,138 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:59:04,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:59:04,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:59:04,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:59:04,139 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_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b [2022-11-22 01:59:04,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:59:04,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:59:04,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:59:04,482 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:59:04,483 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:59:04,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-1_3b-join.i [2022-11-22 01:59:07,557 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:59:07,985 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:59:07,986 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/sv-benchmarks/c/ldv-races/race-1_3b-join.i [2022-11-22 01:59:08,014 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/data/ccbd04530/ad2fc5a7dec64df3b718c18daf4c0182/FLAG35e159ef7 [2022-11-22 01:59:08,037 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/data/ccbd04530/ad2fc5a7dec64df3b718c18daf4c0182 [2022-11-22 01:59:08,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:59:08,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:59:08,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:59:08,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:59:08,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:59:08,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:08,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737c39ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08, skipping insertion in model container [2022-11-22 01:59:08,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:08,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:59:08,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:59:09,020 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/sv-benchmarks/c/ldv-races/race-1_3b-join.i[76069,76082] [2022-11-22 01:59:09,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:59:09,091 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:59:09,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/sv-benchmarks/c/ldv-races/race-1_3b-join.i[76069,76082] [2022-11-22 01:59:09,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:59:09,340 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:59:09,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09 WrapperNode [2022-11-22 01:59:09,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:59:09,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:59:09,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:59:09,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:59:09,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,443 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2022-11-22 01:59:09,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:59:09,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:59:09,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:59:09,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:59:09,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:59:09,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:59:09,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:59:09,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:59:09,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (1/1) ... [2022-11-22 01:59:09,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:59:09,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:09,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:59:09,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:59:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:59:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:59:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:59:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:59:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:59:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:59:09,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:59:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:59:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-22 01:59:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-22 01:59:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:59:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:59:09,662 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:59:10,067 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:59:10,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:59:10,296 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:59:10,305 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:59:10,305 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:59:10,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:59:10 BoogieIcfgContainer [2022-11-22 01:59:10,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:59:10,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:59:10,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:59:10,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:59:10,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:59:08" (1/3) ... [2022-11-22 01:59:10,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3a6c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:59:10, skipping insertion in model container [2022-11-22 01:59:10,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:09" (2/3) ... [2022-11-22 01:59:10,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3a6c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:59:10, skipping insertion in model container [2022-11-22 01:59:10,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:59:10" (3/3) ... [2022-11-22 01:59:10,318 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2022-11-22 01:59:10,328 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:59:10,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:59:10,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-22 01:59:10,341 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:59:10,399 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-22 01:59:10,434 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:59:10,450 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 153 transitions, 314 flow [2022-11-22 01:59:10,453 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 153 transitions, 314 flow [2022-11-22 01:59:10,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 314 flow [2022-11-22 01:59:10,524 INFO L130 PetriNetUnfolder]: 6/191 cut-off events. [2022-11-22 01:59:10,529 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-22 01:59:10,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 191 events. 6/191 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 257 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 111. Up to 4 conditions per place. [2022-11-22 01:59:10,536 INFO L119 LiptonReduction]: Number of co-enabled transitions 1008 [2022-11-22 01:59:16,910 INFO L134 LiptonReduction]: Checked pairs total: 2361 [2022-11-22 01:59:16,910 INFO L136 LiptonReduction]: Total number of compositions: 176 [2022-11-22 01:59:16,919 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 26 transitions, 60 flow [2022-11-22 01:59:16,935 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73 states, 54 states have (on average 2.074074074074074) internal successors, (112), 72 states have internal predecessors, (112), 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) [2022-11-22 01:59:16,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:59:16,961 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;@3fe39232, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:59:16,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-22 01:59:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 54 states have (on average 2.074074074074074) internal successors, (112), 72 states have internal predecessors, (112), 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) [2022-11-22 01:59:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:59:16,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:16,969 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:59:16,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 01:59:16,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash 551, now seen corresponding path program 1 times [2022-11-22 01:59:16,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:16,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197010163] [2022-11-22 01:59:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:16,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:59:17,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:17,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197010163] [2022-11-22 01:59:17,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197010163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:59:17,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:59:17,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:59:17,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681441395] [2022-11-22 