./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9 --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 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 --- 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-6b4ec56 [2022-11-20 21:22:34,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:22:34,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:22:34,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:22:34,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:22:34,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:22:34,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:22:34,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:22:34,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:22:34,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:22:34,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:22:34,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:22:34,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:22:34,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:22:34,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:22:34,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:22:34,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:22:34,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:22:34,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:22:34,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:22:34,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:22:34,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:22:34,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:22:34,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:22:34,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:22:34,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:22:34,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:22:34,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:22:34,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:22:34,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:22:34,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:22:34,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:22:34,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:22:34,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:22:34,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:22:34,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:22:34,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:22:34,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:22:34,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:22:34,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:22:34,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:22:34,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 21:22:34,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:22:34,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:22:34,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:22:34,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:22:34,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:22:34,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:22:34,272 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:22:34,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:22:34,272 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:22:34,272 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:22:34,272 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:22:34,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:22:34,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:22:34,273 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:22:34,273 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:22:34,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:22:34,274 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:22:34,274 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:22:34,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:22:34,274 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:22:34,275 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:22:34,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:22:34,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:22:34,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:22:34,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:22:34,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:22:34,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:22:34,276 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 21:22:34,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:22:34,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:22:34,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:22:34,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:22:34,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:22:34,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:22:34,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:34,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:22:34,277 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:22:34,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:22:34,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:22:34,278 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:22:34,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:22:34,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:22:34,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:22:34,279 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_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 [2022-11-20 21:22:34,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:22:34,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:22:34,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:22:34,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:22:34,625 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:22:34,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2022-11-20 21:22:37,617 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:22:37,942 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:22:37,944 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2022-11-20 21:22:37,961 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/data/89c5fc81e/cba19ab5a3ca48dba7171a6fd6400162/FLAG8eb96c869 [2022-11-20 21:22:37,976 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/data/89c5fc81e/cba19ab5a3ca48dba7171a6fd6400162 [2022-11-20 21:22:37,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:22:37,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:22:37,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:37,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:22:37,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:22:37,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:37" (1/1) ... [2022-11-20 21:22:37,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5576b613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:37, skipping insertion in model container [2022-11-20 21:22:37,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:37" (1/1) ... [2022-11-20 21:22:37,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:22:38,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:22:38,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:38,615 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:22:38,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:38,724 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:22:38,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38 WrapperNode [2022-11-20 21:22:38,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:38,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:38,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:22:38,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:22:38,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,797 INFO L138 Inliner]: procedures = 265, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-11-20 21:22:38,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:38,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:22:38,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:22:38,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:22:38,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:22:38,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:22:38,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:22:38,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:22:38,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (1/1) ... [2022-11-20 21:22:38,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:38,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:22:38,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:22:38,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:22:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:22:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:22:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:22:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:22:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 21:22:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:22:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 21:22:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 21:22:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:22:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:22:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:22:38,944 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 21:22:39,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:22:39,074 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:22:39,311 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:22:39,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:22:39,319 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:22:39,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:39 BoogieIcfgContainer [2022-11-20 21:22:39,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:22:39,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:22:39,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:22:39,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:22:39,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:22:37" (1/3) ... [2022-11-20 21:22:39,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f60e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:39, skipping insertion in model container [2022-11-20 21:22:39,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:38" (2/3) ... [2022-11-20 21:22:39,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f60e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:39, skipping insertion in model container [2022-11-20 21:22:39,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:39" (3/3) ... [2022-11-20 21:22:39,331 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2022-11-20 21:22:39,340 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 21:22:39,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:22:39,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 21:22:39,352 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:22:39,441 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-20 21:22:39,494 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:22:39,517 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 92 transitions, 192 flow [2022-11-20 21:22:39,522 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 92 transitions, 192 flow [2022-11-20 21:22:39,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 92 transitions, 192 flow [2022-11-20 21:22:39,578 INFO L130 PetriNetUnfolder]: 1/91 cut-off events. [2022-11-20 21:22:39,578 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 21:22:39,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 1/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2022-11-20 21:22:39,585 INFO L119 LiptonReduction]: Number of co-enabled transitions 1032 [2022-11-20 21:22:43,077 INFO L134 LiptonReduction]: Checked pairs total: 2386 [2022-11-20 21:22:43,079 INFO L136 LiptonReduction]: Total number of compositions: 80 [2022-11-20 21:22:43,093 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 20 transitions, 48 flow [2022-11-20 21:22:43,117 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 63 states, 58 states have (on average 1.9827586206896552) internal successors, (115), 62 states have internal predecessors, (115), 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) [2022-11-20 21:22:43,134 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:22:43,141 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;@510f5121, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:22:43,141 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-20 21:22:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 58 states have (on average 1.9827586206896552) internal successors, (115), 62 states have internal predecessors, (115), 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) [2022-11-20 21:22:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 21:22:43,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:43,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 21:22:43,149 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-20 21:22:43,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:43,155 INFO L85 PathProgramCache]: Analyzing trace with hash 298162677, now seen corresponding path program 1 times [2022-11-20 21:22:43,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:43,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769562498] [2022-11-20 21:22:43,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:43,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:43,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:43,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769562498] [2022-11-20 21:22:43,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769562498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:43,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:43,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:22:43,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753401550] [2022-11-20 21:22:43,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:43,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:22:43,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:43,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:22:43,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:22:43,403 INFO L87 Difference]: Start difference. First operand has 63 states, 58 states have (on average 1.9827586206896552) internal successors, (115), 62 states have internal predecessors, (115), 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 2.5) 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) [2022-11-20 21:22:43,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:43,488 INFO L93 Difference]: Finished difference Result 82 states and 147 transitions. [2022-11-20 21:22:43,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:22:43,491 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 [2022-11-20 21:22:43,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:43,502 INFO L225 Difference]: With dead ends: 82 [2022-11-20 21:22:43,502 INFO L226 Difference]: Without dead ends: 82 [2022-11-20 21:22:43,503 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 [2022-11-20 21:22:43,508 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:43,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:22:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-20 21:22:43,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 64. [2022-11-20 21:22:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 2.0338983050847457) internal successors, (120), 63 states have internal predecessors, (120), 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) [2022-11-20 21:22:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 120 transitions. [2022-11-20 21:22:43,561 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 120 transitions. Word has length 5 [2022-11-20 21:22:43,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:43,562 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 120 transitions. [2022-11-20 21:22:43,564 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) [2022-11-20 21:22:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-11-20 21:22:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 21:22:43,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:43,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 21:22:43,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:22:43,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-20 21:22:43,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:43,567 INFO L85 PathProgramCache]: Analyzing trace with hash 652916950, now seen corresponding path program 1 times [2022-11-20 21:22:43,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:43,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276554985] [2022-11-20 21:22:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:43,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:43,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:43,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276554985] [2022-11-20 21:22:43,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276554985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:43,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:43,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:22:43,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713960586] [2022-11-20 21:22:43,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:43,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:22:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:22:43,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:22:43,659 INFO L87 Difference]: Start difference. First operand 64 states and 120 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) [2022-11-20 21:22:43,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:43,703 INFO L93 Difference]: Finished difference Result 65 states and 119 transitions. [2022-11-20 21:22:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:22:43,704 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 [2022-11-20 21:22:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:43,706 INFO L225 Difference]: With dead ends: 65 [2022-11-20 21:22:43,706 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 21:22:43,707 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 [2022-11-20 21:22:43,708 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:43,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:22:43,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 21:22:43,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-20 21:22:43,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 57 states have (on average 1.9649122807017543) internal successors, (112), 60 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) [2022-11-20 21:22:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 112 transitions. [2022-11-20 21:22:43,715 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 112 transitions. Word has length 6 [2022-11-20 21:22:43,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:43,715 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 112 transitions. [2022-11-20 21:22:43,716 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) [2022-11-20 21:22:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2022-11-20 21:22:43,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:22:43,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:43,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:22:43,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:22:43,728 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-20 21:22:43,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:43,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1228409559, now seen corresponding path program 1 times [2022-11-20 21:22:43,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:43,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336180548] [2022-11-20 21:22:43,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:43,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:43,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336180548] [2022-11-20 21:22:43,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336180548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:43,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:43,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:22:43,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859579480] [2022-11-20 21:22:43,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:43,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:22:43,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:43,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:22:43,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:22:43,916 INFO L87 Difference]: Start difference. First operand 61 states and 112 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-20 21:22:43,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:43,958 INFO L93 Difference]: Finished difference Result 61 states and 110 transitions. [2022-11-20 21:22:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:22:43,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-20 21:22:43,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:43,959 INFO L225 Difference]: With dead ends: 61 [2022-11-20 21:22:43,959 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 21:22:43,960 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 [2022-11-20 21:22:43,961 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:43,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:22:43,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 21:22:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-20 21:22:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 57 states have (on average 1.9298245614035088) internal successors, (110), 60 states have internal predecessors, (110), 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) [2022-11-20 21:22:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 110 transitions. [2022-11-20 21:22:43,968 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 110 transitions. Word has length 7 [2022-11-20 21:22:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:43,969 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 110 transitions. [2022-11-20 21:22:43,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-20 21:22:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2022-11-20 21:22:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:22:43,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:43,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:22:43,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:22:43,970 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-20 21:22:43,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:43,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1228372266, now seen corresponding path program 1 times [2022-11-20 21:22:43,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:43,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641996852] [2022-11-20 21:22:43,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:43,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:44,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:44,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641996852] [2022-11-20 21:22:44,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641996852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:44,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:44,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:22:44,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81642800] [2022-11-20 21:22:44,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:44,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:22:44,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:44,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:22:44,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:22:44,143 INFO L87 Difference]: Start difference. First operand 61 states and 110 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-20 21:22:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:44,173 INFO L93 Difference]: Finished difference Result 53 states and 95 transitions. [2022-11-20 21:22:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:22:44,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-20 21:22:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:44,174 INFO L225 Difference]: With dead ends: 53 [2022-11-20 21:22:44,175 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 21:22:44,175 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 [2022-11-20 21:22:44,180 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:44,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 10 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:22:44,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 21:22:44,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-20 21:22:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 28 states have internal predecessors, (41), 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) [2022-11-20 21:22:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2022-11-20 21:22:44,185 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 41 transitions. Word has length 7 [2022-11-20 21:22:44,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:44,185 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 41 transitions. [2022-11-20 21:22:44,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-20 21:22:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-11-20 21:22:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:22:44,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:44,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:22:44,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 21:22:44,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-20 21:22:44,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:44,188 INFO L85 PathProgramCache]: Analyzing trace with hash 574161944, now seen corresponding path program 1 times [2022-11-20 21:22:44,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:44,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142197454] [2022-11-20 21:22:44,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:22:44,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:22:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:22:44,238 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:22:44,239 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:22:44,240 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-11-20 21:22:44,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-11-20 21:22:44,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-11-20 21:22:44,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-11-20 21:22:44,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-11-20 21:22:44,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 21:22:44,246 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 21:22:44,252 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 21:22:44,252 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:22:44,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:22:44 BasicIcfg [2022-11-20 21:22:44,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:22:44,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:22:44,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:22:44,274 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:22:44,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:39" (3/4) ... [2022-11-20 21:22:44,278 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 21:22:44,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:22:44,279 INFO L158 Benchmark]: Toolchain (without parser) took 6298.49ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 123.9MB in the beginning and 113.8MB in the end (delta: 10.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-11-20 21:22:44,279 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 161.5MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:44,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.26ms. Allocated memory is still 161.5MB. Free memory was 123.5MB in the beginning and 96.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 21:22:44,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.55ms. Allocated memory is still 161.5MB. Free memory was 95.8MB in the beginning and 93.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:44,280 INFO L158 Benchmark]: Boogie Preprocessor took 56.96ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 92.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:44,280 INFO L158 Benchmark]: RCFGBuilder took 465.54ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 78.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 21:22:44,281 INFO L158 Benchmark]: TraceAbstraction took 4949.56ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 77.3MB in the beginning and 113.8MB in the end (delta: -36.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:44,281 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 195.0MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:44,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 161.5MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.26ms. Allocated memory is still 161.5MB. Free memory was 123.5MB in the beginning and 96.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.55ms. Allocated memory is still 161.5MB. Free memory was 95.8MB in the beginning and 93.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.96ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 92.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.54ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 78.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4949.56ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 77.3MB in the beginning and 113.8MB in the end (delta: -36.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 195.0MB. Free memory is still 113.8MB. 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: 3.6s, 95 PlacesBefore, 23 PlacesAfterwards, 92 TransitionsBefore, 20 TransitionsAfterwards, 1032 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 80 TotalNumberOfCompositions, 2386 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1581, independent: 1438, independent conditional: 0, independent unconditional: 1438, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 836, independent: 797, independent conditional: 0, independent unconditional: 797, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 836, independent: 789, independent conditional: 0, independent unconditional: 789, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 110, dependent conditional: 0, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1581, independent: 641, independent conditional: 0, independent unconditional: 641, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 836, unknown conditional: 0, unknown unconditional: 836] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, 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: 932]: Data race detected Data race detected The following path leads to a data race: [L919] 0 int (*fp)() = f1; [L920] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L921] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L929] 0 pthread_t id; [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L924] 1 fp = f2 VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, mutex1={1:0}, mutex2={2:0}] [L932] 0 fp() VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, id={3:0}, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~fp~0 between C: fp = f2 [924] and C: fp() [932] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: 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: 924]: 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, 106 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 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! [2022-11-20 21:22:44,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a10f30-607e-402c-b973-0bf4bba2ab14/bin/utaipan-6cKwYrpEi9/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