./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d40f5324e9f741708351e6e516a0eeed6b2146f21cbab903e28bb6f6f31acc5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:11:07,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:11:07,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:11:07,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:11:07,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:11:07,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:11:07,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:11:07,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:11:08,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:11:08,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:11:08,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:11:08,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:11:08,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:11:08,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:11:08,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:11:08,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:11:08,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:11:08,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:11:08,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:11:08,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:11:08,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:11:08,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:11:08,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:11:08,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:11:08,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:11:08,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:11:08,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:11:08,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:11:08,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:11:08,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:11:08,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:11:08,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:11:08,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:11:08,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:11:08,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:11:08,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:11:08,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:11:08,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:11:08,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:11:08,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:11:08,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:11:08,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:11:08,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:11:08,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:11:08,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:11:08,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:11:08,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:11:08,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:11:08,115 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:11:08,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:11:08,115 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:11:08,116 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:11:08,117 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:11:08,117 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:11:08,117 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:11:08,117 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:11:08,118 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:11:08,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:11:08,118 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:11:08,118 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:11:08,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:11:08,119 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:11:08,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:11:08,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:11:08,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:11:08,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:11:08,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:11:08,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:11:08,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:11:08,121 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:11:08,121 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:11:08,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:11:08,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:11:08,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:11:08,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:11:08,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:11:08,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:11:08,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:11:08,123 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:11:08,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:11:08,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:11:08,124 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:11:08,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:11:08,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:11:08,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:11:08,125 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_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d40f5324e9f741708351e6e516a0eeed6b2146f21cbab903e28bb6f6f31acc5 [2022-11-03 02:11:08,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:11:08,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:11:08,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:11:08,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:11:08,496 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:11:08,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i [2022-11-03 02:11:08,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/data/40ee8a7f4/9facbb8d48c245feb1a75edaf5bf9067/FLAG3d65a3e44 [2022-11-03 02:11:09,239 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:11:09,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i [2022-11-03 02:11:09,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/data/40ee8a7f4/9facbb8d48c245feb1a75edaf5bf9067/FLAG3d65a3e44 [2022-11-03 02:11:09,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/data/40ee8a7f4/9facbb8d48c245feb1a75edaf5bf9067 [2022-11-03 02:11:09,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:11:09,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:11:09,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:11:09,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:11:09,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:11:09,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:09" (1/1) ... [2022-11-03 02:11:09,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241721db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:09, skipping insertion in model container [2022-11-03 02:11:09,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:09" (1/1) ... [2022-11-03 02:11:09,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:11:09,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:11:10,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:11:10,072 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:11:10,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:11:10,159 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:11:10,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10 WrapperNode [2022-11-03 02:11:10,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:11:10,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:11:10,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:11:10,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:11:10,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,221 INFO L138 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-11-03 02:11:10,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:11:10,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:11:10,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:11:10,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:11:10,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:11:10,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:11:10,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:11:10,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:11:10,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (1/1) ... [2022-11-03 02:11:10,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:11:10,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:11:10,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:11:10,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:11:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:11:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:11:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:11:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:11:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:11:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 02:11:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 02:11:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:11:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:11:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:11:10,333 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:11:10,574 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:11:10,576 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:11:10,805 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:11:10,812 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:11:10,812 