./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/10-synch_02-thread_nonunique.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/10-synch_02-thread_nonunique.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0 --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b48d13cab05bc3b998f8de65b383ec2ee92eaa2c6f230f8a23e235950b9a5ba --- 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-dbf71c6-m [2022-10-17 16:10:35,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:10:35,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:10:35,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:10:35,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:10:36,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:10:36,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:10:36,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:10:36,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:10:36,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:10:36,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:10:36,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:10:36,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:10:36,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:10:36,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:10:36,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:10:36,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:10:36,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:10:36,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:10:36,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:10:36,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:10:36,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:10:36,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:10:36,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:10:36,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:10:36,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:10:36,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:10:36,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:10:36,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:10:36,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:10:36,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:10:36,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:10:36,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:10:36,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:10:36,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:10:36,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:10:36,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:10:36,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:10:36,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:10:36,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:10:36,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:10:36,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-10-17 16:10:36,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:10:36,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:10:36,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 16:10:36,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 16:10:36,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:10:36,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 16:10:36,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:10:36,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:10:36,103 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 16:10:36,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:10:36,104 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:10:36,104 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:10:36,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:10:36,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:10:36,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:10:36,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:10:36,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:10:36,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:10:36,106 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 16:10:36,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:10:36,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:10:36,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:10:36,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:10:36,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:10:36,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 16:10:36,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-17 16:10:36,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 16:10:36,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 16:10:36,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:10:36,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:10:36,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:10:36,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 16:10:36,110 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-10-17 16:10:36,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:10:36,111 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 16:10:36,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-17 16:10:36,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:10:36,112 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-10-17 16:10:36,112 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-10-17 16:10:36,112 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_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b48d13cab05bc3b998f8de65b383ec2ee92eaa2c6f230f8a23e235950b9a5ba [2022-10-17 16:10:36,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:10:36,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:10:36,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:10:36,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:10:36,434 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:10:36,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/../../sv-benchmarks/c/goblint-regression/10-synch_02-thread_nonunique.i [2022-10-17 16:10:36,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/data/adf501e4e/16e015ebb9f547aebefdc713b2d6b519/FLAG88e0e9e54 [2022-10-17 16:10:37,072 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:10:37,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/sv-benchmarks/c/goblint-regression/10-synch_02-thread_nonunique.i [2022-10-17 16:10:37,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/data/adf501e4e/16e015ebb9f547aebefdc713b2d6b519/FLAG88e0e9e54 [2022-10-17 16:10:37,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/data/adf501e4e/16e015ebb9f547aebefdc713b2d6b519 [2022-10-17 16:10:37,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:10:37,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:10:37,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:10:37,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:10:37,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:10:37,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:10:37" (1/1) ... [2022-10-17 16:10:37,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772996fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:37, skipping insertion in model container [2022-10-17 16:10:37,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:10:37" (1/1) ... [2022-10-17 16:10:37,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:10:37,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:10:37,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:10:38,007 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:10:38,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:10:38,154 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:10:38,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38 WrapperNode [2022-10-17 16:10:38,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:10:38,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:10:38,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:10:38,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:10:38,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,225 INFO L138 Inliner]: procedures = 259, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-10-17 16:10:38,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:10:38,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:10:38,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:10:38,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:10:38,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,260 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:10:38,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:10:38,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:10:38,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:10:38,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (1/1) ... [2022-10-17 16:10:38,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 16:10:38,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 [2022-10-17 16:10:38,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 16:10:38,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 16:10:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:10:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:10:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:10:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:10:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 16:10:38,400 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 16:10:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:10:38,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:10:38,402 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:10:38,575 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:10:38,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:10:38,789 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:10:38,796 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:10:38,796 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:10:38,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:10:38 BoogieIcfgContainer [2022-10-17 16:10:38,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:10:38,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 16:10:38,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 