01:59:17,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:17,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:59:17,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:17,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:59:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:59:17,216 INFO L87 Difference]: Start difference. First operand has 73 states, 54 states have (on average 2.074074074074074) internal successors, (112), 72 states have internal predecessors, (112), 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) [2022-11-22 01:59:17,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:17,273 INFO L93 Difference]: Finished difference Result 61 states and 96 transitions. [2022-11-22 01:59:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:59:17,275 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 [2022-11-22 01:59:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:17,283 INFO L225 Difference]: With dead ends: 61 [2022-11-22 01:59:17,284 INFO L226 Difference]: Without dead ends: 57 [2022-11-22 01:59:17,284 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 [2022-11-22 01:59:17,288 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:17,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:59:17,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-22 01:59:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-22 01:59:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 49 states have (on average 1.836734693877551) internal successors, (90), 56 states have internal predecessors, (90), 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) [2022-11-22 01:59:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 90 transitions. [2022-11-22 01:59:17,330 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 90 transitions. Word has length 1 [2022-11-22 01:59:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:17,330 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 90 transitions. [2022-11-22 01:59:17,330 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) [2022-11-22 01:59:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2022-11-22 01:59:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:59:17,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:17,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:59:17,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:59:17,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 01:59:17,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash 17091785, now seen corresponding path program 1 times [2022-11-22 01:59:17,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:17,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331901991] [2022-11-22 01:59:17,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:17,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:59:17,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:17,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331901991] [2022-11-22 01:59:17,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331901991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:59:17,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:59:17,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:59:17,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672964204] [2022-11-22 01:59:17,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:17,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:17,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:17,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:17,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:17,587 INFO L87 Difference]: Start difference. First operand 57 states and 90 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 01:59:17,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:17,622 INFO L93 Difference]: Finished difference Result 51 states and 84 transitions. [2022-11-22 01:59:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:17,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-22 01:59:17,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:17,624 INFO L225 Difference]: With dead ends: 51 [2022-11-22 01:59:17,625 INFO L226 Difference]: Without dead ends: 50 [2022-11-22 01:59:17,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:17,627 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:17,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:59:17,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-22 01:59:17,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-22 01:59:17,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 44 states have (on average 1.8863636363636365) internal successors, (83), 49 states have internal predecessors, (83), 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) [2022-11-22 01:59:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 83 transitions. [2022-11-22 01:59:17,636 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 83 transitions. Word has length 4 [2022-11-22 01:59:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:17,636 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 83 transitions. [2022-11-22 01:59:17,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 01:59:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2022-11-22 01:59:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:59:17,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:17,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:59:17,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:59:17,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 01:59:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash 520743646, now seen corresponding path program 1 times [2022-11-22 01:59:17,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:17,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887248209] [2022-11-22 01:59:17,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:17,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:59:17,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:17,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887248209] [2022-11-22 01:59:17,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887248209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:59:17,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:59:17,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:59:17,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020173111] [2022-11-22 01:59:17,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:17,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:17,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:17,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:17,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:17,723 INFO L87 Difference]: Start difference. First operand 50 states and 83 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-22 01:59:17,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:17,770 INFO L93 Difference]: Finished difference Result 52 states and 85 transitions. [2022-11-22 01:59:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:17,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-22 01:59:17,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:17,772 INFO L225 Difference]: With dead ends: 52 [2022-11-22 01:59:17,772 INFO L226 Difference]: Without dead ends: 46 [2022-11-22 01:59:17,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:17,773 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:17,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:59:17,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-22 01:59:17,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-22 01:59:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.829268292682927) internal successors, (75), 45 states have internal predecessors, (75), 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) [2022-11-22 01:59:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 75 transitions. [2022-11-22 01:59:17,781 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 75 transitions. Word has length 5 [2022-11-22 01:59:17,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:17,781 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 75 transitions. [2022-11-22 01:59:17,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-22 01:59:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2022-11-22 01:59:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:59:17,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:17,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:59:17,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:59:17,783 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 01:59:17,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:17,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1037058054, now seen corresponding path program 1 times [2022-11-22 01:59:17,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:17,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869455873] [2022-11-22 01:59:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:17,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:59:17,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:17,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869455873] [2022-11-22 01:59:17,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869455873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:59:17,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:59:17,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:59:17,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201718305] [2022-11-22 01:59:17,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:17,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:17,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:17,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:17,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:17,891 INFO L87 Difference]: Start difference. First operand 46 states and 75 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-22 01:59:17,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:17,941 INFO L93 Difference]: Finished difference Result 45 states and 71 transitions. [2022-11-22 01:59:17,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:17,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-22 01:59:17,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:17,946 INFO L225 Difference]: With dead ends: 45 [2022-11-22 01:59:17,947 INFO L226 Difference]: Without dead ends: 45 [2022-11-22 01:59:17,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:17,953 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:17,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:59:17,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-22 01:59:17,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2022-11-22 01:59:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 39 states have (on average 1.7435897435897436) internal successors, (68), 42 states have internal predecessors, (68), 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) [2022-11-22 01:59:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 68 transitions. [2022-11-22 01:59:17,970 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 68 transitions. Word has length 6 [2022-11-22 01:59:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:17,970 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 68 transitions. [2022-11-22 01:59:17,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-22 01:59:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2022-11-22 01:59:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:59:17,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:17,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:17,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:59:17,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-22 01:59:17,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:17,974 INFO L85 PathProgramCache]: Analyzing trace with hash 56247425, now seen corresponding path program 1 times [2022-11-22 01:59:17,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:17,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458150412] [2022-11-22 01:59:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:59:18,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:59:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:59:18,096 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:59:18,097 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:59:18,099 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-11-22 01:59:18,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-22 01:59:18,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-11-22 01:59:18,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-11-22 01:59:18,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-22 01:59:18,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-22 01:59:18,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-22 01:59:18,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-11-22 01:59:18,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-11-22 01:59:18,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-11-22 01:59:18,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-11-22 01:59:18,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2022-11-22 01:59:18,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:59:18,114 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-22 01:59:18,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:59:18,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:59:18,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:59:18 BasicIcfg [2022-11-22 01:59:18,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:59:18,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:59:18,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:59:18,168 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:59:18,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:59:10" (3/4) ... [2022-11-22 01:59:18,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:59:18,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:59:18,173 INFO L158 Benchmark]: Toolchain (without parser) took 10131.49ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 139.9MB in the beginning and 130.0MB in the end (delta: 9.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-11-22 01:59:18,173 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 88.2MB in the end (delta: 179.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:59:18,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.37ms. Allocated memory is still 188.7MB. Free memory was 139.9MB in the beginning and 84.3MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-22 01:59:18,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.42ms. Allocated memory is still 188.7MB. Free memory was 84.3MB in the beginning and 81.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:59:18,174 INFO L158 Benchmark]: Boogie Preprocessor took 91.03ms. Allocated memory is still 188.7MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:59:18,175 INFO L158 Benchmark]: RCFGBuilder took 771.43ms. Allocated memory is still 188.7MB. Free memory was 78.5MB in the beginning and 135.4MB in the end (delta: -56.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-11-22 01:59:18,175 INFO L158 Benchmark]: TraceAbstraction took 7857.03ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 134.5MB in the beginning and 130.0MB in the end (delta: 4.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-11-22 01:59:18,176 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 226.5MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:59:18,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 88.2MB in the end (delta: 179.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.37ms. Allocated memory is still 188.7MB. Free memory was 139.9MB in the beginning and 84.3MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.42ms. Allocated memory is still 188.7MB. Free memory was 84.3MB in the beginning and 81.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.03ms. Allocated memory is still 188.7MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 771.43ms. Allocated memory is still 188.7MB. Free memory was 78.5MB in the beginning and 135.4MB in the end (delta: -56.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7857.03ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 134.5MB in the beginning and 130.0MB in the end (delta: 4.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 226.5MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5s, 151 PlacesBefore, 28 PlacesAfterwards, 153 TransitionsBefore, 26 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 10 FixpointIterations, 106 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 13 ConcurrentYvCompositions, 4 ChoiceCompositions, 176 TotalNumberOfCompositions, 2361 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1478, independent: 1267, independent conditional: 0, independent unconditional: 1267, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 748, independent: 711, independent conditional: 0, independent unconditional: 711, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 748, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1478, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 748, unknown conditional: 0, unknown unconditional: 748] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, 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 - DataRaceFoundResult [Line: 1699]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1; [L1695] 0 pthread_mutex_t mutex; [L1696] 0 int pdev; [L1726] CALL, EXPR 0 module_init() [L1705] 0 pdev = 1 [L1706] EXPR 0 pdev==1 [L1706] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) [L1706] RET 0 ldv_assert(pdev==1) [L1707] COND TRUE 0 __VERIFIER_nondet_int() [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1151, t1={3:0}] [L1709] 0 return 0; [L1726] RET, EXPR 0 module_init() [L1726] COND FALSE 0 !(module_init()!=0) [L1727] CALL 0 module_exit() [L1717] 0 void *status; [L1718] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 4=1152, pdev = 6=1151, status={5:0}, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 6=1151, t1={3:0}] Now there is a data race on ~pdev~0 between C: pdev = 4 [1718] and C: pdev = 6 [1699] - UnprovableResult [Line: 1705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 162 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 19 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-22 01:59:18,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736663ca-75a3-4f92-91af-ba575344f05c/bin/utaipan-g80aRyZoba/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE