./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7 --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 c11b7127fb2beec6d5e726c9468c73fdf6ccc05ef40eceb17d287e75d34e535a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:51:35,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:51:35,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:51:35,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:51:35,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:51:35,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:51:35,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:51:35,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:51:35,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:51:35,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:51:35,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:51:35,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:51:35,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:51:35,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:51:35,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:51:35,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:51:35,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:51:35,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:51:35,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:51:35,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:51:35,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:51:35,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:51:35,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:51:35,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:51:35,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:51:35,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:51:35,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:51:35,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:51:35,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:51:35,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:51:35,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:51:35,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:51:35,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:51:35,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:51:35,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:51:35,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:51:35,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:51:35,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:51:35,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:51:35,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:51:35,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:51:35,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 17:51:35,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:51:35,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:51:35,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:51:35,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:51:35,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:51:35,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:51:35,126 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:51:35,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:51:35,126 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:51:35,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:51:35,127 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:51:35,127 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:51:35,128 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:51:35,128 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:51:35,128 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:51:35,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:51:35,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:51:35,129 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:51:35,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:51:35,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:51:35,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:51:35,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:51:35,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:51:35,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:51:35,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:51:35,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:51:35,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:51:35,133 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 17:51:35,133 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:51:35,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:51:35,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:51:35,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:51:35,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:51:35,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:51:35,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:51:35,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:51:35,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:51:35,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:51:35,136 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:51:35,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:51:35,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:51:35,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:51:35,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:51:35,138 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11b7127fb2beec6d5e726c9468c73fdf6ccc05ef40eceb17d287e75d34e535a [2021-11-25 17:51:35,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:51:35,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:51:35,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:51:35,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:51:35,398 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:51:35,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i [2021-11-25 17:51:35,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/data/4cc49b381/ce61cc4018a540ac9148d3fed0977e1a/FLAG6fd0c20f0 [2021-11-25 17:51:36,073 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:51:36,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i [2021-11-25 17:51:36,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/data/4cc49b381/ce61cc4018a540ac9148d3fed0977e1a/FLAG6fd0c20f0 [2021-11-25 17:51:36,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/data/4cc49b381/ce61cc4018a540ac9148d3fed0977e1a [2021-11-25 17:51:36,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:51:36,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:51:36,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:51:36,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:51:36,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:51:36,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:36,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a66e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36, skipping insertion in model container [2021-11-25 17:51:36,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:36,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:51:36,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:51:36,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:51:36,887 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:51:36,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:51:36,989 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:51:36,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36 WrapperNode [2021-11-25 17:51:36,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:51:36,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:51:36,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:51:36,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:51:36,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,037 INFO L137 Inliner]: procedures = 266, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2021-11-25 17:51:37,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:51:37,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:51:37,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:51:37,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:51:37,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:51:37,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:51:37,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:51:37,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:51:37,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (1/1) ... [2021-11-25 17:51:37,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:51:37,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:51:37,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:51:37,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:51:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:51:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:51:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:51:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 17:51:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:51:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 17:51:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 17:51:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:51:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:51:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:51:37,146 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 17:51:37,281 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:51:37,283 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:51:37,463 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:51:37,470 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:51:37,470 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 17:51:37,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:37 BoogieIcfgContainer [2021-11-25 17:51:37,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:51:37,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:51:37,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:51:37,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:51:37,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:51:36" (1/3) ... [2021-11-25 17:51:37,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151a5d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:37, skipping insertion in model container [2021-11-25 17:51:37,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:36" (2/3) ... [2021-11-25 17:51:37,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151a5d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:37, skipping insertion in model container [2021-11-25 17:51:37,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:37" (3/3) ... [2021-11-25 17:51:37,481 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_06-ps_rc.i [2021-11-25 17:51:37,494 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 17:51:37,494 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:51:37,495 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-25 17:51:37,495 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 17:51:37,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,521 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,522 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,522 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,523 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,532 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,533 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 17:51:37,536 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 17:51:37,595 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:51:37,602 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:51:37,613 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-25 17:51:37,626 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 17:51:37,640 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 83 transitions, 171 flow [2021-11-25 17:51:37,643 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 83 transitions, 171 flow [2021-11-25 17:51:37,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 171 flow [2021-11-25 17:51:37,694 INFO L129 PetriNetUnfolder]: 3/82 cut-off events. [2021-11-25 17:51:37,696 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-25 17:51:37,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 3/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-11-25 17:51:37,702 INFO L116 LiptonReduction]: Number of co-enabled transitions 1054 [2021-11-25 17:51:41,011 INFO L131 LiptonReduction]: Checked pairs total: 4071 [2021-11-25 17:51:41,011 INFO L133 LiptonReduction]: Total number of compositions: 67 [2021-11-25 17:51:41,020 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 24 transitions, 53 flow [2021-11-25 17:51:41,036 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119 states, 111 states have (on average 2.009009009009009) internal successors, (223), 118 states have internal predecessors, (223), 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) [2021-11-25 17:51:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 111 states have (on average 2.009009009009009) internal successors, (223), 118 states have internal predecessors, (223), 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) [2021-11-25 17:51:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 17:51:41,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:41,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-25 17:51:41,044 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 17:51:41,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:41,049 INFO L85 PathProgramCache]: Analyzing trace with hash 277607527, now seen corresponding path program 1 times [2021-11-25 17:51:41,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:41,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299159125] [2021-11-25 17:51:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:41,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:41,267 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:41,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299159125] [2021-11-25 17:51:41,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299159125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:41,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:41,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:51:41,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954885716] [2021-11-25 17:51:41,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:41,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:51:41,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:41,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:51:41,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:41,306 INFO L87 Difference]: Start difference. First operand has 119 states, 111 states have (on average 2.009009009009009) internal successors, (223), 118 states have internal predecessors, (223), 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) [2021-11-25 17:51:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:41,399 INFO L93 Difference]: Finished difference Result 138 states and 252 transitions. [2021-11-25 17:51:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:51:41,402 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 [2021-11-25 17:51:41,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:41,415 INFO L225 Difference]: With dead ends: 138 [2021-11-25 17:51:41,415 INFO L226 Difference]: Without dead ends: 138 [2021-11-25 17:51:41,422 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:51:41,426 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 15 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:41,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 10 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 17:51:41,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-11-25 17:51:41,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 114. [2021-11-25 17:51:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 107 states have (on average 1.9626168224299065) internal successors, (210), 113 states have internal predecessors, (210), 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) [2021-11-25 17:51:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 210 transitions. [2021-11-25 17:51:41,487 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 210 transitions. Word has length 5 [2021-11-25 17:51:41,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:41,487 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 210 transitions. [2021-11-25 17:51:41,488 INFO L471 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) [2021-11-25 17:51:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-25 17:51:41,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 17:51:41,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:41,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:41,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:51:41,492 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 17:51:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:41,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1197926940, now seen corresponding path program 1 times [2021-11-25 17:51:41,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:41,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778419171] [2021-11-25 17:51:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:41,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:41,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:41,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778419171] [2021-11-25 17:51:41,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778419171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:41,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:41,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:51:41,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985285326] [2021-11-25 17:51:41,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:41,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:51:41,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:41,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:51:41,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:41,622 INFO L87 Difference]: Start difference. First operand 114 states and 210 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 17:51:41,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:41,676 INFO L93 Difference]: Finished difference Result 117 states and 213 transitions. [2021-11-25 17:51:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:51:41,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-25 17:51:41,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:41,680 INFO L225 Difference]: With dead ends: 117 [2021-11-25 17:51:41,680 INFO L226 Difference]: Without dead ends: 103 [2021-11-25 17:51:41,681 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:51:41,682 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:41,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 17:51:41,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-11-25 17:51:41,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-25 17:51:41,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 97 states have (on average 1.907216494845361) internal successors, (185), 102 states have internal predecessors, (185), 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) [2021-11-25 17:51:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 185 transitions. [2021-11-25 17:51:41,708 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 185 transitions. Word has length 9 [2021-11-25 17:51:41,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:41,709 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 185 transitions. [2021-11-25 17:51:41,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 17:51:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 185 transitions. [2021-11-25 17:51:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 17:51:41,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:41,710 