16:10:38,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 16:10:38,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 04:10:37" (1/3) ... [2022-10-17 16:10:38,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763a7ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:10:38, skipping insertion in model container [2022-10-17 16:10:38,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:10:38" (2/3) ... [2022-10-17 16:10:38,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763a7ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:10:38, skipping insertion in model container [2022-10-17 16:10:38,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:10:38" (3/3) ... [2022-10-17 16:10:38,810 INFO L112 eAbstractionObserver]: Analyzing ICFG 10-synch_02-thread_nonunique.i [2022-10-17 16:10:38,818 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 16:10:38,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 16:10:38,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 16:10:38,830 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 16:10:38,871 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-17 16:10:38,944 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 16:10:38,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-17 16:10:38,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 [2022-10-17 16:10:38,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-17 16:10:38,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-17 16:10:38,983 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-17 16:10:38,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-10-17 16:10:39,005 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=PARTIAL_ORDER_FA, 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;@115f0c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 16:10:39,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 16:10:39,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-10-17 16:10:39,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:39,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1007310137, now seen corresponding path program 1 times [2022-10-17 16:10:39,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:39,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625748782] [2022-10-17 16:10:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:39,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:10:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:39,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 16:10:39,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625748782] [2022-10-17 16:10:39,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625748782] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 16:10:39,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 16:10:39,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 16:10:39,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511800116] [2022-10-17 16:10:39,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 16:10:39,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 16:10:39,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 16:10:39,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 16:10:39,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 16:10:39,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-17 16:10:39,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-17 16:10:39,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:39,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-10-17 16:10:39,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 16:10:39,517 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-17 16:10:39,520 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2022-10-17 16:10:39,526 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 16:10:39,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-17 16:10:39,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 [2022-10-17 16:10:39,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-17 16:10:39,537 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-17 16:10:39,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-10-17 16:10:39,539 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=PARTIAL_ORDER_FA, 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;@115f0c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 16:10:39,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 16:10:39,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-10-17 16:10:39,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:39,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1508681915, now seen corresponding path program 1 times [2022-10-17 16:10:39,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:39,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113949835] [2022-10-17 16:10:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:39,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:39,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-17 16:10:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:10:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:39,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 16:10:39,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113949835] [2022-10-17 16:10:39,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113949835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 16:10:39,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 16:10:39,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 16:10:39,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410159262] [2022-10-17 16:10:39,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 16:10:39,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 16:10:39,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 16:10:39,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 16:10:39,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 16:10:39,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-17 16:10:39,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-10-17 16:10:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 16:10:39,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-10-17 16:10:39,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:39,638 INFO L85 PathProgramCache]: Analyzing trace with hash -298772548, now seen corresponding path program 1 times [2022-10-17 16:10:39,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:39,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190847026] [2022-10-17 16:10:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:39,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:10:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:39,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 16:10:39,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190847026] [2022-10-17 16:10:39,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190847026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 16:10:39,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 16:10:39,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 16:10:39,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065853416] [2022-10-17 16:10:39,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 16:10:39,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 16:10:39,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 16:10:39,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 16:10:39,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 16:10:39,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-17 16:10:39,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-10-17 16:10:39,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:39,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:39,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 16:10:39,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-10-17 16:10:39,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:39,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1204924618, now seen corresponding path program 1 times [2022-10-17 16:10:39,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:39,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802158042] [2022-10-17 16:10:39,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:39,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:10:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:40,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 16:10:40,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802158042] [2022-10-17 16:10:40,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802158042] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 16:10:40,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 16:10:40,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 16:10:40,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958368531] [2022-10-17 16:10:40,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 16:10:40,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 16:10:40,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 16:10:40,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 16:10:40,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 16:10:40,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-17 16:10:40,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-10-17 16:10:40,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:40,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:40,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 16:10:40,081 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-10-17 16:10:40,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:40,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1025732284, now seen corresponding path program 1 times [2022-10-17 16:10:40,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:40,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478409545] [2022-10-17 16:10:40,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:40,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:10:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:40,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 16:10:40,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478409545] [2022-10-17 16:10:40,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478409545] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 16:10:40,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270329203] [2022-10-17 16:10:40,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:40,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 16:10:40,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 [2022-10-17 16:10:40,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 16:10:40,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-17 16:10:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:10:40,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:10:40,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:10:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:40,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 16:10:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:40,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270329203] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 16:10:40,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 16:10:40,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-17 16:10:40,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346760890] [2022-10-17 16:10:40,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 16:10:40,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-17 16:10:40,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 16:10:40,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-17 16:10:40,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-17 16:10:40,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-17 16:10:40,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 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) [2022-10-17 16:10:40,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:40,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:40,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:40,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:40,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 16:10:40,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-17 16:10:40,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 16:10:40,882 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-10-17 16:10:40,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:40,882 INFO L85 PathProgramCache]: Analyzing trace with hash 813472353, now seen corresponding path program 1 times [2022-10-17 16:10:40,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:40,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83781147] [2022-10-17 16:10:40,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:40,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:10:40,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:10:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:10:40,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 16:10:40,960 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 16:10:40,960 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2022-10-17 16:10:40,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-10-17 16:10:40,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 16:10:40,972 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-17 16:10:40,973 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2022-10-17 16:10:40,977 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-10-17 16:10:40,978 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-10-17 16:10:40,999 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-17 16:10:41,008 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 16:10:41,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-17 16:10:41,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 [2022-10-17 16:10:41,010 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-17 16:10:41,018 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-17 16:10:41,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2022-10-17 16:10:41,019 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=PARTIAL_ORDER_FA, 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;@115f0c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 16:10:41,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 16:10:41,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-17 16:10:41,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-10-17 16:10:41,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:41,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1630486082, now seen corresponding path program 1 times [2022-10-17 16:10:41,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:41,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480736888] [2022-10-17 16:10:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:10:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:10:41,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 16:10:41,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480736888] [2022-10-17 16:10:41,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480736888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 16:10:41,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 16:10:41,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 16:10:41,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545082901] [2022-10-17 16:10:41,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 16:10:41,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 16:10:41,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 16:10:41,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 16:10:41,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 16:10:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:41,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-17 16:10:41,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-17 16:10:41,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-17 16:10:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 16:10:41,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 16:10:41,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-10-17 16:10:41,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:10:41,338 INFO L85 PathProgramCache]: Analyzing trace with hash 377051858, now seen corresponding path program 1 times [2022-10-17 16:10:41,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 16:10:41,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634053218] [2022-10-17 16:10:41,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 16:10:41,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:10:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:10:41,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:10:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:10:41,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 16:10:41,404 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 16:10:41,404 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-10-17 16:10:41,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 16:10:41,407 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-17 16:10:41,407 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was UNSAFE (1/3) [2022-10-17 16:10:41,410 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-10-17 16:10:41,410 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 16:10:41,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 04:10:41 BasicIcfg [2022-10-17 16:10:41,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 16:10:41,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:10:41,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:10:41,482 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:10:41,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:10:38" (3/4) ... [2022-10-17 16:10:41,486 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 16:10:41,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:10:41,487 INFO L158 Benchmark]: Toolchain (without parser) took 4157.90ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 76.8MB in the beginning and 58.6MB in the end (delta: 18.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-10-17 16:10:41,488 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:10:41,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.60ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 70.3MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:10:41,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.25ms. Allocated memory is still 113.2MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:10:41,489 INFO L158 Benchmark]: Boogie Preprocessor took 46.56ms. Allocated memory is still 113.2MB. Free memory was 68.2MB in the beginning and 66.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:10:41,490 INFO L158 Benchmark]: RCFGBuilder took 525.20ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 54.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:10:41,491 INFO L158 Benchmark]: TraceAbstraction took 2679.47ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 54.3MB in the beginning and 59.6MB in the end (delta: -5.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-10-17 16:10:41,492 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 136.3MB. Free memory was 59.6MB in the beginning and 58.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:10:41,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.60ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 70.3MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.25ms. Allocated memory is still 113.2MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.56ms. Allocated memory is still 113.2MB. Free memory was 68.2MB in the beginning and 66.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.20ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 54.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2679.47ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 54.3MB in the beginning and 59.6MB in the end (delta: -5.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 136.3MB. Free memory was 59.6MB in the beginning and 58.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 527, positive: 510, positive conditional: 68, positive unconditional: 442, negative: 17, negative conditional: 13, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 68, positive unconditional: 442, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 68, positive unconditional: 442, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 514, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 383, positive: 379, positive conditional: 0, positive unconditional: 379, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 383, positive: 377, positive conditional: 0, positive unconditional: 377, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 514, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 383, unknown conditional: 0, unknown unconditional: 383] , Statistics on independence cache: Total cache size (in pairs): 383, Positive cache size: 379, Positive conditional cache size: 0, Positive unconditional cache size: 379, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 13 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 60, Number of trivial persistent sets: 45, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, positive: 442, positive conditional: 0, positive unconditional: 442, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 527, positive: 510, positive conditional: 68, positive unconditional: 442, negative: 17, negative conditional: 13, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 68, positive unconditional: 442, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 68, positive unconditional: 442, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 514, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 514, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 383, positive: 379, positive conditional: 0, positive unconditional: 379, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 383, positive: 377, positive conditional: 0, positive unconditional: 377, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 514, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 383, unknown conditional: 0, unknown unconditional: 383] , Statistics on independence cache: Total cache size (in pairs): 383, Positive cache size: 379, Positive conditional cache size: 0, Positive unconditional cache size: 379, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 13 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 455, positive: 407, positive conditional: 55, positive unconditional: 352, negative: 48, negative conditional: 46, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 55, positive unconditional: 352, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 55, positive unconditional: 352, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 409, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 291, positive: 289, positive conditional: 0, positive unconditional: 289, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 291, positive: 287, positive conditional: 0, positive unconditional: 287, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 409, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 289, Positive conditional cache size: 0, Positive unconditional cache size: 289, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 46 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 63, Number of trivial persistent sets: 63, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 354, positive: 352, positive conditional: 0, positive unconditional: 352, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 455, positive: 407, positive conditional: 55, positive unconditional: 352, negative: 48, negative conditional: 46, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 55, positive unconditional: 352, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 55, positive unconditional: 352, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 409, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 409, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 291, positive: 289, positive conditional: 0, positive unconditional: 289, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 291, positive: 287, positive conditional: 0, positive unconditional: 287, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 409, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 289, Positive conditional cache size: 0, Positive unconditional cache size: 289, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 46 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1229, positive: 1189, positive conditional: 123, positive unconditional: 1066, negative: 40, negative conditional: 27, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1204, positive: 1189, positive conditional: 123, positive unconditional: 1066, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1204, positive: 1189, positive conditional: 123, positive unconditional: 1066, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1208, positive: 1189, positive conditional: 2, positive unconditional: 1187, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1208, positive: 1189, positive conditional: 2, positive unconditional: 1187, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1208, positive: 1189, positive conditional: 2, positive unconditional: 1187, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 934, positive: 919, positive conditional: 1, positive unconditional: 918, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 934, positive: 913, positive conditional: 0, positive unconditional: 913, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 54, positive conditional: 3, positive unconditional: 52, negative: 43, negative conditional: 3, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1208, positive: 270, positive conditional: 1, positive unconditional: 269, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 934, unknown conditional: 2, unknown unconditional: 932] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 919, Positive conditional cache size: 1, Positive unconditional cache size: 918, Negative cache size: 15, Negative conditional cache size: 1, Negative unconditional cache size: 14, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 25 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 85, Number of trivial persistent sets: 61, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1079, positive: 1066, positive conditional: 0, positive unconditional: 1066, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1229, positive: 1189, positive conditional: 123, positive unconditional: 1066, negative: 40, negative conditional: 27, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1204, positive: 1189, positive conditional: 123, positive unconditional: 1066, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1204, positive: 1189, positive conditional: 123, positive unconditional: 1066, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1208, positive: 1189, positive conditional: 2, positive unconditional: 1187, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1208, positive: 1189, positive conditional: 2, positive unconditional: 1187, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1208, positive: 1189, positive conditional: 2, positive unconditional: 1187, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 934, positive: 919, positive conditional: 1, positive unconditional: 918, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 934, positive: 913, positive conditional: 0, positive unconditional: 913, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 54, positive conditional: 3, positive unconditional: 52, negative: 43, negative conditional: 3, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1208, positive: 270, positive conditional: 1, positive unconditional: 269, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 934, unknown conditional: 2, unknown unconditional: 932] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 919, Positive conditional cache size: 1, Positive unconditional cache size: 918, Negative cache size: 15, Negative conditional cache size: 1, Negative unconditional cache size: 14, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 25 - DataRaceFoundResult [Line: 919]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L923] 0 pthread_t id[10]; VAL [id={2:0}, myglobal=0] [L924] 0 int i; VAL [id={2:0}, myglobal=0] [L925] 0 i=0 VAL [i=0, id={2:0}, myglobal=0] [L925] COND TRUE 0 i<10 VAL [i=0, id={2:0}, myglobal=0] [L926] FCALL, FORK 0 pthread_create(&id[i], ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, i=0, id={2:0}, myglobal=0, pthread_create(&id[i], ((void *)0), t_fun, ((void *)0))=-1] [L919] 1 myglobal=42 VAL [arg={0:0}, arg={0:0}, myglobal=42] [L925] 0 i++ VAL [arg={0:0}, arg={0:0}, i=0, i++=0, id={2:0}, myglobal=42] [L919] 1 myglobal=42 VAL [arg={0:0}, arg={0:0}, myglobal=42, myglobal=42=44] [L925] 0 i++ VAL [arg={0:0}, arg={0:0}, i=1, id={2:0}, myglobal=42, myglobal=42=44] [L925] COND TRUE 0 i<10 VAL [arg={0:0}, arg={0:0}, i=1, id={2:0}, myglobal=42, myglobal=42=44] [L926] FCALL, FORK 0 pthread_create(&id[i], ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, i=1, id={2:0}, myglobal=42, myglobal=42=44, pthread_create(&id[i], ((void *)0), t_fun, ((void *)0))=0] [L919] 2 myglobal=42 VAL [arg={0:0}, arg={0:0}, myglobal=42, myglobal=42=44] [L925] 0 i++ VAL [arg={0:0}, arg={0:0}, i=1, i++=1, id={2:0}, myglobal=42, myglobal=42=44] [L919] 2 myglobal=42 VAL [arg={0:0}, arg={0:0}, myglobal=42, myglobal=42=43] [L925] 0 i++ VAL [arg={0:0}, arg={0:0}, i=2, i++=1, id={2:0}, myglobal=42, myglobal=42=43] [L919] 1 myglobal=42 VAL [arg={0:0}, arg={0:0}, myglobal=42, myglobal=42=43] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 2 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1/4 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of2ForFork0 with 1 thread instances CFG has 4 procedures, 74 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: Toolchain returned no result. [2022-10-17 16:10:41,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 16:10:41,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 16:10:42,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-10-17 16:10:42,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_389a7993-98c3-4bc1-a202-19d4f6a01c0c/bin/ugemcutter-Zs13ybUbV0/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