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:11:10,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:11:10 BoogieIcfgContainer [2022-11-03 02:11:10,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:11:10,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:11:10,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:11:10,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:11:10,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:11:09" (1/3) ... [2022-11-03 02:11:10,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e340c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:11:10, skipping insertion in model container [2022-11-03 02:11:10,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:10" (2/3) ... [2022-11-03 02:11:10,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e340c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:11:10, skipping insertion in model container [2022-11-03 02:11:10,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:11:10" (3/3) ... [2022-11-03 02:11:10,824 INFO L112 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2022-11-03 02:11:10,833 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:11:10,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:11:10,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-03 02:11:10,843 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:11:10,929 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:11:10,980 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:11:11,001 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 83 transitions, 171 flow [2022-11-03 02:11:11,010 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 83 transitions, 171 flow [2022-11-03 02:11:11,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 171 flow [2022-11-03 02:11:11,089 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-11-03 02:11:11,089 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:11:11,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 102 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-11-03 02:11:11,094 INFO L118 LiptonReduction]: Number of co-enabled transitions 1258 [2022-11-03 02:11:13,916 INFO L133 LiptonReduction]: Checked pairs total: 4883 [2022-11-03 02:11:13,917 INFO L135 LiptonReduction]: Total number of compositions: 67 [2022-11-03 02:11:13,933 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 24 transitions, 53 flow [2022-11-03 02:11:13,971 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 120 states, 109 states have (on average 2.073394495412844) internal successors, (226), 119 states have internal predecessors, (226), 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) [2022-11-03 02:11:13,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:11:14,002 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;@7abc10e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:11:14,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-03 02:11:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 109 states have (on average 2.073394495412844) internal successors, (226), 119 states have internal predecessors, (226), 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) [2022-11-03 02:11:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 02:11:14,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:14,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 02:11:14,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 02:11:14,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash 8774017, now seen corresponding path program 1 times [2022-11-03 02:11:14,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:14,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171671307] [2022-11-03 02:11:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:11:14,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:14,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171671307] [2022-11-03 02:11:14,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171671307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:14,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:11:14,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:11:14,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824430830] [2022-11-03 02:11:14,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:14,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:11:14,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:14,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:11:14,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:11:14,351 INFO L87 Difference]: Start difference. First operand has 120 states, 109 states have (on average 2.073394495412844) internal successors, (226), 119 states have internal predecessors, (226), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-11-03 02:11:14,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:14,432 INFO L93 Difference]: Finished difference Result 113 states and 196 transitions. [2022-11-03 02:11:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:11:14,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2022-11-03 02:11:14,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:14,449 INFO L225 Difference]: With dead ends: 113 [2022-11-03 02:11:14,449 INFO L226 Difference]: Without dead ends: 113 [2022-11-03 02:11:14,455 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 [2022-11-03 02:11:14,459 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:14,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 11 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:11:14,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-03 02:11:14,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2022-11-03 02:11:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 90 states have (on average 1.8444444444444446) internal successors, (166), 94 states have internal predecessors, (166), 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) [2022-11-03 02:11:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 166 transitions. [2022-11-03 02:11:14,517 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 166 transitions. Word has length 4 [2022-11-03 02:11:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:14,517 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 166 transitions. [2022-11-03 02:11:14,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-11-03 02:11:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2022-11-03 02:11:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:11:14,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:14,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:11:14,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:11:14,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 02:11:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:14,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1607806056, now seen corresponding path program 1 times [2022-11-03 02:11:14,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:14,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275682933] [2022-11-03 02:11:14,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:14,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:11:14,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:14,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275682933] [2022-11-03 02:11:14,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275682933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:14,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:11:14,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:11:14,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712957667] [2022-11-03 02:11:14,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:14,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:11:14,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:14,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:11:14,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:11:14,633 INFO L87 Difference]: Start difference. First operand 95 states and 166 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 02:11:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:14,679 INFO L93 Difference]: Finished difference Result 101 states and 176 transitions. [2022-11-03 02:11:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:11:14,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-03 02:11:14,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:14,681 INFO L225 Difference]: With dead ends: 101 [2022-11-03 02:11:14,681 INFO L226 Difference]: Without dead ends: 101 [2022-11-03 02:11:14,682 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 [2022-11-03 02:11:14,683 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:14,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:11:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-03 02:11:14,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2022-11-03 02:11:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.8131868131868132) internal successors, (165), 94 states have internal predecessors, (165), 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) [2022-11-03 02:11:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 165 transitions. [2022-11-03 02:11:14,695 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 165 transitions. Word has length 8 [2022-11-03 02:11:14,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:14,695 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 165 transitions. [2022-11-03 02:11:14,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 02:11:14,695 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2022-11-03 02:11:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:11:14,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:14,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:11:14,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:11:14,700 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 02:11:14,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:14,700 INFO L85 PathProgramCache]: Analyzing trace with hash -955963550, now seen corresponding path program 1 times [2022-11-03 02:11:14,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:14,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151353421] [2022-11-03 02:11:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:11:14,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:14,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151353421] [2022-11-03 02:11:14,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151353421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:14,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:11:14,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:11:14,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339103070] [2022-11-03 02:11:14,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:14,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:11:14,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:14,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:11:14,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:11:14,764 INFO L87 Difference]: Start difference. First operand 95 states and 165 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-03 02:11:14,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:14,796 INFO L93 Difference]: Finished difference Result 95 states and 159 transitions. [2022-11-03 02:11:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:11:14,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-03 02:11:14,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:14,798 INFO L225 Difference]: With dead ends: 95 [2022-11-03 02:11:14,798 INFO L226 Difference]: Without dead ends: 79 [2022-11-03 02:11:14,799 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 [2022-11-03 02:11:14,800 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14 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 [2022-11-03 02:11:14,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 14 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:11:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-03 02:11:14,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-03 02:11:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.6533333333333333) internal successors, (124), 78 states have internal predecessors, (124), 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) [2022-11-03 02:11:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2022-11-03 02:11:14,807 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 10 [2022-11-03 02:11:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:14,808 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2022-11-03 02:11:14,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-03 02:11:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2022-11-03 02:11:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:11:14,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:14,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:11:14,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:11:14,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-03 02:11:14,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:14,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1609973744, now seen corresponding path program 1 times [2022-11-03 02:11:14,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:14,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936880436] [2022-11-03 02:11:14,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:14,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:11:14,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:11:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:11:14,867 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:11:14,867 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:11:14,868 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-03 02:11:14,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-03 02:11:14,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-03 02:11:14,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-03 02:11:14,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-03 02:11:14,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-03 02:11:14,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-03 02:11:14,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-03 02:11:14,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:11:14,875 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 02:11:14,882 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:11:14,882 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:11:14,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:11:14 BasicIcfg [2022-11-03 02:11:14,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:11:14,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:11:14,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:11:14,908 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:11:14,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:11:10" (3/4) ... [2022-11-03 02:11:14,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:11:14,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:11:14,912 INFO L158 Benchmark]: Toolchain (without parser) took 5416.40ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 72.7MB in the beginning and 91.0MB in the end (delta: -18.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-11-03 02:11:14,913 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:11:14,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.37ms. Allocated memory is still 113.2MB. Free memory was 72.5MB in the beginning and 71.7MB in the end (delta: 854.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:11:14,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.81ms. Allocated memory is still 113.2MB. Free memory was 71.7MB in the beginning and 69.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:11:14,914 INFO L158 Benchmark]: Boogie Preprocessor took 25.59ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:11:14,914 INFO L158 Benchmark]: RCFGBuilder took 563.76ms. Allocated memory is still 113.2MB. Free memory was 67.8MB in the beginning and 54.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:11:14,915 INFO L158 Benchmark]: TraceAbstraction took 4091.05ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 54.5MB in the beginning and 92.0MB in the end (delta: -37.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-03 02:11:14,915 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 91.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:11:14,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.37ms. Allocated memory is still 113.2MB. Free memory was 72.5MB in the beginning and 71.7MB in the end (delta: 854.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.81ms. Allocated memory is still 113.2MB. Free memory was 71.7MB in the beginning and 69.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.59ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.76ms. Allocated memory is still 113.2MB. Free memory was 67.8MB in the beginning and 54.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4091.05ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 54.5MB in the beginning and 92.0MB in the end (delta: -37.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 91.0MB in the end (delta: 1.1MB). 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: 2.9s, 85 PlacesBefore, 27 PlacesAfterwards, 83 TransitionsBefore, 24 TransitionsAfterwards, 1258 CoEnabledTransitionPairs, 10 FixpointIterations, 26 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 4883 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2136, positive: 1808, positive conditional: 0, positive unconditional: 1808, negative: 328, negative conditional: 0, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 882, positive: 838, positive conditional: 0, positive unconditional: 838, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 882, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 188, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2136, positive: 970, positive conditional: 0, positive unconditional: 970, negative: 284, negative conditional: 0, negative unconditional: 284, unknown: 882, unknown conditional: 0, unknown unconditional: 882] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - 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: 923]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L934] 0 pthread_t id; [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=0, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=0, glob++=0, mutex={1:0}] [L936] COND TRUE 0 1 [L937] CALL 0 f(&bad) [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=0, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, mutex={1:0}] [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, m={2:0}, m={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [929] and C: glob++ [923] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: 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. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 30 mSDtfsCounter, 101 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=120occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: unable to determine feasibility of some traces [2022-11-03 02:11:14,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aa5e6e-4a37-4802-a059-3590827506ec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE