./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_03-munge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_03-munge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur --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 81960e880aaa6f71673e64a755149f585c3b22c34964928097fd9d26ae710e5b --- 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-38b53e6 [2022-11-25 22:27:32,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:27:32,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:27:32,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:27:32,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:27:32,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:27:32,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:27:32,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:27:32,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:27:32,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:27:32,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:27:32,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:27:32,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:27:32,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:27:32,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:27:32,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:27:32,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:27:32,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:27:32,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:27:32,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:27:32,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:27:32,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:27:32,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:27:32,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:27:32,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:27:32,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:27:32,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:27:32,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:27:32,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:27:32,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:27:32,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:27:32,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:27:32,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:27:32,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:27:32,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:27:32,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:27:32,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:27:32,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:27:32,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:27:32,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:27:32,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:27:32,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 22:27:32,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:27:32,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:27:32,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:27:32,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:27:32,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:27:32,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:27:32,782 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:27:32,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:27:32,782 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:27:32,783 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:27:32,783 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:27:32,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:27:32,783 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:27:32,784 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:27:32,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:27:32,784 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:27:32,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:27:32,785 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:27:32,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:27:32,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:27:32,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:27:32,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:27:32,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:27:32,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:27:32,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:27:32,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:27:32,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:27:32,788 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 22:27:32,789 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:27:32,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:27:32,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:27:32,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:27:32,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:27:32,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:27:32,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:32,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:27:32,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:27:32,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:27:32,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:27:32,792 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:27:32,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:27:32,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:27:32,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:27:32,793 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_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81960e880aaa6f71673e64a755149f585c3b22c34964928097fd9d26ae710e5b [2022-11-25 22:27:33,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:27:33,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:27:33,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:27:33,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:27:33,100 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:27:33,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/04-mutex_03-munge_rc.i [2022-11-25 22:27:36,699 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:27:37,112 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:27:37,117 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/sv-benchmarks/c/goblint-regression/04-mutex_03-munge_rc.i [2022-11-25 22:27:37,143 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/data/fd50dbe87/f57a25c7092046e28a9bd1e3c2f70449/FLAG5b88c46da [2022-11-25 22:27:37,164 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/data/fd50dbe87/f57a25c7092046e28a9bd1e3c2f70449 [2022-11-25 22:27:37,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:27:37,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:27:37,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:37,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:27:37,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:27:37,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:37" (1/1) ... [2022-11-25 22:27:37,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8fb888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:37, skipping insertion in model container [2022-11-25 22:27:37,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:37" (1/1) ... [2022-11-25 22:27:37,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:27:37,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:27:37,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:27:37,888 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:27:37,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:27:38,034 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:27:38,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38 WrapperNode [2022-11-25 22:27:38,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:38,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:27:38,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:27:38,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:27:38,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,134 INFO L138 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-11-25 22:27:38,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:27:38,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:27:38,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:27:38,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:27:38,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:27:38,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:27:38,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:27:38,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:27:38,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:27:38,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:27:38,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:27:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:27:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:27:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:27:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:27:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 22:27:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:27:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 22:27:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 22:27:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:27:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:27:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:27:38,317 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:27:38,573 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:27:38,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:27:38,809 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:27:38,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:27:38,829 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:27:38,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:38 BoogieIcfgContainer [2022-11-25 22:27:38,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:27:38,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:27:38,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:27:38,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:27:38,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:27:37" (1/3) ... [2022-11-25 22:27:38,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5300fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:27:38, skipping insertion in model container [2022-11-25 22:27:38,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38" (2/3) ... [2022-11-25 22:27:38,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5300fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:27:38, skipping insertion in model container [2022-11-25 22:27:38,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:38" (3/3) ... [2022-11-25 22:27:38,846 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_03-munge_rc.i [2022-11-25 22:27:38,859 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 