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:41,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:51:41,711 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 17:51:41,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:41,712 INFO L85 PathProgramCache]: Analyzing trace with hash -875868799, now seen corresponding path program 1 times [2021-11-25 17:51:41,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:41,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140445752] [2021-11-25 17:51:41,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:41,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:41,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:41,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140445752] [2021-11-25 17:51:41,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140445752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:41,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:41,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:51:41,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575154641] [2021-11-25 17:51:41,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:41,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:51:41,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:41,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:51:41,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:41,798 INFO L87 Difference]: Start difference. First operand 103 states and 185 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 17:51:41,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:41,833 INFO L93 Difference]: Finished difference Result 102 states and 176 transitions. [2021-11-25 17:51:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:51:41,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-25 17:51:41,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:41,834 INFO L225 Difference]: With dead ends: 102 [2021-11-25 17:51:41,834 INFO L226 Difference]: Without dead ends: 88 [2021-11-25 17:51:41,835 INFO L932 BasicCegarLoop]: 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 [2021-11-25 17:51:41,836 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 10 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:41,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 13 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 17:51:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-25 17:51:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-25 17:51:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.6428571428571428) internal successors, (138), 87 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) [2021-11-25 17:51:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2021-11-25 17:51:41,842 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 9 [2021-11-25 17:51:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:41,843 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2021-11-25 17:51:41,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 17:51:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2021-11-25 17:51:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 17:51:41,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:41,844 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:41,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 17:51:41,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 17:51:41,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:41,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1474100706, now seen corresponding path program 1 times [2021-11-25 17:51:41,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:41,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528583631] [2021-11-25 17:51:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:41,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 17:51:41,867 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 17:51:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 17:51:41,944 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 17:51:41,944 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 17:51:41,945 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-25 17:51:41,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-25 17:51:41,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2021-11-25 17:51:41,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2021-11-25 17:51:41,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-25 17:51:41,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-25 17:51:41,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-25 17:51:41,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 17:51:41,957 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-25 17:51:41,962 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 17:51:41,962 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 17:51:41,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:51:41 BasicIcfg [2021-11-25 17:51:41,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 17:51:41,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 17:51:41,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 17:51:41,991 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 17:51:41,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:37" (3/4) ... [2021-11-25 17:51:41,994 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 17:51:41,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 17:51:41,995 INFO L158 Benchmark]: Toolchain (without parser) took 5666.42ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 71.8MB in the beginning and 70.6MB in the end (delta: 1.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-25 17:51:41,995 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:51:41,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.78ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 62.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 17:51:41,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.30ms. Allocated memory is still 107.0MB. Free memory was 62.3MB in the beginning and 60.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 17:51:41,997 INFO L158 Benchmark]: Boogie Preprocessor took 25.83ms. Allocated memory is still 107.0MB. Free memory was 60.0MB in the beginning and 58.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 17:51:41,997 INFO L158 Benchmark]: RCFGBuilder took 407.87ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 103.0MB in the end (delta: -44.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-11-25 17:51:41,997 INFO L158 Benchmark]: TraceAbstraction took 4516.01ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 70.6MB in the end (delta: 31.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-25 17:51:41,998 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 132.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:51:42,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.78ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 62.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.30ms. Allocated memory is still 107.0MB. Free memory was 62.3MB in the beginning and 60.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.83ms. Allocated memory is still 107.0MB. Free memory was 60.0MB in the beginning and 58.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.87ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 103.0MB in the end (delta: -44.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4516.01ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 70.6MB in the end (delta: 31.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 132.1MB. Free memory is still 70.6MB. 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: 3.4s, 84 PlacesBefore, 27 PlacesAfterwards, 83 TransitionsBefore, 24 TransitionsAfterwards, 1054 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 67 TotalNumberOfCompositions, 4071 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2059, positive: 1793, positive conditional: 0, positive unconditional: 1793, negative: 266, negative conditional: 0, negative unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848, positive: 796, positive conditional: 0, positive unconditional: 796, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 848, positive: 782, positive conditional: 0, positive unconditional: 782, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 13, unknown conditional: 0, unknown unconditional: 13] ], Cache Queries: [ total: 2059, positive: 997, positive conditional: 0, positive unconditional: 997, negative: 214, negative conditional: 0, negative unconditional: 214, unknown: 848, unknown conditional: 0, unknown unconditional: 848] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - 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: 933]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L930] 0 pthread_mutex_t n = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L938] 0 int i = __VERIFIER_nondet_int(); [L939] 0 pthread_t id; [L940] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L942] COND TRUE 0 \read(i) [L945] COND TRUE 0 \read(i) [L946] 0 glob++ VAL [arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}, pthread_mutex_lock(&m)=25] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}, pthread_mutex_lock(&m)=25, pthread_mutex_lock(&n)=0] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, m={4:0}, n={5:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=26, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}, pthread_mutex_lock(&m)=25] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, m={4:0}, n={5:0}] Now there is a data race on ~glob~0 between C: glob++ [946] and C: glob++ [933] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 940]: 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: 933]: 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, 100 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 17:51:42,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e46893-a6fd-48f1-ae65-48def539a502/bin/utaipan-eEHZpOm5b7/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