22:27:38,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:27:38,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-25 22:27:38,873 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:27:38,971 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 22:27:39,032 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:27:39,057 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 83 transitions, 174 flow [2022-11-25 22:27:39,064 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 83 transitions, 174 flow [2022-11-25 22:27:39,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 174 flow [2022-11-25 22:27:39,135 INFO L130 PetriNetUnfolder]: 0/82 cut-off events. [2022-11-25 22:27:39,135 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 22:27:39,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 0/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-25 22:27:39,140 INFO L119 LiptonReduction]: Number of co-enabled transitions 1040 [2022-11-25 22:27:42,781 INFO L134 LiptonReduction]: Checked pairs total: 3422 [2022-11-25 22:27:42,782 INFO L136 LiptonReduction]: Total number of compositions: 68 [2022-11-25 22:27:42,795 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 22 transitions, 52 flow [2022-11-25 22:27:42,816 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90 states, 78 states have (on average 2.0384615384615383) internal successors, (159), 89 states have internal predecessors, (159), 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) [2022-11-25 22:27:42,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:27:42,845 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;@7aa29614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:27:42,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 22:27:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 78 states have (on average 2.0384615384615383) internal successors, (159), 89 states have internal predecessors, (159), 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) [2022-11-25 22:27:42,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-25 22:27:42,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:42,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-25 22:27:42,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-25 22:27:42,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:42,868 INFO L85 PathProgramCache]: Analyzing trace with hash 280963, now seen corresponding path program 1 times [2022-11-25 22:27:42,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:27:42,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657542662] [2022-11-25 22:27:42,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:42,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:27:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:43,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:27:43,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657542662] [2022-11-25 22:27:43,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657542662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:43,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:43,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 22:27:43,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417779870] [2022-11-25 22:27:43,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:43,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:27:43,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:27:43,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:27:43,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:27:43,113 INFO L87 Difference]: Start difference. First operand has 90 states, 78 states have (on average 2.0384615384615383) internal successors, (159), 89 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-25 22:27:43,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:43,170 INFO L93 Difference]: Finished difference Result 81 states and 142 transitions. [2022-11-25 22:27:43,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:27:43,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-25 22:27:43,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:43,190 INFO L225 Difference]: With dead ends: 81 [2022-11-25 22:27:43,190 INFO L226 Difference]: Without dead ends: 79 [2022-11-25 22:27:43,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:27:43,199 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:27:43,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:27:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-25 22:27:43,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-25 22:27:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 71 states have (on average 1.943661971830986) internal successors, (138), 78 states have internal predecessors, (138), 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) [2022-11-25 22:27:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 138 transitions. [2022-11-25 22:27:43,295 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 138 transitions. Word has length 3 [2022-11-25 22:27:43,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:43,297 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 138 transitions. [2022-11-25 22:27:43,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-25 22:27:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 138 transitions. [2022-11-25 22:27:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 22:27:43,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:43,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 22:27:43,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:27:43,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-25 22:27:43,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:43,306 INFO L85 PathProgramCache]: Analyzing trace with hash 269998564, now seen corresponding path program 1 times [2022-11-25 22:27:43,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:27:43,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250684099] [2022-11-25 22:27:43,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:27:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:43,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:27:43,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250684099] [2022-11-25 22:27:43,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250684099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:43,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:43,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:27:43,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681799759] [2022-11-25 22:27:43,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:43,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:27:43,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:27:43,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:27:43,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:27:43,421 INFO L87 Difference]: Start difference. First operand 79 states and 138 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:27:43,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:43,491 INFO L93 Difference]: Finished difference Result 86 states and 148 transitions. [2022-11-25 22:27:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:27:43,492 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 [2022-11-25 22:27:43,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:43,495 INFO L225 Difference]: With dead ends: 86 [2022-11-25 22:27:43,495 INFO L226 Difference]: Without dead ends: 86 [2022-11-25 22:27:43,496 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 [2022-11-25 22:27:43,497 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:27:43,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:27:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-25 22:27:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2022-11-25 22:27:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 77 states have internal predecessors, (134), 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) [2022-11-25 22:27:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2022-11-25 22:27:43,510 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 134 transitions. Word has length 5 [2022-11-25 22:27:43,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:43,510 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 134 transitions. [2022-11-25 22:27:43,511 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) [2022-11-25 22:27:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2022-11-25 22:27:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:27:43,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:43,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:27:43,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:27:43,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-25 22:27:43,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:43,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1770684771, now seen corresponding path program 1 times [2022-11-25 22:27:43,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:27:43,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887893984] [2022-11-25 22:27:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:43,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:27:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:43,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:27:43,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887893984] [2022-11-25 22:27:43,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887893984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:43,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:43,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:27:43,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788591162] [2022-11-25 22:27:43,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:43,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:27:43,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:27:43,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:27:43,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:27:43,586 INFO L87 Difference]: Start difference. First operand 78 states and 134 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) [2022-11-25 22:27:43,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:43,660 INFO L93 Difference]: Finished difference Result 79 states and 133 transitions. [2022-11-25 22:27:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:27:43,661 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 [2022-11-25 22:27:43,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:43,664 INFO L225 Difference]: With dead ends: 79 [2022-11-25 22:27:43,664 INFO L226 Difference]: Without dead ends: 69 [2022-11-25 22:27:43,665 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 [2022-11-25 22:27:43,666 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:27:43,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:27:43,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-25 22:27:43,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-25 22:27:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 63 states have (on average 1.7936507936507937) internal successors, (113), 68 states have internal predecessors, (113), 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) [2022-11-25 22:27:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 113 transitions. [2022-11-25 22:27:43,686 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 113 transitions. Word has length 7 [2022-11-25 22:27:43,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:43,687 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 113 transitions. [2022-11-25 22:27:43,688 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) [2022-11-25 22:27:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2022-11-25 22:27:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:27:43,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:43,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:27:43,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:27:43,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-25 22:27:43,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:43,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1773204870, now seen corresponding path program 1 times [2022-11-25 22:27:43,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:27:43,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628938610] [2022-11-25 22:27:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:27:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:43,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:27:43,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628938610] [2022-11-25 22:27:43,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628938610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:43,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:43,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:27:43,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476943354] [2022-11-25 22:27:43,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:43,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:27:43,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:27:43,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:27:43,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:27:43,815 INFO L87 Difference]: Start difference. First operand 69 states and 113 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) [2022-11-25 22:27:43,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:43,867 INFO L93 Difference]: Finished difference Result 66 states and 103 transitions. [2022-11-25 22:27:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:27:43,868 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 [2022-11-25 22:27:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:43,869 INFO L225 Difference]: With dead ends: 66 [2022-11-25 22:27:43,869 INFO L226 Difference]: Without dead ends: 56 [2022-11-25 22:27:43,870 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 [2022-11-25 22:27:43,871 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:27:43,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:27:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-25 22:27:43,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-25 22:27:43,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 52 states have (on average 1.5769230769230769) internal successors, (82), 55 states have internal predecessors, (82), 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) [2022-11-25 22:27:43,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2022-11-25 22:27:43,879 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 7 [2022-11-25 22:27:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:43,880 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2022-11-25 22:27:43,880 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) [2022-11-25 22:27:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2022-11-25 22:27:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 22:27:43,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:43,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:27:43,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:27:43,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-25 22:27:43,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:43,883 INFO L85 PathProgramCache]: Analyzing trace with hash 822396445, now seen corresponding path program 1 times [2022-11-25 22:27:43,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:27:43,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085957683] [2022-11-25 22:27:43,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:43,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:27:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:27:43,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:27:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:27:43,953 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:27:43,954 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:27:43,955 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-25 22:27:43,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-25 22:27:43,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-25 22:27:43,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-11-25 22:27:43,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2022-11-25 22:27:43,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-25 22:27:43,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-25 22:27:43,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-25 22:27:43,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:27:43,972 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 22:27:43,981 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 22:27:43,981 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:27:44,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:27:44 BasicIcfg [2022-11-25 22:27:44,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:27:44,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:27:44,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:27:44,040 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:27:44,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:38" (3/4) ... [2022-11-25 22:27:44,044 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:27:44,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:27:44,045 INFO L158 Benchmark]: Toolchain (without parser) took 6872.67ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 127.9MB in the end (delta: 26.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-11-25 22:27:44,046 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:27:44,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.48ms. Allocated memory is still 201.3MB. Free memory was 154.2MB in the beginning and 127.5MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 22:27:44,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.18ms. Allocated memory is still 201.3MB. Free memory was 127.5MB in the beginning and 124.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:27:44,053 INFO L158 Benchmark]: Boogie Preprocessor took 67.90ms. Allocated memory is still 201.3MB. Free memory was 124.8MB in the beginning and 123.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:27:44,054 INFO L158 Benchmark]: RCFGBuilder took 626.34ms. Allocated memory is still 201.3MB. Free memory was 123.3MB in the beginning and 109.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 22:27:44,054 INFO L158 Benchmark]: TraceAbstraction took 5204.39ms. Allocated memory is still 201.3MB. Free memory was 109.0MB in the beginning and 127.9MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:27:44,054 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:27:44,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.48ms. Allocated memory is still 201.3MB. Free memory was 154.2MB in the beginning and 127.5MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.18ms. Allocated memory is still 201.3MB. Free memory was 127.5MB in the beginning and 124.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.90ms. Allocated memory is still 201.3MB. Free memory was 124.8MB in the beginning and 123.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 626.34ms. Allocated memory is still 201.3MB. Free memory was 123.3MB in the beginning and 109.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5204.39ms. Allocated memory is still 201.3MB. Free memory was 109.0MB in the beginning and 127.9MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. 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: 3.7s, 87 PlacesBefore, 26 PlacesAfterwards, 83 TransitionsBefore, 22 TransitionsAfterwards, 1040 CoEnabledTransitionPairs, 9 FixpointIterations, 32 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 68 TotalNumberOfCompositions, 3422 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1590, independent: 1311, independent conditional: 0, independent unconditional: 1311, dependent: 279, dependent conditional: 0, dependent unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 745, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 745, independent: 659, independent conditional: 0, independent unconditional: 659, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 86, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, independent: 92, independent conditional: 0, independent unconditional: 92, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1590, independent: 604, independent conditional: 0, independent unconditional: 604, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 745, unknown conditional: 0, unknown unconditional: 745] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, 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: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L930] 0 pthread_t id; [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L932] CALL 0 munge(&mutex1) [L922] EXPR 0 myglobal+1 [L922] 0 myglobal=myglobal+1 VAL [m={1:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L926] CALL 1 munge(&mutex2) [L922] 1 myglobal+1 VAL [m={1:0}, m={2:0}, m={2:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L922] 1 myglobal+1 VAL [m={1:0}, m={2:0}, m={2:0}, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [922] and C: myglobal+1 [922] - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: 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: 922]: 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, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 14 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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! [2022-11-25 22:27:44,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d962e-f1dc-41f4-91d8-a9a8dc2815e7/bin/utaipan-ByfvJB40ur/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